GRP Roofing Topcoat /Free Catalyst

GRP Roofing Topcoat / Free Catalyst – Trade Grade Finish

Our Trade Grade GRP Roofing Topcoat is a premium dark grey finishing coat designed specifically for fibreglass (GRP) flat roofing systems. Formulated for durability, weather resistance, and long-term performance, this topcoat delivers a smooth, professional, waterproof finish trusted by both trade installers and DIY users.

Suitable for new installations and refurbishments, it bonds seamlessly to cured laminate surfaces, providing outstanding UV stability and protection against cracking, peeling, and water ingress.

Key Features

1. Made for GRP Roofing – Ideal for sealing and finishing fibreglass roofs
2. Premium Quality Finish – Long-lasting, weatherproof and UV resistant
3. Dark Grey Colour – Clean, modern appearance to suit all roof types
4. Free Catalyst Included – Ready to mix and apply
5. Available in 5kg / 10kg / 20kg for projects of all sizes
6. Easy Application – Apply with brush or roller; cures tack-free
7. Trade Tested & Proven – Used successfully in thousands of GRP installations

Why Choose Our GRP Roofing Topcoat?

This topcoat is engineered for maximum roof protection and is widely trusted across the GRP industry. Its strong adhesion, smooth curing, and resilience to extreme weather make it a reliable choice for long-term roofing durability. With free catalyst included, it offers excellent value and consistent performance.

Here are 5 more great reasons to buy from us:

Returns are easy, if the items are�unopened and unused�then simply�contact us�for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down.

We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.

Ordering from APEX Fibreglass Roofing Supplies is 100% safe and secureso you can rest easy. Your personal details are never shared, sold or rented to anyone either.

Here are 5 more great reasons to buy from us:

Returns are easy, if the items are�unopened and unused�then simply�contact us�for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down.

We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.

Ordering from APEX Fibreglass Roofing Supplies is 100% safe and secureso you can rest easy. Your personal details are never shared, sold or rented to anyone either.