Fibreglass resin is widely used in roofing repair, providing you with low styrene emissions and brilliant results in just a short amount of time. The low viscosity of fibreglass roof coating offers a fast wet out and an ideal working environment for your roofing project. Apex Fibreglass Roofing Supplies offers a wide range of products for your fibreglass roof coating project, from general purpose to fire retardant resins.

Our fibreglass roof paint comes in a variety of sizes, so you can ensure you have enough for your project regardless of size. Our fibreglass resin roof coating is perfect for carrying out your own roofing repairs as a homeowner and for professional roofers looking for high quality, reliable fibreglass roof topcoats and flowcoats to use on a regular basis.

Due to the innovative polyester that’s fibreglass resin, it’s far stronger than other resins, giving it the capacity to easily withstand fluctuations in hot and cold temperatures. This strength even means our polyester fibreglass resin can aid your flat roof to withstand light footfall, as well as ensuring it’s maintained in excellent condition with minimal effort.

You can find an extensive range of fibreglass roof flowcoats and topcoats at Apex, including coloured gelcoats and topcoats that allow you to both ensure your flat roof is well sealed and looks exactly how you want it to. Our resin roof paints have been chosen due to their effectiveness and value, and at Apex Fibreglass Roofing Supplies, our friendly and professional team are on hand to help you find the most effective fibreglass resin for your needs.

Browse our wide range of fibreglass roof paint to find the right product for you. If you’re unsure, simply give us a call on 0800 612 7903.

Frequently Asked Questions

1. What is a GRP roofing topcoat?

A GRP (Glass Reinforced Plastic) roofing topcoat is the final protective layer applied over fibreglass roofing systems. It enhances durability, waterproofing, and UV resistance, while providing a smooth, long-lasting finish.

2. What topcoats are available at Apex Fibreglass Roofing Supplies?

We currently offer:

• GRP Roofing Topcoat (Dark Grey/Mid Grey) – A high-quality, durable topcoat designed for fibreglass flat roofing applications.

• Cure It Graphite Grey Roofing Topcoat – A weatherproof, seamless topcoat specifically for Cure It GRP roofing systems, offering long-lasting performance in Graphite Grey.

3. Does the Cure It Graphite Grey Roofing Topcoat come with a catalyst?

No, the Cure It Graphite Grey Roofing Topcoat does not include a catalyst. If you need a Cure It hardener, you will need to purchase it separately.

4. Can I use the Cure It Graphite Grey Roofing Topcoat on any fibreglass roof?

This topcoat is formulated for Cure It GRP roofing systems. While it may adhere to other GRP surfaces, for the best results, it is recommended to use it within the Cure It system.

5. How long does a GRP topcoat take to cure?

Curing time varies depending on temperature and humidity, but most GRP topcoats take around 4-6 hours to cure at 15-20°C.

6. Can I apply GRP topcoats with a spray gun?

No, GRP topcoats should be applied with a brush or roller. They are not designed for spray application.

7. How often should I reapply a GRP topcoat?

A properly applied GRP topcoat can last over 20 years with minimal maintenance. If you notice fading, surface wear, or damage, consider reapplying a fresh layer.

8. Do you offer fire-retardant GRP topcoats?

Currently, we do  stock a large range of fire-retardant GRP topcoats, And we do offer high-quality, weather-resistant topcoats that ensure long-term protection.

9. Do I need to mix anything with the a Roofing Topcoat before applying?

Yes, you need to add  catalyst @ 2% before application. Make sure you purchase the correct catalyst separately to ensure proper curing and performance.