1000503277 Catalog

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Safety Grating

GSSG-13R

GRIP STRUT™
safety grating

Table of Contents & Advantages
Advantages

....................................................

Proof Of Performance

......................................

General Load Information

.............................

2

Safer, serrated surface
Grips soles securely in all directions. The non-slip GRIP STRUT
surface is ideal for inside or outside locations where mud, ice,
snow, oil and detergents can create hazardous walking
conditions. Openings are small enough to catch most falling
tools and other dangerous objects.

3

4-5

Design Load Tables (Steel, Aluminum, Stainless Steel)

Open design, convenient cleaning
Permits quick drainage of fluids, chips, grease and mud. Any
ice accumulation shears easily under normal foot pressure.
Open design allows convenient access for cleaning, and is
easily cleaned with brush, liquid or air spray to help minimize
overall maintenance.

2-Diamond Planks - 43/4” Width . . . . . . . . . . . . . . . . . . 6-7
3-Diamond Planks - 7” Width . . . . . . . . . . . . . . . . . . . . . 8-9
4-Diamond Planks - 91/2” Width . . . . . . . . . . . . . . . 10-11
5-Diamond Planks - 113/4” Width . . . . . . . . . . . . . 12-13
8-Diamond Planks - 183/4” Width . . . . . . . . . . . . . 14-15
10-Diamond Planks - 24” Width . . . . . . . . . . . . . . . . . . . 16
10-Diamond Walkway - 24” Width . . . . . . . . . . . . . . . 17
Comparative Performance Tables . . . . . . . . . . . . 18-19
Accessories

.............................................

Stair Treads

20-23

.................

24-25

.............................................

26-27

Specials & Fabricated Products
Specifications
How To Order

..........................................

Fast Installation
Light, easy-to-handle planks make installation simpler and
quicker. They can be handled by one man. Most sections are
rapidly bolted, clamped or welded into place, easily field-cut at
virtually any angle, or fabricated to adapt to field conditions.
Several attachment devices permit fastening to most existing
surfaces; allow fast installation or disassembly.

28-29

...............................................

Installation Recommendations

High load capacity, long life
High strength-to-weight performance is achieved through
depth of section and structural design. Bridged struts with
integral side channels form a plank that can support loads with
minimum transverse and longitudinal deflection. There are no
rivets or pressure joints to break or loosen. This sturdy
construction provides the advantages of heavy load-carrying
capacity with minimal deflection; rugged durability with
longer-lasting performance.

.......................

30
31

Economical to install, use
In addition to low material cost and nominal erection cost,
GRIP STRUT™ safety grating also helps save with its longlasting, rust-resisting materials and finishes. Standard millgalvanized finish resists corrosion to provide lasting surfaces.
High-strength aluminum and Types 304 and 316L stainless steel
are available to provide maximum corrosion resistance. Black
unpainted steel available for installations requiring hot dipped
galvanized finish after fabrication. These light weight but
brawny panels permit substantial reduction in structural steel
requirements. Open design is self-cleaning and virtually
maintenance free.

Close-up of standard pattern

Versatile in application
A variety of standard widths and channel heights combine
with numerous non-standard shapes and sizes to meet almost
any requirement of strength, size, durability, weight, finish,
appearance and application. GRIP STRUT safety grating
combines safety and durability with ease of fabrication and
versatility. One piece construction with no welds or rivets to
fail, minimizes need for plant fabrication. Special shapes and
forming can be accomplished to suit unusual requirements.

Standard serrated surface

2

Non-serrated surface also available

GRIP STRUT

Performance

Tested by an independent laboratory for slip resistance
according to standards and methods established by Federal
Specifications RR-G-1602D, GRIP STRUT™ safety grating
exceeds all requirements of this specification.
• The standards where exacting - five shoe sole materials
tested in three directions under five conditions: dry, greasy,
muddy, soapy and icy. GRIP STRUT safety grating tested
more slip-resistant than similar materials, depending
on shoe materials and surface conditions.
In survey after survey, accidents caused by falls are high on
the list of disabling and lost-time injuries and death. In fact,
statistics from many states rate this type of accident second as
the cause for industry’s loss of manhours and lower productivity.
As proved in the test described above, GRIP STRUT safety
grating substantially reduces this kind of accident. In addition,
the hazard of falling objects is minimized by the shape and size
(17/8” x 11/16”) of the surface openings.

Test Performance – Slip Resistance vs. Federal Specifications

120
110
100
90
80
70
60

A B C D E A B C D E A B C D E A B C D E A B C D E
Dry

Mud

Grease

Soap

Ice

50

Po u n d s o f Fo r c e

130

A Federal Specification
for Steel
B 12 Gauge (2.6mm)
Steel Grip Strut
Grating
C 14 Gauge (1.9mm)
Steel Grip Strut
Grating
D Federal Specification
for Aluminum
E .080 (2.0mm)
Aluminum Grip Strut
Grating

Values determined in accordance with standards for slip-resistance established by Federal Specification RR-G-1602D. The values
indicated are an average of values obtained for five sole materials (leather, boot rubber, shoe rubber, Neolite®† and Hypalon®†) tested
in three directions (longitudinally, transversely and diagonally) for the surface conditions noted. Values are in pounds of force
necessary to move a 175 pound load one inch across the surface of grating.
† Mark shown is the property of its respective owner.

GRIP STRUT

3

General Load Information
How To Read Load Tables
To select size of GRIP STRUT™ safety grating, determine
load, clear span and deflection requirements. Having this
information, select from load tables the appropriate plank to
meet job requirements.

the plank deflect relative to support points. To verify the
performance of the side channels, samples were loaded with
concentrated and uniform loads at different spans (see Figures
1b/2b and 1c/2c). To approximate the most severe condition,
there were no attachments between the channels and the
supports. In cases where spans are shorter, channels deeper
and planks wider, strut flexure becomes more critical.

Example: Clear span of 4’-0”, concentrated load requirement of
300 lbs. at 0.25” maximum deflection.
Select from the tables following:
For 8-diamond, 183/4” wide, 21/2” channel, 12 gauge steel which
carries a load of 416 lbs. at a 0.18” deflection. This is one size to
do the job. Other sizes will carry more load if necessary. For
more economical selection, choose the greatest width that will
support the load consistent with job requirements and choose
deeper channels rather than heavier steel gauges.

2-, 3-, 4- and 5-Diamond Allowable Load and
Deflection Tables
Since 2- through 5-Diamond planks are relatively narrow (less
than 1 foot wide), it can be assumed that both side channels
effectively support the concentrated load and that the grating
surface deflection is negligible. Based upon these assumption,
the values in the following Design Tables for 2-Diamond through
5-Diamond have been determined.

GRIP STRUT safety grating will generally carry the same
concentrated load, tabulated in lbs. at midspan, for a given
span, material gauge and channel height, regardless of width.
(See “How load tables were prepared” described below.) The
uniform load tables are tabulated in lbs./sq.ft., which accounts
for the difference in load capacity shown for various widths.
Deflection is in inches.

Allowable Uniform Load (U)
Values indicated in the rows adjacent to “U” are the lowest of
the (1) maximum allowable uniform loads considering channel
flexure and (2) maximum grating surface flexure.
Deflection Corresponding to “U”
Deflection values are indicated below the uniform loads and
are in the mid-span side channel deflections for the planks
carrying the allowable uniform loads (Figure 1c and 2c).

How Load Tables Were Prepared
The values shown in the following tables are based on actual
load tests conducted in accordance with the provisions of the
AISI Specification for the Design of Cold-Formed Steel
Structural Members, 1986 Edition. To help ensure the safety of
the tabulated loads, two aspects of GRIP STRUT safety grating
must be considered.

Allowable Concentrated Load (C)
Values indicated in the rows labeled “C” are the lowest of the
(1) maximum allowable concentrated load considering channel
flexure (Figure 1b and 2b), with both channels effective, and (2)
the maximum allowable strut load (Cs) for a 1 foot long sample
(Figure 1a and 2a).

The first consideration is transverse bending in the grating
surface, which is referred to as “strut flexure”. This occurs
when the grating is loaded with either a uniform load or a
mid-width concentrated load, and the “struts” (grating
surface) deflect relative to the side channels. To determine the
allowable strut loads, samples of each grating material and
thickness were tested for each plank width. (See Figure 1a
below and 2a on the following page). The data resulting from
these tests was used to prepare “strut loading” tables, which
give allowable loads and deflections considering strut flexure
only. These allowable strut loads, along with the results of
additional tests performed on 8- and 10-Diamond grating, have
been incorporated in the Product Selection/Design Tables on
pages 6 through 17.

Deflection Corresponding to “C”
Deflection values indicated below “C” values in the tables are
the mid-span, side channel deflections produced when the
allowable concentrated load is placed at mid-span.
If grating surface deflection should be considered when
selecting a product to meet a particular specification, then the
deflection of the mid-width of the grating, relative to the side
channels, can be calculated using both the data in the Strut
Loading Tables (pages 6 -17) and the Load/Deflection
Conversion formula on top of following page.
Load data based on yield strength of 33,000 psi for steel, 23,000
psi for aluminum, 35,000 psi for Type 304 stainless steel, and
30,000 psi for Type 316L stainless steel.

The second aspect of GRIP STRUT safety grating strength is
channel flexure. This occurs when the channels at mid-span of
Figure 1a - Strut Load

Figure 1b - Concentrated Load

Figure 1c - Uniform Load

Load - C

Load - Cs

D
Cs - Concentrated Strut Load (lb./ft.)

D

Load -U

D

C - Concentrated Load (lb.)

U - Uniform Load (lb./ft. )
2

D = Deflection (in.)

4

GRIP STRUT

General Load Information
Load/Deflection Conversion Formulas
In the elastic range, deflection is proportional
to the applied load for both uniform and
concentrated loads. This relationship can be
used to determine the deflection that any load
which is less than the allowable load will
produce, as shown in Example A. Also, if
desired, the load which will produce a specific
deflection can also be determined if the load is
in the elastic range as illustrated in Example B.

Example A
What deflection will a 300 lb. concentrated load produce on a plank
(catalog number 103012) spanning 5”-0”?
See page 16 for item 103012 at a span = 5’-0” C = 480 lb. D =
D @ 300 lb. = 0.26”/480 lb. x 300 lb. = 0.16”

Example B
If a plank (catalog number 103012) is spanning 6’-0”, what concentrated
load will produce a 1/4” deflection?
See page 16 for item 103012 at a span = 6’-0” C = 400 lb. D = 0.26”
C @ 1/4” = 400 lb./0.26” x 0.25” = 385 lb.

8- and 10-Diamond Allowable Load and Deflection Tables
As width increases, grating strut flexure becomes much more
important. 8-Diamond and 10-Diamond products are wide
enough to require a change in the assumptions used to prepare
the 2-Diamond through 5-Diamond Product Selection/Design
Tables. No longer will it be assumed that both side channels are
equally effective in supporting a concentrated load. In fact, to
provide a high level of safety, one side channel will be required
to carry 100% of a concentrated load.

The following values have been tabulated for 8-Diamond and
10-Diamond grating:
Allowable Uniform Load (U)
Values are given in the rows labeled “U” and are the lowest of
the (1) maximum allowable uniform loads considering channel
flexure, and (2) maximum grating surface flexure.
Deflection Corresponding to “U”
Deflection values appear in the rows labeled “D”, below the
“U” values, and are maximum deflections the allowable uniform
loads would produce. Maximum deflections will occur at
mid-span and mid-width and will be the sum of side channel
and grating surface deflections (Figure 1c and 2c).

Also strut deflection for 8-Diamond and 10-Diamond products
may be significant. The most critical case occurs when a
concentrated load is located at mid-span and mid-width. To
determine how the struts perform under this loading, 3 foot
long samples of each material and thickness were tested. For
these tests the side channels were continuously supported
and loads were applied using a 1 foot long and 1 inch wide bar
placed parallel to the side channels at mid-width and at the
longitudinal center.

Allowable Concentrated Load (C)
Values tabulated in the rows labeled “C” are the lowest of the
(1) maximum allowable concentrated load considering side
channel flexure (with one side channel supporting the entire
load — Figure 2b, and (2) the maximum allowable strut flexure
(Figure 2a).

Results of these tests, included in the 8-Diamond and
10-Diamond Product Design Tables, proved the performance
of these materials when a concentrated load is applied at
mid-span and mid-width. If a concentrated load is to be applied
at mid-width at the end of a plank, consult the Strut Loading
Tables (pages 6-17).

Figure 2a - Strut Load

Deflection Corresponding to “C”
Deflection values are indicated below “C” values in the table
and are deflections the allowable concentrated load will produce at mid-span and at the mid-width. The deflection is the
sum of side channel and grating surface deflections

Figure 2b - Concentrated Load

Figure 2c - Uniform Load

Load - C
Load - Cs

Load -U

D
D

D
D = Deflection (in.)
GRIP STRUT

5

Safe Loading Tables
2-Diamond Plank — 43/4” Width
4 3/4”

11/8” 9

9

11

/16”

/16”
11

1 7/8”

/32”

1 7/8”
7

9

/16”

Depth

5

5
7

/16 ”

/8”

/32”

/16”

90°

/8”

Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Steel
14 ga.

Steel
12 ga.

Channel Weight
Depth lb./lin.
in.
ft.
Catalog
(mm)
(kg/m) Number
11/2”

2.3

(38.1)

(3.42)

2”

2.6

(50.8)

(3.87)

21/2”

2.8

(63.5)

(4.17)

11/2”

3.2

(38.1)

(4.76)

2”

3.6

(50.8)

(5.36)

21/2”

4.0

(63.5)

(5.95)

Span
2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

21514

U
D
C
D

1324
.06
524
.05

849
.10
420
.08

591
.14
351
.11

435
.20
301
.16

334
.26
265
.20

265
.32
236
.26

215
.40
213
.32

179
.49
195
.39

151
.58
179
.47

6’-6”

7’-0’

7’-6”

8’-0’

9’-0’

10’-0’ 11’-0” 12’-0”

22014

U
D
C
D

2198
.06
870
.04

1409
.09
697
.07

980
.13
582
.10

721
.17
499
.14

553
.23
438
.18

438
.29.
390
.23

356
.35
352
.28

295
.43
321
.34

248
.51
295
.41

212
.60
273
.48

184
.70
255
.56

161
.81
239
.65

142
.92
225
.74

113
1.18
201
.94

93
1.47
183
.1.18

22514

U
D
C
D

2522
.04
998
.03

1616
.06
800
.04

1124
.08
667
.06

827
.11
573
.09

634
.14
502
.11

502
.18
447
.15

408
.23
404
.18

338
.27
368
.22

285
.33
338
.26

244
.38
313
.31

211
.45
292
.36

184
.51
273
.41

163
.59
257
.47

139
.75
231
.60

106
.94
210
.75

88
1.14
193
.92

75
1.38
178
1.10

21512

U
D
C
D

1751
.07
693
.05

1123
.11
556
.08

782
.15
464
.12

576
.21
399
.17

443
.27
350
.22

351
.35
313
.28

286
.43
283
.34

237
.52
258
.42

200
.62
238
.50

172
.74
221
.59

149
.86
206
.69

131
.99
194
.79

116
1.14
183
.91

22012

U
D
C
D

2792
.05
1105
.04

1790
.08
886
.06

1245
.11
739
.09

917
.16
635
.12

703
.20
557
.16

557
.26
496
.21

453
.32
448
.26

375
.39
409
.31

317
.46
376
.37

271
.55
348
.44

235
.63
325
.51

205
.73
305
.59

181
.84
287
.67

145
1.07
258
.86

119
1.34
235
1.07

99
1.64
216
1.31

85
1.98
201
1.58

22512

U
D
C
D

4179 2676 1860
.04
.06
.09
1654 1324 1104
.03
.05
.07

1368
.13
948
.10

1049
.17
830
.13

830
.21
739
.17

673
.26
666
.21

557
.32
606
.25

469
.38
557
.30

400
.44
515
.35

346
.51
479
.41

302
.59
448
.47

266
.67
421
.54

211
.86
376
.69

172
1.07
341
.85

143
1.30
312
1.04

121
1.55
288
1.24

6

GRIP STRUT

Safe Loading Tables
2-Diamond Plank — 43/4” Width

Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Channel Weight
Depth lb./lin.
in.
ft.
Catalog
(mm)
(kg/m) Number

Alum.
Alloy
5052
.080”

Alum.
Alloy
5052
.100”

11/2”*

.85

(38.1)

(1.26)

2”

.92

(50.8)

(1.37)

21/2”*

1.00

(63.5)

(1.48)

11/2”*

1.08

(38.1)

(1.60)

2”

1.20

(50.8)

(1.78)

21/2”*

1.31

(63.5)

(1.95)

Span
2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

6’-6”

7’-0’

7’-6”

8’-0’

21512-A

U
D
C
D

998
.10
395
.08

639
.15
316
.12

443
.22
263
.18

326
.31
226
.25

248
.40
197
.32

196
.51
175
.41

159
.63
157
.50

131
.76
143
.61

110
.90
131
.73

94
1.08
121
.85

22012-A

U
D
C
D

1463
.08
579
.06

937
.13
463
.10

650
.18
386
.15

478
.25
331
.20

366
.33
290
.27

289
.42
257
.34

234
.52
232
.42

194
.63
211
.51

162
.74
192
.59

138
.87
177
.69

119
1.02
165
.80

22512-A

U
D
C
D

2199
.07
870
.05

1407
.10
696
.08

977
.15
580
.12

718
.21
497
.17

550
.28
435
.22

434
.35
387
.28

352
.43
348
.35

291
.53
316
.42

244
.63
290
.50

208
.74
268
.59

179
.85
249
.68

156
.98
232
.78

137
1.12
218
.89

21510-A

U
D
C
D

1136
.09
450
.07

727
.15
360
.12

505
.22
300
.17

371
.30
257
.24

284
.39
225
.31

224
.50
200
.40

181
.63
179
.51

149
.76
162
.61

125
.90
149
.73

107
1.08
137
.85

22010-A

U
D
C
D

2049
.09
811
.07

1312
.14
649
.11

911
.20
541
.16

669
.28
464
.22

512
.37
406
.29

405
.46
361
.37

328
.58
325
.46

271
.70
295
.56

228
.83
270
.66

194
.98
250
.78

167
1.13
232
.90

146
1.30
216
1.04

128
1.48
203
1.18

22510-A

U
D
C
D

2820
.07
1116
.05

1805
.11
893
.09

1253
.16
744
.12

921
.22
638
.17

705
.28
558
.23

557
.36
496
.29

451
.45
446
.36

373
.54
406
.43

313
.64
372
.51

267
.76
343
.60

230
.88
319
.70

201
1.01
298
.81

176
1.15
279
.92

8’-6’

9’-0’

9’-6” 10’-0”

* Available on special order.

Engineering Data

Strut Loading

For Both Channels

Channel
Depth
in.

Sx
in.

Ix
in.

EI
lb. x in.

Steel
14 ga.

11/2”
2”
21/2

.174
.270
.307

.102
.193
.335

2.96 x 106
5.60 x 106
9.71 x 106

Steel
12 ga.

11/2”
2”
21/2

.216
.342
.504

.125
.264
.488

3.62 x 106
7.66 x 106
14.09 x 106

Aluminum
.080”

11/2”
2”
21/2

.171
.251
.379

.137
.246
.441

1.40 x 106
2.51 x 106
4.50 x 106

Aluminum
.100”

11/2”
2”
21/2”

.196
.352
.456

.156
.309
.544

1.59 x 106
3.15 x 106
5.55 x 106

Material
Gauge

GRIP STRUT

3

4

Material
Gauge

Type
Loading**

Load

Deflection
in.

Steel
14 ga.

U
Cs

6268
1240

.10
.08

Steel
12 ga.

U
Cs

8619
1705

.10
.08

Aluminum
.080”

U
Cs

4677
925

.12
.10

Aluminum
.100”

U
Cs

5847
1157

.12
.10

2

** U = Allowable Uniform Load (lb./ft. )
Cs = Allowable Concentrated Load per ft. of length at
mid-width (lb./ft.)
2

7

Safe Loading Tables
3-Diamond Plank — 7” Width
7”

11/8”9

1

11

/16”

/16”
11

/16”

17/8”

/4”

17/8”
7

17/8”
7

/16”

1

/16”
5

Depth

5
7
7

/4”

/8”

/16”

90°
Relief hole available upon request
on 3, 4, & 5-diamond planks

/8”

/16”

Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Steel
14 ga.

Channel Weight
Depth lb./lin.
in.
ft.
Catalog
(mm)
(kg/m) Number
11/2”

3.0

(38.1)

(4.46)

2”

3.2

(50.8)

(4.76)

21/2”

3.5

(63.5)

(5.21)

11/2”

4.1

(38.1)

(6.10)

2”

4.5

(50.8)

(6.70)

21/2”

4.9

(63.5)

(7.29)

3”

5.2

(76.2)

(7.74)

Span
2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

6’-6”

7’-0’

7’-6”

8’-0’

9’-0’

10’-0’ 11’-0” 12’-0”

31514

U
D
C
D

899
.06
524
.05

577
.10
421
.08

402
.14
351
.11

269
.20
302
.16

227
.26
265
.21

180
.33
237
.26

147
.40
214
.32

122
.49
196
.39

103
.59
180
.47

32014

U
D
C
D

1492
.06
871
.04

957
.09
697
.07

665
.13
582
.10

490
.17
500
.14

376
.23
439
.18

298
.29
391
.23

242
.35
353
.28

201
.43
322
.34

169
.51
296
.41

145
.61
275
.48

125
.71
256
.56

110
.81
240
.65

97
.93
226
.74

77
1.19
203
.95

63
1.49
185
1.19

32514

U
D
C
D

1712 1097
.04
.06
999 800
.03
.04

763
.08
668
.06

562
.11
574
.09

431
.14
503
.11

342
.18
448
.15

277
.23
405
.18

230
.27
369
.22

194
.33
340
.26

166
.39
315
.31

144
.45
293
.36

126
.52
275
.41

111
.59
259
.47

89
.76
233
.61

73
.94
212
.76

61
1.16
195
.93

52
1.40
181
1.12

31512

U
D
C
D

1189
.07
694
.05

763
.11
556
.08

532
.15
465
.12

392
.21
400
.17

301
.27
352
.22

239
.35
314
.28

195
.43
284
.34

162
.52
260
.42

137
.63
240
.50

118
.74
223
.59

102
.87
208
.69

90
1.00
196
.80

79
1.15
185
.92

32012

U
D
C
D

1896 1216
.05
.08
1106 886
.04
.06

846
.11
740
.09

623
.16
636
.12

478
.20
558
.16

379
.26
498
.21

308
.32
450
.26

256
.39
410
.31

216
.47
378
.37

185
.55
350
.44

160
.64
327
.51

140
.74
307
.59

124
.85
289
.68

99
1.08
260
.87

82
1.36
238
1.09

68
1.67
219
1.33

58
2.01
203
1.61

32512

U
D
C
D

2836 1817 1263
.04
.06
.09
1654 1325 1105
.03
.05
.07

929
.13
948
.10

712
.17
831
.13

564
.21
740
.17

457
.26
667
.21

379
.32
608
.25

319
.38
558
.30

272
.44
516
.35

235
.52
481
.41

206
.59
450
.47

181
.68
423
.54

144
.86
378
.69

118
1.07
343
.86

98
1.31
314
1.05

83
1.57
290
1.25

33012

U
D
C
D

3587 2298 1597 1174 900
.04
.06
.09
.13
.17
1868 1675 1397 1199 1050
.03
.04
.06
.09
.11

712
.21
935
.14

578
.26
843
.18

478
.32
767
.22

403
.38
705
.26

344
.44
652
.30

297
.51
606
.35

259
.59
567
.41

228
.67
533
.46

181
.86
476
.59

148
1.07
431
.73

123
1.30
395
.89

104
1.55
364
1.07

Steel
12 ga.

8

GRIP STRUT

Safe Loading Tables
3-Diamond Plank — 7” Width
Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Channel Weight
Depth lb./lin.
in.
ft.
Catalog
(mm)
(kg/m) Number

Alum.
Alloy
5052
.080”

Alum.
Alloy
5052
.100”

11/2”*

1.06

(38.1)

(1.58)

2”

1.15

(50.8)

(1.71)

21/2”*

1.24

(63.5)

(1.85)

3”*

1.33

(76.2)

(1.98)

11/2”*

1.34

(38.1)

(1.99)

2”

1.46

(50.8)

(2.38)

21/2”*

1.57

(63.5)

(2.34)

3”*

1.68

(76.2)

(2.50)

31512-A

32012-A

32512-A

33012-A

31510-A

32010-A

32510-A

33010-A

Span
2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

6’-6”

7’-0’

7’-6”

8’-0’

U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D

667
.10
395
.08
993
.08
579
.06
1492
.07
812
.05
1833
.06
846
.03

443
.15
316
.12
636
.13
463
.10
955
.10
696
.08
1173
.09
846
.07

301
.22
263
.18
441
.18
386
.15
663
.15
580
.12
815
.14
713
.11

221
.31
226
.25
324
.25
331
.20
487
.21
497
.17
598
.19
611
.15

168
.40
197
.32
248
.33
290
.27
373
.28
435
.22
458
.25
535
.20

133
.51
175
.41
196
.42
257
.34
295
.35
387
.28
362
.31
475
.25

108
.63
157
.50
159
.52
232
.42
239
.43
348
.35
293
.39
428
.31

131
.63
211
.51
197
.53
316
.42
242
.47
389
.38

110
.74
192
.59
166
.63
290
.50
204
.56
356
.45

93
.86
177
.69
141
.74
268
.59
174
.66
329
.53

80
1.00
165
.80
122
.85
249
.68
150
.77
305
.61

106
.98
232
.78
130
.88
285
.70

93
1.12
218
.89
115
1.00
267
.80

U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D

771 494
.09
.15
450 360
.07
.12
1391 890
.09
.14
811 649
.07
.11
1913 1225
.07
.11
1116 893
.05
.09
2470 1581
.05
.08
1309 1153
.04
.06

343
.22
300
.17
618
.20
541
.16
850
.16
744
.12
1098
.12
961
.10

252
.30
257
.24
454
.28
464
.22
625
.22
638
.17
807
.17
823
.13

193
.39
225
.31
348
.37
406
.29
478
.28
558
.23
618
.22
720
.17

152
.50
200
.40
275
.46
361
.37
378
.36
496
.29
488
.28
640
.22

122
.63
179
.51
223
.58
325
.46
306
.45
446
.36
395
.34
576
.27

101
.76
162
.61
184
.70
295
.56
253
.54
406
.43
327
.42
524
.33

155
.83
270
.66
213
.64
372
.51
274
.50
480
.40

132
.98
250
.78
181
.76
343
.60
234
.59
443
.47

114
1.13
232
.90
156
.88
319
.70
202
.68
412
.54

99
1.30
216
1.04
136
1.01
298
.81
176
.78
384
.62

87
1.48
203
1.18
120
1.15
279
.92
154
.89
360
.71

8’-6’

9’-0’

9’-6” 10’-0”

* Available on special order.

Engineering Data
Material
Gauge
Steel
14 ga.
Steel
12 ga.

Aluminum
.080”

Aluminum
.100”

GRIP STRUT

Strut Loading

For Both Channels

Channel
Depth
in.

Sx
in.

Ix
in.

EI
lb. x in.

11/2”
2”
21/2”

.174
.270
.307

.102
.193
.335

2.96 x 106
5.60 x 106
9.71 x 106

11/2”
2”
21/2”
3”
11/2”
2”
21/2”
3”

.216
.342
.504
.625
.171
.251
.379
.464

.125
.264
.488
.722
.137
.246
.441
.602

3.62 x 106
7.66 x 106
14.09 x 106
20.94 x 10 6
1.40 x 106
2.51 x 106
4.50 x 106
6.14 x 106

11/2”
2”
21/2”
3”

.196
.352
.456
.627

.156
.309
.544
.911

1.59 x 106
3.15 x 106
5.55 x 106
9.29 x 106

3

4

Material
Gauge

Type
Loading**

Load

Deflection
in.

Steel
14 ga.

U
Cs

3535
1031

.11
.09

Steel
12 ga.

U
Cs

6405
1868

.11
.09

Aluminum
.080”

U
Cs

2901
846

.15
.12

Aluminum
.100”

U
Cs

4488
1309

.16
.13

2

6

** U = Allowable Uniform Load (lb./ft. )
Cs = Allowable Concentrated Load per ft. of length at
mid-width (lb./ft.)
2

9

Safe Loading Tables
4-Diamond Plank — 91/2” Width (available in stainless steel)
91/2”

11/8”9

11

11

/16”

11

/16”

17/8”

/32”

/16”

17/8”
7

17/8”
7

/16”

17/8”
7

/16”

11

/32”

/16”
5

Depth

5

/16”

90°

/8”

Relief hole available upon request
on 3, 4, & 5-diamond planks

Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Channel Weight
Depth lb./lin.
in.
ft.
(mm)

Steel
14 ga.

Steel
12 ga.

Stainless
Steel
304
16 ga.
Stainless
Steel
316L
16 ga.

(kg/m)

11/2”

3.6

(38.1)

(5.36)

2”

3.8

(50.8)

(5.65)

21/2”

4.1

(63.5)

(6.10)

11/2”

5.0

(38.1)

(7.44)

2”

5.4

(50.8)

(8.04)

21/2”

5.7

(63.5)

(8.48)

3”

6.1

(76.2)

(9.08)

2”

3.2

(50.8)

(4.76)

2”

3.2

(50.8)

(4.76)

Span
Catalog
Number

2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

41514

U
D
C
D

663
.06
525
.05

426
.10
421
.08

296
.14
352
.11

219
.20
303
.16

168
.26
266
.21

134
.33
238
.26

109
.41
215
.33

90
.50
197
.40

77
.59
182
.47

6’-6”

7’-0’

7’-6”

8’-0’

9’-0’

10’-0’ 11’-0” 12’-0”

42014

U
D
C
D

1100
.06
730
.04

705
.09
698
.07

491
.13
583
.10

362
.17
501
.14

278
.23
440
.18

220
.29
392
.23

179
.36
354
.28

148
.43
323
.35

125
.52
298
.41

107
.61
276
.49

93
.71
258
.57

81
.82
242
.66

72
.94
228
.75

58
1.20
205
.96

47
1.51
187
1.20

42514

U
D
C
D

1262
.04
730
.02

809
.06
730
.04

563
.08
669
.06

415
.11
574
.09

318
.14
504
.12

252
.18
449
.15

205
.23
406
.18

170
.28
370
.22

144
.33
341
.26

123
.39
316
.31

106
.45
295
.36

93
.52
277
.42

82
.60
261
.48

66
.76
235
.61

54
.95
214
.76

45
1.17
197
.94

41512

U
D
C
D

906
.07
718
.06

581
.11
575
.09

405
.16
481
.13

298
.21
413
.17

229
.28
363
.23

182
.36
324
.29

148
.44
292
.35

123
.54
267
.43

104
.64
246
.52

89
.76
228
.61

77
.89
213
.71

67
1.02
200
.82

60
1.17
189
.94

42012

U
D
C
D

1398
.05
1107
.04

896
.08
887
.06

624
.11
741
.09

460
.16
637
.12

353
.20
559
.16

280
.26
499
.21

228
.32
451
.26

189
.39
412
.31

160
.47
380
.37

137
.55
353
.44

119
.65
329
.52

104
.75
309
.60

92
.85
292
.68

74
1.10
264
.88

61
1.38
241
1.10

51
1.69
222
1.35

43
2.03
206
1.63

42512

U
D
C
D

2090 1339 931
.04
.06
.09
1400 1325 1106
.03
.05
.07

685
.13
949
.10

525
.17
832
.13

416
.21
741
.17

338
.26
668
.21

280
.32
609
.25

236
.38
559
.30

201
.44
518
.36

174
.52
482
.41

152
.60
452
.48

134
.68
425
.54

107
.87
380
.69

87
1.08
345
.86

73
1.32
316
1.05

62
1.58
293
1.27

43012

U
D
C
D

2644 1694 1177 866
.04
.06
.08
.11
1400 1400 1398 1200
.02
.04
.06
.09

664
.14
1051
.11

525
.18
936
.15

426
.22
844
.18

353
.27
769
.22

297
.32
706
.26

254
.38
653
.31

219
.44
608
.35

192
.51
569
.41

169
.58
535
.47

134
.74
478
.59

110
.92
434
.74

91
1.12
397
.90

77
1.35
367
1.08

42016-S

U
D
C
D

720
.05
570
.04

462
.08
457
.06

322
.11
382
.09

238
.16
329
.12

183
.20
289
.16

145
.26
258
.21

118
.32
234
.26

98
.39
214
.31

83
.47
197
.38

71
.55
184
.44

59
.61
165
.49

42016-SL

U
D
C
D

626
.04
492
.03

400
.06
397
.05

278
.10
330
.08

204
.13
283
.10

156
.17
248
.14

123
.22
220
.17

100
.27
198
.22

82
.32
180
.26

69
.39
165
.31

59
.45
152
.36

51
.53
141
.42

10

GRIP STRUT

Safe Loading Tables
4-Diamond Plank — 91/2” Width (available in stainless steel)
Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Alum.
Alloy
5052
.080”

Alum.
Alloy
5052
.100”

Channel Weight
Depth lb./lin.
in.
ft.
Catalog
(mm)
(kg/m) Number
11/2”*

1.28

(38.1)

(1.90)

2”

1.37

(50.8)

(2.03)

21/2”*

1.46

(63.5)

(2.17)

3”*

1.55

(76.2)

(2.30)

11/2”*

1.62

(38.1)

(2.41)

2”

1.74

(50.8)

(2.58)

21/2”*

1.85

(63.5)

(2.75)

3”*

1.97

(76.2)

(2.93)

Span

41512-A

42012-A

42512-A

43012-A

41510-A

42010-A

42510-A

43010-A

2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

6’-6”

7’-0’

7’-6”

8’-0’

U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D

499
.10
395
.08
732
.08
568
.06
1099
.07
568
.05
1350
.06
568
.02

319
.15
316
.12
468
.13
463
.10
704
.10
568
.07
864
.09
568
.05

222
.22
263
.18
325
.18
386
.15
489
.15
568
.12
600
.14
568
.09

163
.31
226
.25
239
.25
331
.20
359
.21
497
.17
441
.19
568
.14

124
.40
197
.32
183
.33
290
.27
275
.28
435
.22
338
.25
535
.20

98
.51
175
.41
145
.42
257
.34
217
.35
387
.28
267
.31
475
.25

117
.52
232
.42
176
.43
348
.35
216
.39
428
.31

97
.63
211
.51
145
.53
316
.42
179
.47
389
.38

81
.74
192
.59
122
.63
290
.50
150
.56
356
.45

69
.87
177
.69
104
.74
268
.59
128
.66
329
.53

90
.85
249
.68
110
.77
305
.61

78
.98
232
.78
96
.88
285
.70

69
1.12
218
.89
84
1.00
267
.80

U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D

568
.09
450
.07
1025
.09
811
.07
1410
.07
886
.05
1820
.05
886
.02

364
.15
360
.12
656
.14
649
.11
902
.11
886
.09
1165
.08
886
.05

253
.22
300
.17
455
.20
541
.16
627
.16
744
.12
809
.12
886
.09

186
.30
257
.24
335
.28
464
.22
460
.22
638
.17
594
.17
823
.13

142
.39
225
.31
256
.37
406
.29
352
.28
558
.23
455
.22
720
.17

112
.50
200
.40
202
.46
361
.37
278
.36
496
.29
360
.28
640
.22

164
.58
325
.46
226
.44
446
.36
291
.34
576
.27

136
.70
295
.56
186
.54
406
.43
241
.42
524
.33

114
.83
270
.66
157
.64
372
.51
202
.50
480
.40

97
.98
250
.78
133
.76
343
.60
172
.59
443
.47

84
1.13
232
.90
115
.88
319
.70
149
.68
412
.54

73
1.30
216
1.04
100
1.01
298
.81
129
.78
384
.62

64
1.48
203
1.18
88
1.15
279
.92
114
.89
360
.71

9’-0’

10’-0’ 11’-0” 12’-0”

* Available on special order.

Engineering Data

Strut Loading

For Both Channels

Material
Gauge

Channel
Depth - in.

Sx
in.

Ix
in.

EI
lb. x in.

Material
Gauge

Type
Loading**

Load

Deflection
in.

Steel
14 ga.

11/2”
2”
21/2”

.174
.270
.307

.102
.193
.335

2.96 x 106
5.60 x 106
9.71 x 106

Steel
14 ga.

U
Cs

1844
730

.15
.11

Steel
12 ga.

11/2”
2”
21/2”
3”

.216
.342
.504
.625

.125
.264
.488
.722

3.62 x 106
7.66 x 106
14.09 x 106
20.94 x 106

Steel
12 ga.

U
Cs

3537
1400

.14
.11

U
Cs

1435
568

.19
.15

Aluminum
.080”

11/2”
2”
21/2”
3”

Aluminum
.080”

.171
.251
.379
.464

.137
.246
.441
.602

1.40 x 106
2.51 x 106
4.50 x 106
6.14 x 106

Aluminum
.100”

U
Cs

2238
886

.23
.15

.196
.352
.486
.627

.156
.309
.544
.911

1.59 x 106
3.15 x 106
5.55 x 106
9.29 x 106

Stainless 304
16 ga.

U
Cs

1450
574

.29
.19

Aluminum
.100”

11/2”
2”
21/2”
3”

Stainless 316L
16 ga.

U
Cs

1243
492

.20
.16

2”

.165

.1425

4.13 x 106

2”

.165

.1425

4.13 x 106

Stainless 304
16 ga.
Stainless 316L
16 ga.

GRIP STRUT

3

4

2

** U = Allowable Uniform Load (lb./ft. )
Cs = Allowable Concentrated Load per ft. of length at
mid-width (lb./ft.)
2

11

Safe Loading Tables
5-Diamond Plank — 113/4” Width (available in stainless steel)
113/4”

11/8” 9

5

11

/16”

11

17/8”

/16”

/16”

17/8”
7

17/8”
7

/16”

17/8”
7

/16”

17/8”
7

/16”

5

5
7

/16”

/16”
5

Depth

/16”

/16”

90°

/8”

Relief hole available upon request
on 3, 4, & 5-diamond planks

/8”

Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Channel Weight
Depth lb./lin.
in.
ft.
(mm)

Steel
14 ga.

Steel
12 ga.

Stainless
304
16 ga.
Stainless
316L
16 ga.

(kg/m)

11/2”

4.2

(38.1)

(6.25)

2”

4.4

(50.8)

(6.55)

21/2”

4.7

(63.5)

(6.99)

11/2”

5.9

(38.1)

(8.78)

2”

6.2

(50.8)

(9.23)

21/2”

6.6

(63.5)

(9.82)

3”

7.0

(76.2)

(10.40)

2”

3.7

(50.8)

(5.51)

2”

3.7

(50.8)

(5.51)

Span
Catalog
Number

2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

51514

U
D
C
D

536
.06
525
.05

344
.10
422
.08

240
.14
353
.12

177
.20
304
.16

136
.26
267
.21

108
.33
239
.26

88
.41
216
.33

74
.50
198
.40

62
.60
183
.48

6’-6”

7’-0’

7’-6”

8’-0’

9’-0’

52014

U
D
C
D

890
.06
707
.04

571
.09
699
.07

397
.13
584
.10

293
.17
502
.14

225
.23
440
.18

178
.29
393
.23

145
.36
355
.29

120
.43
324
.35

52514

U
D
C
D

1021
.04
707
.02

655
.06
707
.04

456
.08
669
.06

336
.11
575
.09

258
.14
505
.12

204
.18
450
.15

166
.23
407
.18

51512

U
D
C
D

710
.07
695
.05

456
.11
558
.08

318
.15
467
.12

235
.21
402
.17

181
.27
354
.22

144
.35
317
.28

52012

U
D
C
D

1131
.05
1107
.04

725
.08
888
.06

505
.11
742
.09

372
.16
638
.12

286
.20
561
.16

52512

U
D
C
D

1691 1083 753
.04
.06
.09
1115 1115 1106
.02
.04
.07

554
.13
950
.10

53012

U
D
C
D

2138 1370 952
.04
.06
.08
1115 1115 1115
.02
.03
.05

52016-S

U
D
C
D

583
.05
464
.03

374
.08
458
.06

52016-SL

U
D
C
D

406
.04
398
.03

324
.06
397
.05

102
.52
299
.42

87
.61
277
.49

76
.71
259
.57

66
.83
243
.66

59
.95
230
.76

47
1.21
207
.97

138
.28
371
.22

116
.33
342
.26

100
.39
317
.31

86
.45
296
.36

76
.52
278
.42

67
.60
262
.48

54
.77
236
.62

44
.96
216
.77

117
.44
287
.35

98
.53
263
.43

83
.64
244
.51

71
.76
227
.60

62
.89
213
.71

55
1.03
201
.82

49
1.18
190
.95

227
.26
501
.21

185
.32
453
.26

154
.39
414
.31

130
.47
382
.38

111
.56
355
.44

97
.65
332
.52

85
.75
312
.60

75
.86
295
.69

60
1.11
266
.89

50
1.39
243
1.11

42
1.70
224
1.36

425
.17
833
.13

337
.21
742
.17

273
.26
669
.21

226
.32
610
.25

151
.38
561
.30

141
.45
519
.36

123
.52
484
.41

109
.60
453
.48

87
.68
426
.55

71
.87
382
.70

59
1.09
347
.87

59
1.33
319
1.06

50
1.60
295
1.28

701
.11
1115
.08

537
.14
1052
.11

425
.18
937
.15

345
.22
845
.18

286
.27
770
.22

241
.32
707
.26

206
.38
654
.31

178
.44
609
.36

155
.51
570
.41

137
.58
537
.47

109
.74
480
.60

89
.93
436
.74

74
1.13
399
.90

63
1.36
369
1.09

261
.11
323
.09

192
.16
330
.12

148
.20
290
.16

118
.26
259
.21

96
.32
235
.26

80
.39
215
.32

68
.47
199
.38

58
.56
185
.45

48
.48
165
.49

225
.10
330
.08

165
.13
283
.10

126
.17
248
.14

100
.22
220
.17

81
.27
198
.22

66
.32
180
.26

56
.39
165
.31

47
.45
152
.36

12

10’-0’ 11’-0” 12’-0”

GRIP STRUT

Safe Loading Tables
5-Diamond Plank — 113/4” Width (available in stainless steel)
Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Alum.
Alloy
5052
.080”

Alum.
Alloy
5052
.100”

Channel Weight
Depth lb./lin.
in.
ft.
Catalog
(mm)
(kg/m) Number
11/2”*

1.49

(38.1)

(2.22)

2”

1.59

(50.8)

(2.36)

21/2”*

1.67

(63.5)

(2.48)

3”*

1.75

(76.2)

(2.60)

11/2”*

1.88

(38.1)

(2.79)

2”

2.00

(50.8)

(2.98)

21/2”*

2.11

(63.5)

(3.14)

3”*

2.22

(76.2)

(3.30)

Span

51512-A

52012-A

52512-A

53012-A

51510-A

52010-A

52510-A

53010-A

2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

6’-6”

7’-0’

7’-6”

8’-0’

U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D

403
.10
395
.08
592
.08
466
.05
889
.07
466
.02
951
.05
466
.02

255
.15
316
.12
379
.13
466
.10
569
.10
466
.05
699
.09
466
.04

179
.22
263
.18
263
.18
386
.15
395
.15
466
.10
485
.14
466
.07

132
.31
226
.25
193
.25
331
.20
290
.21
466
.16
357
.19
466
.11

100
.40
197
.32
148
.33
290
.27
222
.28
435
.22
273
.25
466
.17

117
.42
257
.34
176
.35
387
.28
216
.31
466
.24

95
.52
232
.42
142
.43
348
.35
175
.39
428
.31

78
.63
211
.51
118
.53
316
.42
144
.47
389
.38

99
.63
290
.50
121
.56
356
.45

84
.74
268
.59
103
.66
329
.53

73
.85
249
.68
89
.77
305
.61

63
.98
232
.78
78
.88
285
.70

68
1.00
267
.80

U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D

459
.09
450
.07
829
.09
714
.06
1140
.07
714
.03
1458
.05
714
.02

294
.15
360
.12
530
.14
649
.11
730
.11
714
.07
942
.08
714
.04

204
.22
300
.17
368
.20
541
.16
507
.16
714
.12
654
.12
714
.07

150
.30
257
.24
271
.28
464
.22
372
.22
638
.17
481
.17
714
.12

115
.39
225
.31
207
.37
406
.29
285
.28
558
.23
368
.22
714
.17

91
.50
200
.40
164
.46
361
.37
225
.36
496
.29
291
.28
640
.22

133
.58
325
.46
182
.45
446
.36
235
.34
576
.27

110
.70
295
.56
151
.54
406
.43
195
.42
524
.33

92
.83
270
.66
127
.64
372
.51
164
.50
280
.40

78
.98
250
.78
105
.76
343
.60
139
.59
443
.47

68
1.13
232
.90
93
.88
319
.70
120
.68
412
.54

59
1.30
216
1.04
81
1.01
298
.81
105
.78
384
.62

71
1.15
279
.92
92
.89
360
.71

9’-0’

10’-0’ 11’-0” 12’-0”

* Available on special order.

Engineering Data

Strut Loading

For Both Channels

Material
Gauge

Channel
Depth - in.

Sx
in.

Ix
in.

EI
lb. x in.

Material
Gauge

Type
Loading**

Load

Deflection
in.

Steel
14 ga.

11/2”
2”
21/2”

.174
.270
.307

.102
.193
.335

2.96 x 106
5.60 x 106
9.71 x 106

Steel
14 ga.

U
Cs

1444
707

.18
.15

Steel
12 ga.

11/2”
2”
21/2”
3”

.216
.342
.504
.625

.125
.264
.488
.722

3.62 x 106
7.66 x 106
14.09 x 106
20.94 x 106

Steel
12 ga.

U
Cs

2277
1115

.15
.12

U
Cs

951
466

.24
.20

Aluminum
.080”

11/2”
2”
21/2”
3”

Aluminum
.080”

.171
.251
.379
.464

.137
.246
.441
.602

1.40 x 106
2.51 x 106
4.50 x 106
6.14 x 106

Aluminum
.100”

U
Cs

1458
714

.27
.22

.196
.352
.486
.627

.156
.309
.544
.911

1.59 x 106
3.15 x 106
5.55 x 106
9.29 x 106

Stainless 304
16 ga.

U
Cs

947
464

.38
.31

Aluminum
.100”

11/2”
2”
21/2”
3”

Stainless 316L
16 ga.

U
Cs

812
398

.31
.25

2”

.165

.1425

4.13 x 106

2”

.165

.1425

4.13 x 106

Stainless 304
16 ga.
Stainless 316L
16 ga.

GRIP STRUT

3

4

2

** U = Allowable Uniform Load (lb./ft. )
Cs = Allowable Concentrated Load per ft. of length at
mid-width (lb./ft.)
2

13

Safe Loading Tables
8-Diamond Plank — 183/4” Width
183/4”

1 1 / 8” 9
11

11

/16”
17/8”

/32”

17/8”
7

17/8”
7

/16”

/16”

17/8”
7

/16”

11

17/8”
7

/16”

17/8”
7

/16”

17/8”
7

/16”

17/8”
7

/16”

11

5
7

/32”

/16”
5

Depth

/16”

/16”

90°

/8”

/8”

Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Steel
14 ga.

Steel
12 ga.

Channel Weight
Depth lb./lin.
in.
ft.
Catalog
(mm)
(kg/m) Number
11/2”

6.1

(38.1)

(9.1)

2”

6.3

(50.8)

(9.4)

21/2”

6.6

(63.5)

(9.8)

11/2”

8.5

(38.1)

(12.6)

2”

8.9

(50.8)

(13.2)

21/2”

9.2

(63.5)

(13.7)

3”

9.6

(76.2)

(14.3)

Span
2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

6’-6”

7’-0’

7’-6”

8’-0’

9’-0’

10’-0’ 11’-0” 12’-0”

81514

U
D
C
D

337
.33
263
.16

217
.27
211
.15

151
.26
178
.15

112
.29
153
.16

86
.33
135
.17

69
.38
121
.19

56
.45
110
.22

47
.55
101
.25

82014

U
D
C
D

540
.48
437
.24

358
.37
349
.21

250
.34
292
.20

184
.32
251
.19

142
.34
220
.20

113
.38
198
.21

92
.43
179
.23

76
.50
164
.26

65
.58
152
.29

55
.66
141
.32

48
.77
132
.36

42
.87
124
.40

82514

U
D
C
D

540
.46
450
.24

411
.39
402
.22

286
.35
335
.20

211
.28
287
.19

162
.27
252
.19

129
.28
225
.19

105
.31
205
.20

87
.35
188
.21

74
.39
173
.23

63
.44
161
.24

56
.50
151
.27

48
.57
142
.29

43
.64
134
.32

81512

U
D
C
D

446
.27
359
.12

287
.22
280
.12

201
.22
235
.12

148
.26
203
.14

115
.32
179
.16

91
.39
161
.19

75
.47
146
.22

63
.56
135
.26

53
.67
125
.30

46
.80
117
.35

40
.92
110
.40

82012

U
D
C
D

710
.31
554
.17

456
.25
444
.15

318
.23
371
.14

235
.25
319
.15

181
.28
282
.16

144
.31
253
.17

117
.37
229
.19

98
.44
210
.22

83
.51
194
.25

71
.60
181
.28

62
.68
169
.32

54
.79
160
.36

48
.90
151
.40

82512

U
D
C
D

810
.33
800
.23

680
.31
663
.20

473
.27
553
.18

348
.26
475
.18

267
.27
416
.18

212
.29
371
.18

172
.32
334
.19

143
.37
307
.21

120
.42
282
.23

103
.49
262
.25

89
.55
244
.28

78
.63
229
.31

69
.72
216
.34

55
.90
194
.41

45
1.12
177
.50

83012

U
D
C
D

810
.32
800
.22

810
.35
800
.23

598
.30
699
.22

440
.27
600
.20

337
.26
526
.20

267
.28
468
.20

217
.31
422
.20

180
.34
385
.21

152
.39
353
.22

130
.43
327
.24

112
.49
307
.26

98
.56
288
.28

87
.62
271
.31

69
.78
243
.37

57
.96
221
.44

14

47
1.17
203
.52

40
1.40
189
.61

GRIP STRUT

Safe Loading Tables
8-Diamond Plank — 183/4” Width
Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Channel Weight
Depth lb./lin.
in.
ft.
Catalog
(mm)
(kg/m) Number

Alum.
Alloy
5052
.080”

Alum.
Alloy
5052
.100”

11/2”*

2.11

(38.1)

(3.13)

2”

2.20

(50.8)

(3.27)

21/2”*

2.29

(63.5)

(3.40)

3”*

2.39

(76.2)

(3.55)

11/2”*

2.68

(38.1)

(3.98)

2”

2.79

(50.8)

(4.15)

21/2”*

2.91

(63.5)

(4.33)

3”*

3.02

(76.2)

(4.50)

81512-A

82012-A

82512-A

83012-A

81510-A

82010-A

82510-A

83010-A

Span
2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

6’-6”

7’-0’

7’-6”

U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D

253
.49
198
.24
308
.54
290
.32
308
.51
350
.37
308
.50
350
.37

162
.40
158
.22
237
.50
232
.28
308
.57
348
.39
308
.54
350
.38

112
.39
132
.22
165
.44
193
.27
248
.54
290
.35
308
.62
350
.41

83
.44
113
.24
121
.44
166
.27
182
.49
249
.33
223
.54
306
.38

93
.47
145
.28
139
.50
218
.33
171
.52
268
.37

73
.53
129
.30
110
.52
194
.34
135
.52
238
.37

59
.61
116
.32
89
.57
174
.35
109
.56
214
.37

49
.71
106
.36
74
.65
158
.37
90
.61
195
.39

62
.73
145
.40
76
.68
178
.40

53
.83
134
.43
65
.76
165
.43

56
.86
153
.46

49
.96
143
.50

U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D

288
.41
225
.18
457
.59
406
.29
457
.55
550
.37
457
.53
550
.37

184
.36
180
.18
332
.51
325
.26
457
.62
447
.32
457
.57
550
.39

128
.36
150
.19
231
.46
271
.25
317
.51
372
.30
410
.58
481
.37

94
.40
129
21
170
.47
232
.26
233
.48
319
.29
301
.51
412
.35

72
.47
113
.23
130
.52
203
.28
179
.48
279
.29
231
.48
360
.34

57
.56
100
.27
103
.57
181
.30
141
.52
248
.30
182
.48
320
.34

83
.67
163
.33
114
.58
223
.32
148
.51
288
.36

69
.78
148
.37
94
.64
203
.35
122
.56
262
.38

58
.89
135
.42
79
.73
186
.38
102
.61
240
.41

49
1.03
125
.47
68
.84
172
.41
87
.69
222
.44

58
.94
160
.46
75
.76
206
.48

51
1.07
149
.52
66
.85
192
.52

8’-0’

9’-0’

10’-0’ 11’-0” 12’-0”

45
1.20
140
.55
58
.95
180
.57

* Available on special order.

Engineering Data

Strut Loading

For Both Channels

Channel
Depth
in.

Sx
in.

Ix
in.

EI
lb. x in.

Steel
14 ga.

11/2”
2”
21/2”

.174
.270
.307

.102
.193
.335

2.96 x 106
5.60 x 106
9.71 x 106

Steel
12 ga.

11/2”
2”
21/2”
3”

.216
.342
.504
.625

.125
.264
.488
.722

3.62 x 106
7.66 x 106
14.09 x 106
20.94 x 106

Aluminum
.080”

11/2”
2”
21/2”
3”

.171
.251
.379
.464

.137
.246
.441
.602

1.40 x 106
2.51 x 106
4.50 x 106
6.14 x 106

Aluminum
.100”

11/2”
2”
21/2”
3”

.196
.352
.456
.627

.156
.309
.544
.911

1.59 x 106
3.15 x 106
5.55 x 106
9.29 x 106

Material
Gauge

GRIP STRUT

3

4

Material
Gauge

Type
Loading**

Load

Deflection
in.

Steel
14 ga.

U
Cs

540
422

.43
.35

Steel
12 ga.

U
Cs

810
633

.30
.24

Aluminum
.080”

U
Cs

308
241

.48
.39

Aluminum
.100”

U
Cs

457
357

.51
.41

2

** U = Allowable Uniform Load (lb./ft. )
Cs = Allowable Concentrated Load per ft. of length at
mid-width (lb./ft.)
2

15

Safe Loading Tables
10-Diamond Plank — 24” Width
24”

11/8”9

11

/16”

/16”

11

21

17/8”
/32”

17/8”
7

17/8”
7

/16”

17/8”
7

/16”

17/8”
7

/16”

17/8”
7

/16”

17/8”
7

/16”

17/8”
7

/16”

17/8”
7

/16”

17/8”
7

/16”

21

/32”

/16”
5

Depth ± 1/16”

5
7

/16”

/16”

90°

/8”

/8”

Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Channel Weight
Depth lb./lin.
in.
ft.
Catalog
(mm)
(kg/m) Number
2”

7.4

(50.8)

(11.0)

3”

7.9

(76.2)

(11.8)

2”

10.4

(50.8)

(15.5)

3”

11.1

(76.2)

(16.5)

Span
2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

6’-6”

7’-0’

7’-6”

8’-0’

9’-0’

51
.54
203
.35

40
.65
180
.38

75
.58
300
.32

59
.70
267
.36

102014

U
D
C
D

300
.46
400
.34

300
.48
400
.35

228
.42
343
.32

168
.38
294
.30

128
.38
257
.29

102
.41
229
.29

82
.44
206
.30

68
.49
187
.31

57
.55
172
.33

49
.62
158
.35

42
.70
147
.37

103014

U
D
C
D

300
.42
400
.33

300
.43
400
.33

300
.46
400
.34

264
.44
400
.35

202
.39
400
.37

160
.36
360
.35

130
.35
324
.33

107
.36
295
.33

90
.39
270
.32

77
.44
249
.32

66
.45
232
.33

58
.49
216
.34

102012

U
D
C
D

475
.40
650
.26

416
.39
520
.22

289
.33
434
.19

212
.31
372
.20

162
.31
325
.20

128
.34
289
.21

104
.38
260
.22

86
.44
237
.23

72
.48
217
.25

62
.56
200
.28

53
.63
186
.31

46
.71
174
.34

103012

U
D
C
D

475
.38
900
.34

475
.39
900
.35

475
.42
800
.33

392
.38
686
.29

300
.36
600
.27

237
.34
534
.26

192
.35
480
.26

159
.37
437
.26

133
.39
400
.26

114
.43
369
.27

98
.47
343
.29

85
.52
320
.30

Steel
14 ga.

Steel
12 ga.

Engineering Data

48
.85
240
.41

Strut Loading

For Both Channels

Material
Gauge

Channel
Depth
in.

Sx
in.

Ix
in.

EI
lb. x in.

Steel
14 ga.

2”
3”

.303
.484

.232
.713

6.73 x 106
20.68 x 106

Steel
12 ga.

2”
3”

.387
.715

.346
.959

10.03 x 106
27.81 x 106

3

10’-0’ 11’-0” 12’-0”

4

Material
Gauge

Type
Loading**

Load

Deflection
in.

Steel
14 ga.

U
Cs

300
300

.49
.40

Steel
12 ga.

U
Cs

475
475

.45
.36

2

** U = Allowable Uniform Load (lb./ft. )
Cs = Allowable Concentrated Load per ft. of length at mid-width (lb./ft.)
2

16

GRIP STRUT

Safe Loading Tables
10-Diamond Walkway — 24” Width

1”

24”

41/2”
5

90° ±
21/2°

/8”

5

11/8”

11
9

/16”

/16”

/16”
11

17/8”

21

/32”

17/8”
7

17/8”
7

/16”

/16”

21

/32”

/16”

Product Selection/Design Tables
Allowable Loads and Deflections: U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
Spans to the left of heavy red line produce a deflection of 1/4” or less under a uniform load of 100 lb./ft.
2

2

Material
Gauge

Weight
lb./lin.
ft.

Steel
14 ga

Steel
12 ga

Span

(kg/m)

Catalog
Number

8.9

104514-U

104512-U

(13.2)

12.5
(18.6)

Engineering Data

2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

6’-6”

7’-0’

7’-6”

8’-0’

9’-0’

10’-0’ 11’-0” 12’-0”

U
D
C
D

300
.41
400
.32

300
.41
400
.33

300
.42
400
.33

300
.45
400
.33

300
.48
400
.34

263
.47
400
.35

213
.42
400
.36

176
.40
400
.38

148
.40
400
.39

126
.41
400
.41

109
.43
380
.42

95
.45
355
.41

83
.47
333
.41

66
.55
296
.42

53
.64
266
.44

43
.75
242
.47

U
D
C
D

475
.37
900
.34

475
.37
900
.34

475
.38
900
.35

475
.40
900
.35

475
.43
900
.36

420
.43
900
.37

340
.39
850
.37

281
.37
773
.35

236
.37
709
.34

201
.37
654
.33

173
.39
607
.33

151
.41
567
.33

133
.44
531
.33

105
.51
472
.35

85
.59
425
.37

70
.69
387
.40

Strut Loading

For Both Channels

Channel
Depth
in.

Sx
in.

Ix
in.

EI
lb. x in.

Steel
14 ga.

41/2”

.806

1.43

Steel
12 ga.

41/2”

1.290

2.42

Material
Gauge

3

59
.80
354
.44

4

Material
Gauge

Type
Loading**

Load

Deflection
in.

41.47 x 106

Steel
14 ga.

U
Cs

300
300

.49
.40

10.03 x 106

Steel
12 ga.

U
Cs

475
475

.45
.36

2

** U = Allowable Uniform Load (lb./ft. )
Cs = Allowable Concentrated Load per ft. of length at mid-width (lb./ft.)
2

GRIP STRUT

17

Comparative Performance Tables
8-Diamond Plank — 183/4” Width

Note: The data in these tables represents the
performances of both side channels ignoring grating surface performance. These values are not to be used for product selection
but should be used when comparisons are being made with other products whose published information does not include
grating surface performance. For Product selection and Design Tables, see pages 6 through 17.

U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
2

Material
Gauge

Steel
14 ga.

Steel
12 ga.

Alum.
Alloy
5052
.080”

Alum.
Alloy
5052
.100”

Channel Weight
Depth lb./lin.
in.
ft.
Catalog
(mm)
(kg/m) Number
11/2”

6.1

(38.1)

(9.1)

2”

6.3

(50.8)

(9.4)

21/2”

6.6

(63.5)

(9.8)

11/2”

8.5

(38.1)

(12.6)

2”

8.9

(50.8)

(13.2)

21/2”

9.2

(63.5)

(13.7)

3”

9.6

(76.2)

(14.3)

11/2”*

2.11

(38.1)

(3.13)

2”

2.20

(50.8)

(3.27)

21/2”*

2.29

(63.5)

(3.40)

3”*

2.39

76.2)

(3.55)

11/2”*

2.68

(38.1)

(3.98)

2”

2.79

(50.8)

(4.15)

21/2”*

2.91

(63.5)

(4.33)

3”*

3.02

(76.2)

(4.50)

81514

82014

82514

81512

82012

82512

83012

81512-A

82012-A

8251A

8301A

81510-A

82010-A

82510-A

83010-A

Span

U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D

2’-0” 2’-6” 3’-0’ 3’-6” 4’-0’ 4’-6”
337 217 151 112
86
69
.06
.10
.14
.20
.26
.33
525 421 355 306 270 242
.05
.08
.12
.16
.21
.27
557 358 250 184 142 113
.06
.09
.13
.17
.23
.29
873 698 583 501 440 396
.05
.07
.10
.14
.18
.23
639 411 286 211 162 129
.04
.06
.08
.11
.14
.18
1003 803 669 574 504 449
.03
.04
.06
.09
.12
.15
446 287 201 148 115
91
.07
.11
.15
.21
.28
.36
718 560 470 406 358 321
.06
.08
.12
.17
.22
.28
710 456 318 235 181 144
.05
.08
.11
.16
.21
.26
1107 887 741 637 564 505
.04
.06
.09
.12
.16
.21
1059 680 473 348 267 212
.04
.06
.09
.13
.17
.21
1656 1325 1106 949 832 741
.03
.05
.07
.10
.13
.17
1340 858 598 440 337 267
.04
.06
.08
.11
.14
.18
2097 1678 1398 1200 1051 936
.03
.04
.06
.09
.11
.15
253 162 112
83
.10
.15
.22
.31
395 316 263 226
.08
.12
.18
.25
371 237 165 121
93
73
.08
.13
.18
.25
.33
.42
579 463 386 331 290 257
.06
.10
.15
.20
.27
.34
557 357 248 182 139 110
.07
.10
.15
.21
.28
.35
812 696 580 497 435 387
.05
.08
.12
.17
.22
.28
684 438 304 223 171 135
.06
.09
.14
.19
.25
.31
1069 856 713 611 535 475
.04
.07
.11
.15
.20
.25

U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D

288 184
.09
.15
450 360
.07
.12
519 332
.09
.14
811 649
.07
.11
714 457
.07
.11
1116 893
.05
.09
922 590
.05
.08
1441 1153
.04
.06

128
.22
300
.17
231
.20
541
.16
317
.16
744
.12
410
.12
961
.10

94
.30
257
.24
170
.28
464
.22
233
.22
638
.17
301
.17
823
.13

72
.39
225
.31
130
.37
406
.29
179
.28
558
.23
231
.22
720
.17

57
.50
200
.40
103
.46
361
.46
141
.36
496
.29
182
.28
640
.22

5’-0’
56
.41
220
.33
92
.36
358
.29
105
.23
410
.18
75
.44
292
.35
117
.33
458
.26
172
.26
668
.21
217
.23
844
.18

5’-6”
47
.51
202
.41
76
.44
328
.35
87
.28
375
.22
63
.54
269
.43
98
.40
419
.32
143
.32
613
.26
180
.27
769
.22

6’-0’
40
.61
187
.49
65
.53
303
.42
74
.33
346
.27
53
.65
249
.52
83
.48
387
.38
120
.38
564
.30
152
.33
706
.26

6’-6”

7’-0’

7’-6”

8’-0’

9’-0’

10’-0’ 11’-0” 12’-0”

55
.62
281
.50
63
.39
321
.32
46
.78
233
.62
71
.57
361
.45
103
.45
523
.36
130
.38
653
.31

48
.73
264
.58
55
.46
301
.37
40
.91
219
.73
62
.66
338
.53
89
.52
488
.42
112
.45
614
.36

42
.84
248
.67
48
.53
283
.43

43
.61
267
.49

54
.77
319
.61
78
.60
458
.48
98
.52
575
.41

48
.88
302
.71
69
.69
431
.55
87
.59
542
.47

55
.88
388
.71
69
.75
486
.60

45
1.10
353
.88
57
.94
442
.75

59
.52
232
.42
89
.43
348
.35
109
.39
428
.31

49
.63
211
.51
74
.53
316
.42
90
.47
389
.38

62
.63
290
.50
76
.56
356
.45

53
.74
268
.59
65
.66
329
.53

46
.85
249
.68
56
.77
305
.61

49
.88
285
.70

83
.58
325
.46
114
.45
446
.36
148
.34
576
.27

68
.70
295
.56
94
.54
406
.43
122
.42
524
.33

58
.83
270
.66
79
.64
373
.51
102
.50
480
.40

49
.98
250
.78
68
.76
343
.60
87
.59
443
.47

58
.88
319
.70
75
.68
412
.54

51
1.01
298
.81
66
.78
384
.62

45
1.15
279
.92
58
.89
360
.71

40
1.30
263
1.04
51
1.01
339
.80

46
1.13
320
.90

47
1.15
406
.92

40
1.39
377
1.11

* Available on special order.

18

GRIP STRUT

Comparative Performance Tables
Note
The data in these tables represents the performances of both
side channels ignoring grating surface performance. These
values are not to be used for product selection but should be
used when comparisons are being made with other products
whose published information does not include grating surface
performance.
For Product selection and Design Tables, see pages 6 through 17.

10-Diamond Plank & Walkway
24” Width

U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.) D=Deflection (in.)
2

Material
Gauge

Channel Weight
Depth lb./lin.
in.
ft.
(mm)

Steel
14 ga.
Plank

Steel
12 ga.
Plank

(kg/m)

2”

7.4

(50.8)

(11.0)

3”

7.9

(76.2)

(11.8)

2”

10.4

(50.8)

(15.5)

3”

11.1

(76.2)

(16.5)

Steel
4.5”
14 ga.
(114.3)
Walkway
Steel
4.5”
12 ga.
(114.3)
Walkway

8.9
(13.2)

12.5
(18.6)

Span
Catalog
Number
102014

103014

102012

103012

U
D
C
D
U
D
C
D
U
D
C
D
U
D
C
D

U
104514-U D
C
D
U
104512-U D
C
D

2’-0”

2’-6”

3’-0’

3’-6”

4’-0’

4’-6”

5’-0’

5’-6”

6’-0’

6’-6”

7’-0’

7’-6”

8’-0’

9’-0’

10’-0’ 11’-0” 12’-0”

514
.05
1028
.04
810
.03
1620
.02
650
.07
1300
.04
1200
.03
2400
.03

329
.08
822
.07
518
.05
1296
.04
416
.08
1040
.06
768
.05
1920
.04

228
.12
685
.09
360
.07
1080
.05
289
.11
867
.09
533
.07
1600
.06

168
.16
587
.13
264
.09
926
.07
212
.15
743
.12
392
.10
1371
.08

128
.21
514
.17
202
.12
810
.09
162
.19
650
.15
300
.13
1200
.10

102
.27
457
.21
160
.15
720
.12
128
.24
578
.20
237
.16
1067
.13

82
.33
411
.26
130
.18
648
.15
104
.30
520
.24
192
.20
960
.16

68
.40
374
.32
107
.22
589
.18
86
.37
473
.29
159
.25
873
.20

57
.47
343
.38
90
.27
540
.21
72
.43
433
.35
133
.29
800
.23

49
.55
316
.44
77
.31
498
.25
62
.51
400
.41
114
.34
736
.27

294
.51
66
.36
463
.29
53
.59
371
.47
98
.40
686
.32

274
.59
58
.41
432
.33

257
.67
51
.47
405
.38

228
.85

206
1.05

187
1.27

171
1.51

360
.48

324
.59

295
.71

270
.85

347
.54
85
.46
640
.37

325
.62
75
.52
600
.42

289
.78
59
.66
533
.53

260
.96

236
1.17

217
1.39

480
.65

436
.79

400
.94

1330 851 591
.02
.04
.05
2660 2128 1773
.02
.03
.04
2125 1360 944
.02
.03
.05
4200 3400 2833
.02
.03
.04

434
.07
1520
.06
694
.06
2429
.05

332
.09
1339
.07
531
.08
2125
.07

263
.12
1182
.09
420
.11
1889
.09

213
.14
1064
.11
340
.13
1700
.11

176
.17
967
.14
281
.16
1545
.13

148
.20
887
.16
236
.19
1417
.15

126
.24
818
.19
201
.22
1308
.18

109
.28
760
.22
173
.26
1214
.21

95
.32
709
.26
151
.30
1133
.24

83
.36
665
.29
133
.34
1062
.27

66
.46
591
.37
105
.43
944
.34

53
.57
532
.45
85
.53
850
.42

484
.55
70
.64
773
.51

443
.65
59
.76
708
.61

Load/Deflection Conversion Formulas
In the elastic range, deflection is proportional
to the applied load for both uniform and
concentrated loads. This relationship can be
used to determine the deflection that any load
which is less than the allowable load will
produce, as shown in Example A. Also, if
desired, the load which will produce a specific
deflection can also be determined if the load is
in the elastic range as illustrated in Example B.

Example A
What deflection will a 300 lb. concentrated load produce on a plank
(catalog number 103012) spanning 5”-0”?
See page 16 for item 103012 at a span = 5’-0” C = 480 lb. D = 0.26”
D @ 300 lb. = 0.26”/480 lb. x 300 lb. = 0.16”

Example B
If a plank (catalog number 103012) is spanning 6’-0”, what concentrated
load will produce a 1/4” deflection?
See page 16 for item 103012 at a span = 6’-0” C = 400 lb. D = 0.26”
C @ 1/4” = 400 lb./0.26” x 0.25” = 385 lb.

GRIP STRUT

19

Fastening Anchors Accessories
Diamond Washer

Carriage
Bolt **

Part Number Includes
(1) Diamond Washer

Diamond
Washer

Order Separately
(1) 5/16”-18 Carriage Bolt **
(1) 5/16” Flat Washer
(1) 5/16”-18 Hex Nut

Field drilling is required.

Flat
Washer

Finish: G-90 mill galvanized
Also available in 304 stainless steel

Hex Nut

Diamond Washer
** Plank carriage bolt lengths = Side Channel Height + 1”
Walkway carriage bolt = 5/16”-18 x 2”

UPC Number

Catalog Number

Wt./Ea.

66251626610

12262

0.03

Assembly
1. Align GRIP STRUT planks on I-Beam or other
anchoring cross-member.
2. Mark the I-Beam for drilling purposes under a slot
near the end of GRIP STRUT plank. Drill a pilot hole.
3. Remove GRIP STRUT plank and drill a finish hole.
4. Replace GRIP STRUT plank. Align diamond washer
over the drilled hole. Run the carriage bolt through
the diamond washer and I-Beam. Tighten the
washer and nut until secure.
5. Test for movement or slippage. If GRIP STRUT
planks are not secure, check fastening system for
loose or missing parts. Repeat steps 1 thru 4.
Note: Do not walk on GRIP STURT planks if
they are not secure. Serious injury could result.
Welding
A common method of fastening safety grating is
welding. It is recommended that all B-Line Safety
Grating products be fillet welded per AWS D1.3.
For more information, consult Technical Services.

20

Heavy Duty GRIP STRUT

Fastening Anchor Accessories
Anchor Plate

J-Bolts

Finish: G-90
mill galvanized

Anchor
Plate

Also available in 304
stainless steel

Flat
Washers
Hex Nuts

No field drilling is required.

Part Number Includes
(1) Anchor Plate
(2) 3/8”-16 J-Bolts
(2) 3/8” Flat Washer
(2) 3/8”-16 Hex Nut

Anchor Plate Assemblies *
UPC Number

Catalog Number

ACA15
ACA20
ACA25
ACA30

66251634139
66251634141
66251634142
66251634144

Assembly
1. Align two (2) GRIP STRUT planks side-by-side on
I-Beam or other anchoring cross-member.
2. Place J-bolts in GRIP STRUT openings opposite
each other. Make sure you choose the openings
nearest to the inner edge of the plank .
3. Slide ACA anchor plate up J-bolts until snug. Make
sure the inside edge of the ACA anchor plate is as
close as possible to the center of the cross member.
4. Tighten nuts until planks are secured.
5. Test for movement or slippage. If GRIP STRUT
planks are not secure, check fastening system for
loose or missing parts. Repeat steps 1 thru 4.
Note: Do not walk on GRIP STRUT planks if
they are not secure. Serious injury could result.
Welding
A common method of fastening safety grating is
welding. It is recommended that all B-Line Safety
Grating products be fillet welded per AWS D1.3.
For more information, consult Technical Services.

Heavy Duty GRIP STRUT

21

Grating Height
1

1 /2”
2”
21/2”
3”

J-Bolt Size
3

1

/8”-16 x 1 /2”
3
/8”-16 x 2”
3
/8”-16 x 21/2”
3
/8”-16 x 3”

Wt./Ea.

0.80
0.80
0.80
0.90

Walkway Accessories
Walkway Splice Plate (30” Long) Kit
Part Number Includes
(2) Splice Plates
(32) 1/2”-13 x 11/4”Hex Bolts
(32) 1/2”-13 Hex Nuts
(32) 1/2” Washers

Walkway Splice Plate Kit

Walkway splice plates provide continuity
when multiple lengths of GRIP STRUT™
walkway are desired. Connections are
reinforced with the addition of splice plates
attached to side channels.
Splice plates are formed from 12 gauge
mill-galvanized steel, prepunched and
supplied with hardware shown above.

UPC Number

Catalog Number

Wt./Ea.

66251642714

SP-10DU-30

18.1

30”
17/8”

33/4” C to C

4 1 / 2”
17/8”
3

/4”

Torque to 40 ft.-lbs.

22

GRIP STRUT

Walkway Accessories
Walkway Splice Plate (7” Long) Kit

Part Number Includes
(2) Splice Plates - 4” x 7”
(16) 7/16”-14 x 11/4”Hex Bolts
(16) 7/16”-14 Hex Nuts
(16) 7/16” Washers

Walkway Splice Plate Kit

Kit joins continuous sections together in
a run only over supports.
Note: Contact factory for information on
pre-punched holes in walkway grating.
Splice plates are formed from 10 gauge
mill-galvanized steel, prepunched and
supplied with hardware shown above.
Torque to 55 ft.-lbs. (minimum)

Heavy Duty GRIP STRUT

23

UPC Number

Catalog Number

Wt./Ea.

66251642716

SP-10DU-7

4.1

Special & Fabricated Products
Reconditioning Material
Here’s the “safety first” way to re-do worn and unsafe floors
and stairs - resurface with non-slip GRIP STRUT™ safety grating
reconditioning material (RM). GRIP STRUT safety grating is the
only product that gives 500 wall-to-wall teeth per square foot.
Serrated, diamond-shaped openings make GRIP STRUT safety
grating safer than conventional gratings — permit mud, oil,
grease and industrial waste to fall through, when used over
open floor materials such as bar grating. Even ice shears free
under normal foot pressure. Down-turned edges allow grating
to lie flat and secure over existing flooring. Consult distributor
for product specifications.

Flat Stock Material
Flat Stock can be manufactured to specified dimensions of
flat metal on either or both sides. Consult your distributor for
specifications and availability.

Other important GRIP STRUT safety grating advantages include:
easy field fabrication and fast, low-cost installation. RM
products available on special order in standard materials and
sizes.

Many variations of GRIP STRUT safety grating panels are
available to suit specific requirements. Special forming can
be accomplished to suit requirements not covered by the
standard panels. Consult your distributor for availability.

Reconditioning Material

GRIP STRUT with Standard Serrated Surface

GRIP STRUT Walkways

GRIP STRUT with Non-Serrated Surface

GRIP STRUT 1-diamond rungs

GRIP STRUT Stair Treads

Versatility in form and function for new or special products
Because of its light-weight plank design, GRIP STRUT safety
grating is easy to handle and economical to install. Most
sections can be handled by one man. Simply and quickly fieldcut with standard tools. Layout and erection goes quickly
because panels match perfectly. Various widths may be used
to suit space requirements.

24

Heavy Duty GRIP STRUT

Special & Fabricated Products
Fabricating
Services
We can quote large jobs on a lump-sum basis,
including detailing and fabricating of special
material, to your requirements. Submit plans
and specifications through your GRIP STRUT™
safety grating distributor.
After your order is received, a bill of materials
and shop drawings will be prepared for your
approval before fabrication is begun. A few of
the fabricating services available include:
special cutting, marking according to layout,
banding and toe plates.

GRIP STRUT Flooring

GRIP STRUT Special Fabrication

Special Walkways

GRIP STRUT - Railcar Walkways

Industrial Walkways

GRIP STRUT Stairs & Ramps

Heavy Duty GRIP STRUT

25

Stair Tread Information
Safe Loading — Stair Treads
Load data below takes eccentric loads into consideration. Although load values include allowances for normal impact conditions
and usual pedestrian traffic, be sure to make provisions in the structural design for special uses and loads involving unusual impact
forces or vibratory forces. Load-carrying capacity of stair treads increases as side channel height and gauge or material increase.

GRIP STRUT Stair Tread

Stair Tread Application

GRIP STRUT Stair Tread with Abrasive Nosing

U=Uniform Load (lb./ft. ) C= Concentrated Load (lb.)
2

2-Diamond
43/4” Depth
Material

Steel

Gauge

2’-0”

3’-0”
4’-0” (1)

C

U

12
C

U

Steel

14
C

12

14

12

U

C

U

C

U

C

U

C

1576 624

761 443

1006 587

549

435

750

595

434

425

575

563

2” (50.8)

1978 783

2513 995

1262 737

1604 936

911

604

1158 917

721

573

916

897

764

378

1011 500

488 356

645 470

353

349

481

476

278

342

369

452

1268 611

1611 797

810 590

1029 750

584

578

742

734

463

566

587

719

2” (38.1)

U

Steel

14

1191 472

2” (50.8)

C

5-Diamond
113/4” Depth

11/2” (38.1)
11/

2’-6”

12

U

4-Diamond
91/2” Depth

Steel

14

Channel
Depth - in. (mm)

Span

3-Diamond
7” Depth

11/2” (38.1)

532

315

703

418

340 300

450 393

245

300

335

398

194

300

258

378

2” (50.8)

882

524

1121 665

563 492

716 626

407

483

517

614

322

473

409

601

2” (50.8)

498

394

633

318 372

404 472

230

364

292

463

182

356

232

454

501

(1) Intermediate stringer is recommended for spans over 4 feet.

2-Diamond
43/4” Depth
Material
Gauge
Channel
Depth
in. (mm)

Span

3-Diamond
7” Depth

Aluminum
.080”

U

C

Aluminum

.100”

U

4-Diamond
91/2” Depth

C

.080”

U

C

Aluminum

.100”

U

4-Diamond
91/2” Depth

C

.080”

U

C

Stainless Steel

.100”

U

5-Diamond
113/4” Depth

C

304

U

Aluminum

316L

C

U

5-Diamond
113/4” Depth

C

.080”

.100”

U

U

C

Stainless Steel
304

C

U

316L

C

U

C

2’-0”

2” (50.8)

1328 526

1862 737

862 503

1208 705

607 481

867 687

610 483

525 416

396 388

607 595

394 386

338 331

2’-6”

2” (50.8)

850 420

1191 590

551 402

773 564

388 392

555 550

390 387

336 336

253 388

388 540

252 381

216 339

3’-0”

2” (50.8)

590 350

827 491

383 335

537 470

270 327

385 458

271 323

233 279

176 321

270 450

175 319

150 275

4’-0” (1)

2” (50.8)

332 263

465 369

215 252

302 353

152 245

216 344

152 244

131 210

99 241

151 338

98 241

84 221

(1) Intermediate stringer is recommended for spans over 4 feet.

26

GRIP STRUT

Stair Tread Information
Standard Sizes and Recommended Spans (1)
Steel

Standard Stair Treads
Span
in.

Gauge

Channel
Depth - in.

Up to 30”

14

11/2”

30” to 36”

14

11/2”

36” to 42”

14 ga.

11/2”

42” to 48”

14 ga.

2”

Stair Treads with Abrasive Nosing

Catalog
Number

Size
in.

Catalog
Number

Size
in.

T-21514
T-31514
T-41514
T-51514
T-21514
T-31514
T-41514
T-51514
T-21514
T-31514
T-41514
T-51514
T-21514
T-31514
T-41514
T-51514

2-Diamond - 43/4”
3-Diamond - 7”
4-Diamond - 91/2”
5-Diamond - 113/4”
2-Diamond - 43/4”
3-Diamond - 7”
4-Diamond - 91/2”
5-Diamond - 113/4”
2-Diamond - 43/4”
3-Diamond - 7”
4-Diamond - 91/2”
5-Diamond - 113/4”
2-Diamond - 43/4”
3-Diamond - 7”
4-Diamond - 91/2”
5-Diamond - 113/4”

-T-31514-N
T-41514-N
--T-31514-N
T-41514-N
--T-31514-N
T-41514-N
--T-31514-N
T-41514-N
--

-3-Diamond - 81/8”
4-Diamond - 101/2”
--3-Diamond - 81/8”
4-Diamond - 101/2”
--3-Diamond - 81/8”
4-Diamond - 101/2”
--3-Diamond - 81/8”
4-Diamond - 101/2”
--

T-22012-A
T-32012-A
T-42012-A
T-52012-A
T-22010-A*
T-32010-A*
T-42010-A*
T-52010-A*

2-Diamond - 43/4”
3-Diamond - 7”
4-Diamond - 91/2”
5-Diamond - 113/4”
2-Diamond - 43/4”
3-Diamond - 7”
4-Diamond - 91/2”
5-Diamond - 113/4”

-T-32012-A-N
T-42012-A-N
--T-32010-A-N
T-42010-A-N
--

-3-Diamond - 81/8”
4-Diamond - 101/2”
--3-Diamond - 81/8”
4-Diamond - 101/2”
--

T-42016-SL
T-52016-SL
T-42012-A
T-52012-A

4-Diamond - 91/2”
5-Diamond - 113/4”
4-Diamond - 91/2”
5-Diamond - 113/4”

-----

-----

Aluminum
Up to 42”

.080”

2”

Up to 48”

.100”

2”

Type 316L
16 ga.
Type 304
16 ga.

2”

Stainless Steel
Up to 30”
Up to 36”

2”

(1) Recommendations are based on approximate minimum loads of 300 lbs. concentrated; 100 lbs. uniform. Specific performance criteria may vary by
municipality/building code body and should be locally checked prior to finalizing specifications.
* Available on special order.
5/16”

13/4” x 7/16” Slot

1/4” x 1” Self Tapping Screw

7/16” Dia. Hole

11/4”

13/4” x 7/16” Slot

C

C

5/16”

B

B

7/16” Dia. Hole

D

27/32”

27/32”

D

A

A

Steel, Aluminum and Stainless Steel (1)
Standard
A

B

3

1

With Abrasive Nosing
C

D

A

B

C

D

/4”
1”

5

---

---

/ 4”
1”

4 /4”
(2-Diamond)

1 /2”
2”

3

7”
(3-Diamond)

11/2”
2”

3

33/8”
33/8”

81/8”
(3-Diamond)

11/2”
2”

3

41/2”
41/2”

91/2”
(4-Diamond)

11/2”
2”

3

57/8”
57/8”

101/2”
(4-Diamond)

11/2”
2”

3

/ 4”
1”

67/8”
67/8”

113/4”
(5-Diamond)

11/2”
2”

3

81/8”
81/8”

---

---

---

---

/4”
1”
/4”
1”
/4”
1”

2 /8”
25/8”

---

---

(1) Stainless Steel not available in 2-Diamond or 3-Diamond widths.

GRIP STRUT

27

Specifications
Product Guide Specification
Specifier Notes: This product guide specification is written according to the Construction Specifications Institute (CSI) MasterFormat,
Three-Part SectionFormat, and PageFormat, contained in the CSI Manual of Practice. Six-digit section numbers are from the MasterFormat, 2004 Edition.
The section must be carefully reviewed and edited by the Engineer to meet the requirements of the project and local building code. Coordinate with other specification sections and the drawings.
Specifier Notes: This section covers Eaton’s B-Line Business’ slip resistant, GRIP STRUT™ safety grating, grating planks, walkways,
treads, ladder rungs and specialty items designed for industrial and commercial walking/working surfaces are included.

SECTION 05 53 00, Metal Gratings (05120)
Safety Grating, Slip Resistant Walkways, Platforms and Treads
Part 1- General
1.1

Section Includes
A. Safety Grating walkways, planks, stair-treads with reticulated and formed metal cross struts.
B. Regular and Heavy Duty Safety Grating products constructed from single-sheet with integrally-formed channels
at the edges.
C. Slip resistant walkways, planks and stair-treads with stamped surface textures/patterns.

1.2

Related Documents & Sections
Drawings and general provisions of the contract, including General and Supplementary Conditions and Division 01
Specification Sections, apply to this section. Other related sections include:
A. 05 51 00, Metal Stairs
05 51 19, Metal Grating Stairs
05 51 13, Metal Ladders
05 51 36, Catwalks
B. 05 55 00, Metals Stair Treads and Nosings

1.3

Submittals
A. Submit drawings of Safety Grating products, accessories and attachments.
B. Submit manufacturer's product data on Safety Grating products including, but not limited to; types, materials,
finishes, gauge thickness, surface patterns. For each grating cross-section, submit dimensional information,
span, load capacity and deflection requirements.
C. Shop Drawings:
1. Show fabrication and installation details, including plans.
2. Coordination of drawings: Floor plans and sections, drawn to scale. Include scaled layout and relationships
between grating and adjacent structural elements.

1.4

References
A. ASTM A 123 - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products
B. ASTM A 240 - Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet,
and Strip for Pressure Vessels and for General Applications
C. ASTM A 653 - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated
(Galvannealed) by the Hot-Dip Process
D. ASTM A 924 - Standard Specification for General Requirements for Steel Sheet, Metallic Coated by the
Hot-Dip Process
E. ASTM A 1011 - Standard Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength
Low-Alloy, and High-Strength Low-Alloy with Improved Formability
F. ASTM B 209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate
G. OSHA-Occupational Safety and Health Administration- Standards for walking-working surfaces. Part Number
1910, Subpart D.
H. RR-G-1602D- Federal Specification For Safety Grating (other than bar type & excluding naval vessels)
I. ISO 9001:2000 Quality Management System- Requirements.

28

GRIP STRUT

Specifications
1.5

Quality Assurance
A. Manufacturers: Firms regularly engaged in the manufacture of safety grating of the types required, whose
products have been in satisfactory use in similar service for not less than 5 years.
B. OSHA Compliance: All grating installations must comply with OSHA Standards for walking working surfaces.
C. Federal Specification RR-G-1602D (or current revision) defines the criteria for items to be considered “safety
grating”. Slip resistant performance data must be available to support compliance.
D. Manufacturer must have an ISO registered quality system in place, and Manual available upon request.

1.6

Delivery, Storage and Handling
A. Deliver safety grating and components carefully to avoid damage, denting and scoring of finishes. Do not install
damaged material.
B. Store materials in original packaging and in clean, dry space; protect from weather and construction traffic.
Materials to be elevated off of ground by blocks or skids or pallets.
Part 2 Products
2.1

Acceptable Manufacturers
Safety Gratings: Subject to compliance with these specifications, safety gratings shall be installed as manufactured
by B-Line GRIP Strut safety grating (or engineer approved equal).

2.2

Materials and Finish
A. Hot Rolled, Pickled & Oiled Steel: Commercial steel per ASTM A 1011, minimum yield of 33 ksi.
B. Mill Galvanized Steel: Commercial steel per ASTM A 653 and ASTM A 924 with G-90 coating designation,
minimum yield of 33 ksi.
C. Hot-Dip Galvanized After Fabrication: Commercial steel per ASTM A 1011, minimum yield of 33 ksi, hot-dip
galvanized after fabrication per ASTM A 123.
D. Aluminum: Alloy 5052, Temper H32 aluminum per ASTM B 209
E. Stainless Steel: Type 304 (Type 316) stainless steel, 2B or 2D finish, per ASTM A 240.

2.3

Gratings and Components
Safety Grating: (planks)(walkways)(treads)(ladder rungs) shall meet or exceed the Federal Standard RR-G-1602D for Safety
Grating.

Part 3 Execution
3.1

Installation
A. Inspect areas to receive grating for obstacles. Notify the Engineer of conditions that would adversely affect
the installation or subsequent utilization of the areas. Do not proceed with installation until unsatisfactory
conditions are corrected.
B. Install grating according to manufacturer's recommendations and as shown on the construction drawings.
C. Position grating sections flat and square with ends bearing minimum 11/2” on supporting structure.
D. Keep sections at least 1/4” away from vertical steel sections and 1/2” from concrete walls.
E. Allow clearance at joints between sections of maximum 1/2” at side channels and maximum 3/8” at ends.
F. Band random cut ends and diagonal or circular cut exposed edges with a minimum 1/8” thick bar welded
at contact points.
G. Join abutting walkway sections with manufacturer supplied splice plates; bolted or welded as specified.
H. For stair treads, intermediate stringer is recommended for spans over 4 feet.
END OF SECTION

GRIP STRUT

29

How To Order
GRIP STRUT™ safety grating and Stair Treads are stocked in all major markets. For the finest in Safety Grating and Stair Treads, contact
us or look for your local GRIP STRUT distributor on the internet using www.bline.com.
Catalog number code
The catalog number code given below will assist you in ordering the material according to the specifications required.
1. Steel:
First numeral is width. “5” denotes 5-diamond or 113/4” width.
Second and third numerals denote channel size. “20” denotes 2”, “15” denotes 11/2”, etc.
Last two numbers denote gauge. “12” denotes 12 gauge, “14” denotes 14 gauge.
Standard material is mill galvanized G-90 (ASTM A653)
Example: 52014 = 5-Diamond, 113/4” wide, 2” channel, 14 gauge
2. Aluminum:
First numeral is width. “5” denotes 5-diamond or 113/4” width.
Second and third numerals denote channel size. “20” denotes 2”, “15” denotes 11/2”, etc.
Last two numbers denote gauge. “10” denotes .100” thick, “12” denotes .080” thick.
Material -A: Denotes aluminum.
Example: 52012-A = 5-Diamond, 113/4” wide, 2” channel, .080 thick, aluminum
3. Stainless Steel:
First numeral is width. “5” denotes 5-diamond or 113/4” width.
Second and third numerals denote channel size. “20” denotes 2”, “15” denotes 11/2”, etc.
Last two numbers denote gauge. “16” denotes 16 gauge.
Material - S = Type 304, SL = 316L
Example: 52016-S = 5-Diamond, 113/4” wide, 2” channel, 16 gauge, Type 304 stainless
4. Stair Treads:
Any of the above numbers preceded by “T-”
Example: T-42014 = 4-Diamond, 91/2” wide, 2” channel, 14 gauge, steel stair tread
5. Plain:
For ordering purposes, any catalog number followed by “B” signifies plain unpainted steel (HRP&O).
Example: 52012-B = 5-Diamond, 113/4” wide, 2” channel, 12 gauge, plain steel
6. Special Products:
Consult local GRIP STRUT safety grating distributor for identification and order placement of special products not herein identified.
Standard Sizes:
Length: (nominal 10’-0” and 12’-0”)
Tolerances:
Planks: Standard 10’-0” and 12’-0” lengths are 120” and 144” respectively, with a tolerance of -0” +1/4”.
Special lengths are available.
Treads: Standard stair tread lengths are as shown in this catalog with tolerances of ± 1/8”.
Raw Materials:
Finishes:
A) Steel:
1) Pre-galvanized - ASTM A653
2) 14 gauge: hot rolled, commercial quality, oiled black steel and commercial quality, commercial coating,
chemically treated galvanized steel
3) 12 gauge: hot rolled, pickled and oiled, commercial quality black steel and commercial quality, commercial coating,
chemically treated galvanized steel
B) Aluminum: Alloy 5052 H-32 mill finish
C) Stainless Steel: 2B finish - 316L (light, cold rolled) — 2D finish - 304 (cold rolled)
Fabrication service: On large jobs, we estimate, quote, detail, and fabricate to your requirements. Lump-sum quotations are
made from submitted plans and specifications. After receipt of order, a bill of materials and necessary layout drawings are
prepared. Grating is supplied with special cutting, banding and toe plates installed where needed. Stair treads are also
available fabricated and non-serrated. This fabrication service is available through GRIP STRUT safety grating distributors.

30

GRIP STRUT

Installation Recommendations
General Installation Recommendations
Recommended Clearance
Steel: 1/4” minimum is recommended at perimeter and 3/8” maximum at end joints. Maximum between panels is 1/4”; 1/8”
is generally used.
Concrete: Concrete form deflection calls for slightly greater perimeter clearance. 1/2” is recommended.
(Maximum between panels is 1/4”).
Bearing Surfaces
Recommended minimum bearing 11/2”. Surfaces supporting GRIP STRUT™ safety grating must be smooth and level to
insure that adjoining sections provide a safe, even walking surface.
Permanent Installation
GRIP STRUT™ safety grating is easily welded to supports for permanent installations. Channels are quickly welded
together between supports to provide uniform deflection in adjacent panels.
For welded-attachment, secure side channels to supports by fusion welding with 1/8” fillet welds, 1” long. Weld adjacent
planks together with 1/8” fillet welds, 1” long, 24” on center staggered top and bottom.
Install GRIP STRUT safety grating according to details as shown on individual job drawings, or as follows:
(1) Single width applications. Utilizing the anchoring device or weldings, attach GRIP STRUT safety grating plank at
every point of contact with supporting structure around perimeter of plank.
(2) Multiple width applications. Utilizing the GRIP STRUT safety grating anchoring device or welded as recommended
by A.I.S.I., attach grating plank around the perimeter at each point of contact with supporting structure. In field of
platform, attach plank to supporting structure with a minimum of one attachment at each end of plank on alternate
sides.
When span exceeds 8 feet, weld or bolt side channels of adjacent planks together at midpoint of span.
(When spans exceed 6 feet, consider similar treatment.)

GRIP STRUT

31

U.S. Customer Service Center is staffed Monday through Friday
from 7 a.m. to 5:00 p.m. Central Standard Time.
For more information visit, www.cooperbline.com/grating.

Eaton’s B-Line Business
509 West Monroe Street
Highland, IL 62249
United States
Phone: (800) 582-3643
www.cooperbline.com/contactus

Eaton
1000 Eaton Boulevard
Cleveland, OH 44122
United States
Eaton.com
Eaton’s B-Line Business
509 West Monroe Street
Highland, IL 62249
Phone: 800-851-7415
Fax: 618-654-1917
www.cooperbline.com
© 2014 Eaton
All Rights Reserved
Printed in USA
Publication No. GSSG-13R
August 2014

Eaton is a registered trademark
All other trademarks are property
of their respective owners.



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