Silcor® Top Coat 80

Two-part, UV-resistant protective coating

Product Description

A tough, fast-curing, non-slip, aliphatic polyurethane coating designed for protection of Silcor® membrane systems in exposed situations. Silcor Top Coat 80 is UV-resistant. It provides a durable, service foot-trafficable finish to roof and deck areas.


  • Simple application, easy to use and fast-cure
  • UV-resistant and foot-trafficable
  • Fast-cure — quick access for trades
  • Permanently flexible, total adhesion
  • Immediate resistance to rain damageOptionally available in a smooth, satin surface finish Silcor Top Coat 80 may be painted or tiled as required, after first sealing with Silcor Primer BW F100.

Silcor Top Coat 80 may be painted or tiled as required, after first sealing with
Silcor Primer BW F100.


Silcor Top Coat 80 is used for colour-stable, non-slip exposed areas on plant room and lift motor room, roofs, balconies, decks, perimeter turn-ups, penetrations and sill or window flashings

It may be used to give colour fast protection to ALL grades of Silcor waterproof membranes used in exposed external situations.


Surface of Silcor membrane must be clean and dry.


Mix each component separately with a clean stirrer blade, then combine together in a clean, dry container and mix thoroughly with low speed mixer for 5 minutes prior to application. Mix ratio - Resin : Hardener is 5:1 by weight.

Apply in two coats by brush or roller. Apply second coat in cross direction to the first to give a uniform finish.

For spraying use a single wet-on-wet spray application.

All chemical or solvent spills must be removed immediately and the area washed with detergent and water.

Do not use mixed product once it has become thick and stringy. It should be discarded. Do NOT add solvent.

Typical Properties

Colour Grey
Specific Gravity 1.1g / mL
Solid Content > 55%
Pot Life @ 20ºC 30 min
Mix Ratio (w/w) 5 : 1
Cross-cut Adhesion ASTM3359:2009 Rating 5A (no removal or coating)
QUV Accelerating Weathering, 2000 hrs ASTM G154:2006 No colour change/cracking/ blistering/delamination


Silcor Top Coat 80 – 0.3kg / m2 for minimum 0.15mm DFT.


Silcor Top Coat 80 Resin – 15kg pails

Silcor Top Coat 80 Hardener – 3kg pails

Clean Up

Use methylated spirits before curing. Exercise care when using solvents and review all Material Safety Data Sheet (MSDS) before use.

Shelf Life

Sealed pails have a shelf life of approximately 12 months at 25ºC, 60% RH, but once opened, may become solid.

Health and Safety

In case of spills and accidents, refer to the MSDS of the products or when in doubt contact your local GCP representative. Always wear protective clothing, gloves and protective goggles when handling chemical products. For full information, consult the relevant MSDS. | Thailand customer service: 66 2 030 9700

Australia 1800 855 525 New Zealand +64 9 448 1146 China Mainland +86 21 3158 2888 Hong Kong +852 2675 7898 India +91 124 402 8972 Indonesia +62 21 893 4260 Japan +81 3 5226 0231 Korea +82 32 820 0800 Malaysia +60 3 9074 6133 Philippines +63 49 549 7373 Singapore +65 6265 3033 Thailand +66 2 709 4470 Vietnam +84 8 3710 6168

We hope the information here will be helpful. It is based on data and knowledge considered to be true and accurate, and is offered for consideration, investigation and verification by the user, but we do not warrant the results to be obtained. Please read all statements, recommendations, and suggestions in conjunction with our conditions of sale, which apply to all goods supplied by us. No statement, recommendation, or suggestion is intended for any use that would infringe any patent, copyright, or other third party right.

Silcor is a trademark, which may be registered in the United States and/or other countries, of GCP Applied Technologies, Inc. This trademark list has been compiled using available published information as of the publication date and may not accurately reflect current trademark ownership or status.

© Copyright 2017 GCP Applied Technologies, Inc. All rights reserved

GCP Applied Technologies Inc., 62 Whittemore Avenue, Cambridge, MA 02140, USA

This document is only current as of the last updated date stated below and is valid only for use in Thailand. It is important that you always refer to the currently available information at the URL below to provide the most current product information at the time of use. Additional literature such as Contractor Manuals, Technical Bulletins, Detail Drawings and detailing recommendations and other relevant documents are also available on Information found on other websites must not be relied upon, as they may not be up-to-date or applicable to the conditions in your location and we do not accept any responsibility for their content. If there are any conflicts or if you need more information, please contact GCP Customer Service.

Last Updated: 2020-01-16