FM22 Mastermesh Expanded Metal Products

User Manual: FM22

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Mastermesh® Expanded Metal

Heading
NEPEAN™ Building & Infrastructure

NEPEAN Building & Infrastructure is a
division of NEPEAN, Australia’s largest
privately owned engineering, mining
services and industrial manufacturing
organisation.

Under the Mastermesh® brand,
NEPEAN Building & Infrastructure
manufactures and supplies an
extensive range of expanded and
perforated metal products that
are widely used in architectural,
commercial, industrial and resources
projects Australia-wide. Materials
include galvanised mild steel, stainless
steel and aluminium.
This brochure is designed to assist the
architect, draughtsperson, engineer,
fabricator and specifier in the correct
selection of our range of expanded
metal products.

CONTENTS
Company History

2

Application Photos

3

General Information

4

Application Photos

5

Flormesh®

Small/Large Diamond 8-9
Security Mesh

10-12

Decorative Mesh

10-12

Sunscreen Mesh

10-12

Flormesh®

Expanded Metal

2

6-7

Perforated Metal

Mastermesh® Expanded Metal
Applications

FM14 – Walkway/Catwalks

Non-standard product – Carpark facades

SD0912 – Automotive grilles

SM3030 – Gross pollutant traps

SUN1663 – Anti-glare screens

LD3045 – Balustrade infill panels

3

General Information

Raised Expanded Metal Profileknuckle
short way of mesh
(SWM)
knuckle
short way of mesh
(SWM)
strand width

thickness

long way of mesh (LWM)
thickness

strand width

long way of mesh (LWM)

Flattened Expanded Metal Profile

Expanded Metal Terms
LWM – Long Way Measurement. Dimension taken from the centre of one
knuckle to the centre of the adjoining knuckle, measured along the “long way”
of the diamond/profile (see diagrams).
SWM – Short Way Measurement. Dimension taken from the centre of one
knuckle to the centre of the adjoining knuckle, measured along the “short way”
of the diamond/profile (see diagrams).
Strands & Knuckles – Expanded metal is made up of strands & knuckles.
Strands form the sides of the expanded metal opening and the knuckle is the
intersection of two strands.
Thickness – The thickness of the parent sheet metal, which remains unchanged
during the expanding process.
Sheet Direction – LWM x SWM (see diagrams below).

strand width

short way of mesh
(SWM)

thickness

short way of mesh
(SWM)
strand width

thickness

long way of mesh (LWM)
thickness

Materials

2400 LWM x 1200 SWM
This sheet is 2400mm LWM x 1200mm SWM

1200 LWM x 2400 SWM
This sheet is 1200mm LWM x 2400mm SWM

Non-standard Products

Tolerances

We have provided many specialpurpose expanded metals to suit
unique applications. If you have a
requirement that is not covered in
this catalogue, please contact your
nearest sales office (details on back
cover) for further information.

All measurements specified are
nominal and approximates only.
Although every effort is made to
ensure these dimensions are accurate,
they are subject to standard industrial
manufacturing tolerances.

strand width

long way of mesh (LWM)

Expanded metal sheets can be
supplied in the following materials:
>> Untreated mild steel
>> Pre-galvanised steel
>> Stainless steel (304 & 316)
>> Aluminium
>> Copper

Finishes
Hot-Dip Galvanised: NEPEAN
Building & Infrastructure has its
own in-house galvanising plant,
providing a 24-hour service. The hotdip galvanising process produces a
durable, abrasion-resistant coating of
metallic zinc and zinc-iron alloy layers
metallurgically bonded to the steel
base. This finish is not recommended
for fine meshes, as they are prone to
distortion and windowing effects.
Hot-dip galvanising conforms to AS/
NZS4680:1999.

>> Brass
>> Pre-painted steel

Fabricating Expanded Metal
Conventional sheet metal working
techniques are used for fabricating
expanded metal, including cutting,
bending and welding.

4

Mastermesh® Expanded Metal
Applications

FM14 – Trailers

LD3039 – Car park facades

FM22 – Ballast retaining sump pit covers

LD3056 – Security window grilles

DM3032 – Decorative window grilles

LD1620F – Machine guards

5

Flormesh® Walkway Mesh

FM14

FM19

FM22

FM28

Profiles pictured are 75% actual size.

Trailers

Air conditioning platforms

Walkways

6

Flormesh® Walkway Mesh

Flormesh® Product Range
Product Code

Material

Nom. Mesh
Dimensions

Nom. Strand
Dimensions

Sheet Size
LWM x SWM

Approx.
Weight
(kg/m2 )

Approx. %
Open Area

14.00

64

LWM
(mm)

SWM
(mm)

Thickness
(mm)

Width
(mm)

45.00

5.00

8.00

600/750/900/1200 x 3000

FM14

Steel

135.00

FM19

Steel

135.00

45.00

5.00

11.00

600/750/900/1200 x 3000

19.00

52

FM22

Steel

75.00

30.00

5.00

7.50

600/750/900/1200 x 3000

22.00

50

FM28

Steel

75.00

30.00

5.00

10.50

600/750/900/1200 x 3000

28.00

30

• Open area percentages are approximations only
knuckle

Flormesh® Safe Loads and Deflections

F L O R M E S H

Product Code Loading Type
FM 14

short way of mesh
(SWM)

®

Span (mm)

500

600

700

800

900

Uniform (kPa)

18.49

13.63

10.16

7.67

5.63

Deflection (kPa)

1.24

0.97

0.78

0.64

0.52

Flormesh ® expanded
thickness metal is a tough
strand width
1000
1100
1200
and durable productlongwith
high
way of mesha
(LWM)
4.09
2.67
1.70
strength
to weight ratio.
0.44
0.37
0.31

Concentrated (kN)

1.89

1.65

1.44

1.21

0.99

0.77

0.55

0.33

Span (mm)

500

600

700

800

900

1000

1100

1200

Uniform (kPa)

29.51

21.63

16.00

11.89

8.49

6.04

3.88

2.07

Deflection (kPa)

1.60

1.27

1.04

0.87

0.73

0.63

0.53

0.46

Concentrated (kN)

3.41

2.97

2.51

2.08

1.62

1.18

0.72

0.41

Span (mm)

500

600

700

800

900

1000

1100

1200

Uniform (kPa)

25.50

18.54

12.32

9.69

6.81

3.63

2.61

0.94

Deflection (kPa)

1.55

1.22

0.99

0.81

0.68

0.41

Concentrated (kN)

2.41

2.16

1.92

1.67

1.46

0.57
0.48
Tolerances:

Span (mm)

500

600

700

800

900

1000

FM 19

1200mm
900mm
750mm
600mm

strand width

thickness

FM 22

1100

1200

Serrated edge detail

Uniform (kPa)

27.75

20.83

15.89

11.41

9.17

6.88

5.00

3.44

2.05

1.60

1.29

1.05

0.88

0.73

0.60

0.51

Concentrated (kN)

4.45

3.95

3.42

2.91

2.41

1.90

1.35

0.90

1. The above tables are based on the XPM Expanded
Metal Industry Standard 1001.
2. Load capacities given in the table are for
Flormesh® spanning the LWM direction over a
clear span with every fourth strand welded to
the support and a minimum landing of 25mm
(preferred industry standard).
3. Uniform distributed load is the maximum
load just prior to permanent deflection (yield) of
mesh. Permanent yield is span/500 or 0.80mm,
whichever is greater.

3000mm
strand width

long way of mesh (LWM)

and weight are nominal.
Thickness and weight
may vary ±5%.

Deflection (kPa)

Product Code

thickness

Sheet size,
strand 0.70
width
1.18
0.88

FM 28

Notes

short way of mesh
(SWM)

When ordering please specify serrated or standard.

Kg/m2

Sheet Width*

Strand-

Fixing
Aperture
size Sheet Length* Material Thickness

4. Deflections in the tables refer to uniform
distributed loads causing a deflection of 10mm or
span/360, whichever is less.
5. Concentrated loads were applied through a
100mm diameter plate. They correspond to a
localised deflection of 10mm.
6. For large simple spans the load carrying capacity
is generally governed by deflection; for double and
triple spans by uniform or concentrated loads.
7. A load of 102kg approximates to 1kN. A load of
102 kg/m2 approximates to 1 kPa.

7

Weld to support steel or clamp as
shown below.
Continuous Angle
Top Clamp

Nut & Bolt

Bottom Clamp

Flormesh

Mastermesh® Expanded Metal
Stock Sheets

SD0608

SD0916

SD0912

Small Diamond Range
Nom. Mesh Dimensions
Product Code

Material

Nom. Strand Dimensions

LWM

SWM

Thickness

Strand
Width

Sheet Size
LWM x SWM

Approx. Wt
(kg/m2 )

Approx. %
Open Area

SD0608

Steel

6.00

3.50

0.60

0.76

1200 x 1200

2.02

57

SD0916

Steel

10.00

5.50

0.90

1.55

1200 x 1200

4.10

44

SD0912

Steel

15.00

5.50

0.90

1.17

1200 x 1200

3.00

58

Steel

28.00

9.00

1.60

1.60

1200 x 2400

4.40

65

LD1620

Steel

38.00

15.00

1.60

2.00

1200 x 2400

3.30

73

LD1621

Steel

50.00

19.00

1.60

2.10

1200 x 2400

2.30

77

Large Diamond Range
LD1616

LD3039

Steel

50.00

19.00

3.00

3.90

1200 x 2400

8.30

59

LD2028

Steel

60.00

25.00

2.00

2.80

1200 x 2400

3.50

77

LD3045

Steel

76.00

38.00

3.00

4.50

2400 x 1200

6.70

76

LD3056

Steel

102.00

50.00

3.00

5.60

2400 x 1200

5.70

77

Most of the above meshes can be supplied flattened (F). • Non-standard sheet sizes are available. Conditions apply.
• If you have a requirement not covered in this brochure, contact your nearest sales office (details on back cover) for assistance.
• Open area percentages are approximations only

LD1616

LD1620

LD1621

8

Mastermesh® Expanded Metal
Stock Sheets

LD3039

LD2028

LD3045

LD3056

Small diamond range – Miscellaneous

LD1621F – Air filters

9

LD3045 – Security cages

Mastermesh® Expanded Metal
Stock Sheets

Security Mesh
Product Code

Material

Nom. Mesh Dimensions

Nom. Strand Dimensions

LWM

SWM

Thickness

Sheet Size
Strand Width LWM x SWM

Approx. Wt
(kg/m2 )

Approx. %
Open Area

1200 x 2400

12.00

50

SM3030

Steel

19.00

12.00

3.00

3.00

SM3056

Steel

102.00

50.00

3.00

5.60

1800 x 750

5.70

77

SM3056

Steel

102.00

50.00

3.00

5.60

2000 x 800

5.70

77

SM3056

Steel

102.00

50.00

3.00

5.60

2000 x 1100

5.70

77

102.00

25.00

3.00

3.20

2400 x 1200

5.40

74

2400 x 1200

11.08

Decorative Mesh
DM3032

Steel

Sunscreen Mesh
SUN1663

SUN1611

Steel

Steel

76.00
75.00

16.00

30.00

1.60

6.30

1.60

10.50

2400 x 1200

9.68

• Non-standard sheet sizes are available. Conditions apply.
• If you have a requirement not covered in this brochure, contact your nearest sales office (details on back cover) for assistance.
• Open area percentages are approximations only

SM3030

SM3030 – Security doors

SM3056

SM3030 – Security gates

LD3056 – Security window/door grilles

10

22

30

Mastermesh® Expanded Metal
Stock Sheets

DM3032

DM3032 – Balustrade infill panels

SUN1663G

SUN1663 – Anti-glare screens

SUN1611G

SUN1611 – Car park screens

Information contained in this brochure is supplied in good faith and with the view to assist the user in the correct selection
of our products. While every care is taken to ensure that the information contained in this brochure is correct, no warranty
is made nor is any condition expressed or implied. As the use of products sold is beyond our control, a condition of purchase
is that the purchaser accepts responsibility for ensuring that products purchased are suitable for the intended use. NEPEAN
Building & Infrastructure is committed to continual product improvement and therefore reserves the right to change
details and designs without notice. © NEPEAN Building & Infrastructure, February 2013.

11

NEPEAN
Building & Infrastructure
HEAD OFFICE

VIC

NSW

171 Derrimut Drive
Derrimut VIC 3030
Australia

117-153 Rookwood Road
(PO Box 57)
Yagoona NSW 2199
Australia
P: + 61 2 9707 5000
F: + 61 2 9790 6145
E: bi@nepean.com
BRANCHES
NSW (COFFS HARBOUR)
47 Wingara Drive
(PO Box 396)
Coffs Harbour, NSW 2450
Australia

P: + 61 3 9394 1001
F: + 61 3 9394 1441
E: vic.bi@nepean.com
WA
98 Campbell Street
Belmont WA 6104
(PO Box 267
Cloverdale, WA 6985)
P: + 61 8 9478 1034
F: + 61 8 9277 7742
E: wa.bi@nepean.com
CHINA

P: + 61 2 6652 4100
F: + 61 2 6652 2285
E: coffs.bi@nepean.com
QLD
967 Nudgee Road
(PO Box 283)
Banyo QLD 4014
P: + 61 7 3633 1333
F: + 61 7 3633 1313
E: qld.bi@nepean.com

12F Digital Mansion
16 Huizhandonglu Road
Torch Zone, Zhongshan City
Guangdong Province
P.R. China 528437
P: + 86 760 8992 3558
F: + 86 760 8992 3559
M: + 86 159 1334 3700 (China)
M: + 61 419 782 122 (Australia)
E: nepean.asia@nepean.com
www.nepean.com
6766



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