9061 ALXS Caremaintenance

User Manual: 9061

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Care and Maintenance Instructions
for Alexseal® Premium Topcoat 501

®

1. Introduction

With proper care and maintenance, Alexseal Premium Topcoat 501 will withstand the
harsh marine environment. After application, it is important to maintain a yacht’s exterior
surface by keeping it clean and protecting it. Follow these care and maintenance
recommendations thoroughly for best results.

2. Washing

Rinse down the paint surface with clean fresh water every time the boat is used to remove
salt spray and dirt. A water softener may be needed to overcome hard water spots. A
buildup of hard water spotting can be confused with premature dulling of paint. A reverse
osmosis water supply may also be used to minimize water spotting.
The paint surface should be washed once a week using a mild detergent with a neutral PH
formulated specifically for paint finishes. Some detergents will strip waxes &
protective sealants off the surface. These should be avoided. Check the detergent label.
Do not use abrasive brushes, pads or cleaning agents on paint. These will scratch and
dull the finish. Use only soft clean wash mitts and brushes that are specifically designed
for washing painted surfaces.
Dry the surface to prevent water spots. Wherever possible, dry the surface with a quality
towel, chamois and / or a wiping blade. This will eliminate water spots.

3. Sealing and Protecting

It is recommended to apply a high quality wax or polymer sealer designed for surfaces
painted with polyurethane at least 2-3 times per year. This will act as a sacrificial coating
that will protect the paint and can dramatically improve the coatings life expectancy.

4. Important Notes

Many companies manufacture products for sealing and protecting painted surfaces. Only
use products that are specifically designed for surfaces painted with polyurethane. These
products should not contain abrasives or caustic chemicals.
Do not let moisture/water collect or be trapped between a Polyurethane Topcoat and
plastic film, shrink wrap, hardware, seat cushions, or wet fabric. Polyurethane topcoats
should not be continuously submerged under water. Moisture/water held against a
Polyurethane Topcoat even for a few days can result in bubbles forming in the
Polyurethane Topcoat.

5. Removing Stains

Remove stains from a polyurethane finish as soon as possible. Some stains can actually
etch the surface of the paint and embed into the coating. If a stain cannot be removed with
a mild detergent during the washing process, solvents may be used to loosen the stain.
Always start with mild solvents such as Mineral Spirits, VM & P Naphtha or Denatured
Alcohol. Harsher solvents such as Acetone and Lacquer Thinner should only be used as a
last resort. After removing the stain with solvent, wash the area with a mild detergent and
clean water to remove all solvent residues.

6. Removing Salt Residue

Remove dried salt residue by washing the surface with a warm water and white vinegar
solution. Dilute the white vinegar 1 : 1 with warm water and wash the surface. When
finished, rewash the surface with a mild detergent and clean water.

7. Detailing

Many surfaces on a boat will require minor detailing over time. This might include
removing mild overspray, light dust and tape lines from repainted panels or polishing an
aged surface to temporarily restore the luster. When such areas need detailing as part of
the initial application of the coating or periodically over time to repair fine scratches, use a
protective wax or polymer sealer to help maintain the gloss in detailed areas. Detailing
must be done by an experienced applicator either by hand, or slow speed polishing
machine, using an applicator pad recommended by the product’s manufacturer.

Professional Use Only

Page 1 of 2

The information contained in this data sheet is based on our level of research and development. Revisal by the user with regard to the
intended aim is necessary due to the diverse processing and application possibilities.
revision 2016

Mankiewicz Coatings
1200 Charleston Regional Pkwy
Charleston SC 29492, USA
Tel. +1 843 654 7755
Fax +1 843 654 7759

www.alexseal.com

Mankiewicz Gebr. & Co.
Georg-Wilhelm-Str. 189
D-21107 Hamburg
Tel. +49 (0) 40 75 10 30
Fax +49 (0) 40 75 10 33 75

Care and Maintenance Instructions
for Alexseal® Premium Topcoat 501
8. Buffing

Occasionally light buffing and or fine sanding with 1500-3000 grit and buffing may be
needed to restore or improve the finish. Buffing must be done by an experienced
applicator either by hand or slow speed buffing machine using a compound/polish and a
pad recommended by the product’s manufacturer. Use a protective wax or polymer sealer
to help maintain the gloss in the buffed areas. Avoid aggressive buffing which could
remove excessive coating from the surface and reduce durability of the paint.

9. Spot Repairs

Spot repairs must be done by an experienced applicator using a blend area and Blending
Solvent fog technique. A spot repair is used to repair a small area versus repainting the
entire surface. A 1500 - 2000 grit blending area will reduce a halo appearance where the
new coating overlaps the old coating. Use Alexseal® A5033 Blending Solvent to spray a
light mist or fog on this overspray edge to reduce the texture and aid in blending. Machine
buff the blended area to restore the gloss. Any buffing must be done by an experienced
applicator by hand or slow speed buffing machine using compound/polish and a pad
recommended by the product’s manufacturer. Applying a protective wax or polymer sealer
in this area will help maintain gloss and reduce the visibility of the repair.
Note: Some colors including reds, grays, gray blues and metallic’s are not repairable. To
avoid color change, testing on a small inconspicuous area is recommended.

10. Recommended Products

Listed below are some products designed for cleaning and maintaining painted finishes.
Other products may be suitable. Read all labels before using.

Washing:

ALEXSEAL® Premium Wash Down Concentrate A5005
3M Multi-Purpose Boat Soap
Aquatech 501 Boat Wash Concentrate
®
Boat Life Boat Soap
Liquid Glass Wash Concentrate
Meguiar’s Flagship Premium Marine Wash
Sudbury Boat Zoap

Sealing and Protection:

Use a UV stable polymer sealer or a non-abrasive wax which contains polymers designed
for paint.
ALEXSEAL® Premium Polymer Sealer A5010
3M Scotch Guard Liquid Wax (9061/9062)
Aquatech 201 Premier Polish
®
Liquid Glass Polish/Finish Meguiar’s Flagship Premium Marine Wax

Buffing:

3M Perfect-It Rubbing Compound (06085/06086)
by slow speed machine with foam pad or yellow bonnet
3M Imperial Compound and Finishing Material (6044 / 6045)
by slow speed machine with foam pad or yellow bonnet.

Polishing after Buffing:

3M Perfact-It Machine Polish (06064/06065)
By slow speed machine with Black Foam Pad (05725)
For dark colors: 3M Perfect-It Ultra-Fine Polish – (06068/06069)
by slow speed machine with 3M Blue Foam Pad (05733)
3M Finesse-It II – Finishing Material (5928 / 5929)
by hand or slow speed machine and foam pad
Contact Alexseal Yacht Coatings for further information.

Note: A coarse wool white buffing bonnet should not be used on polyurethane finishes. Use the finer wool yellow bonnet
specified above when a wool type buffing bonnet is necessary.

Professional Use Only

Page 2 of 2

The information contained in this data sheet is based on our level of research and development. Revisal by the user with regard to the
intended aim is necessary due to the diverse processing and application possibilities.
revision 2016

Mankiewicz Coatings
1200 Charleston Regional Pkwy
Charleston SC 29492, USA
Tel. +1 843 654 7755
Fax +1 843 654 7759

www.alexseal.com

Mankiewicz Gebr. & Co.
Georg-Wilhelm-Str. 189
D-21107 Hamburg
Tel. +49 (0) 40 75 10 30
Fax +49 (0) 40 75 10 33 75



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