Silverseel GRP Fibreglass Roofing Kits (Dark Admiralty Grey, Fire Retardant, 20-Year Guarantee)

Product Overview

The Silverseel GRP Fibreglass Roofing System Kit  is a complete flat roofing solution designed for durability, fire resistance, and long-lasting performance. Supplied in Dark Admiralty Grey (BS18B25), this kit includes everything you need to create a seamless, high-strength GRP flat roof with a 20-year guarantee.

Tested to the highest fire rating (BS476 Part 3 FAA), Silverseel is ideal for domestic and commercial projects where safety and reliability matter.

Key Features

• Topcoat Colour: Dark Admiralty Grey (BS18B25)

• Fire Retardant: Contains FIRELOK®, tested to BS476 Part 3 FAA

• Guarantee: 20 years

• Durability: UV resistant, weatherproof, seamless finish

• Applications: Suitable for all flat roofs, balconies, and walkways

• Installation: Easy to apply with no specialist tools required

Why Choose Silverseel GRP Roofing?

• Creates a permanent, seamless membrane with no weak joints or welds

• Withstands foot traffic, heat, and weathering

• Fully approved to meet building control requirements for fire resistance

• Proven to outperform felt, bitumen, and other flat roof coverings

• Designed for both professional contractors and DIY installers

Technical & Safety Information

📄 Downloads & Data Sheets:

• Product Brochure

• Step-by-Step Application Guide

• Resin Data Sheet

• Topcoat Data Sheet

• Resin Safety Data Sheet

• Topcoat Safety Data Sheet

• Guarantee Document

✅ The Silverseel 40m² GRP Roofing Kit is the trusted choice for a long-lasting, fire-safe, and maintenance-free flat roof solution.

✅ Easy to use kits – designed with built-in allowances for overlaps and detailing
✅ Free CSM Tape – one roll with every kit (2 rolls on 50m² and above)

What’s Included in Each GRP Roofing Kit

Each kit contains resin, topcoat, fibreglass matting, hardener, tape, and mixing chart.

5m² Kit

• 10kg Resin

• 5kg Dark Grey Topcoat (BS18B25)

• 7m² Fibreglass Matting (450g)

• 300g Hardener

• 1 x 50m Roll of 75mm Tape

• Mixing Chart

10m² Kit

• 15kg Resin

• 5kg Dark Grey Topcoat

• 12m² Fibreglass Matting (450g)

• 400g Hardener

• 1 x 50m Roll of 75mm Tape

• Mixing Chart

15m² Kit

• 20kg Resin

• 10kg Dark Grey Topcoat

• 17m² Fibreglass Matting (450g)

• 600g Hardener

• 1 x 50m Roll of 75mm Tape

• Mixing Chart

(Full list continues up to 100m² kits – see details below for quantities.)

Free Roofing Toolkits

We also supply a free professional toolkit with every kit ordered, scaled to roof size:

Toolkit for 5m² – 15m²

• Medium Paddle Roller, Handle & Refills

• Medium Topcoat Roller Refills

• 2” Brushes (x2)

• Mixing Cup (385ml)

• 5L Buckets (x2)

• Plastic Mixing Sticks (x3)

• 50 Pairs Latex Gloves

• 2.5L Acetone

• Telescopic Pole

Toolkit for 20m² – 45m²

• Large Consolidation Roller

• Medium Roller Handles (x2)

• Resin Roller Refills (x4)

• Topcoat Roller Refills (x3)

• Brushes 75mm (x2)

• Mixing Cup (385ml)

• 5L Buckets (x5)

• Plastic Mixing Sticks (x3)

• 50 Pairs Latex Gloves

• 2.5L Acetone

• Telescopic Pole

Toolkit for 50m² and Above

• Large Consolidation Roller

• Large 10” Roller Handles (x2)

• Resin Roller Refills (x5)

• Topcoat Roller Refills (x3)

• Brushes 75mm (x2)

• Mixing Cup (385ml)

• 5.5L Buckets (x4) + 11L Buckets (x2)

• Plastic Mixing Sticks (x3)

• 50 Pairs Latex Gloves

• 5L Acetone

• Telescopic Pole

Why Choose Our Fire Rated GRP Roofing Kits?

• Certified to BS476 Part 3 FAB fire rating

• Designed for domestic and commercial roofing projects

• Suitable for flat roofs, garages, extensions, dormers and sheds

• High durability and weather resistance

• Simple installation with everything supplied in one kit

Available Kit Sizes

5m² • 10m² • 15m² • 20m² • 25m² • 30m² • 35m² • 40m² • 45m² • 50m² • 60m² • 70m² • 80m² • 90m² • 100m²

👉 If your project requires a fire-retardant GRP flat roof system, this is the perfect kit to order.

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.