GRP Flat Roofing · Leeds & Surrounding Areas

GRP Flat Roofs in Leeds & Surrounding Areas

Seamless fibreglass flat roofing for extensions, garages, outbuildings and flat roof sections — durable, waterproof and designed for long-term protection

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Premium Quality Materials Built for long-term durability

Hemsworth & 10 Mile Radius Local West Yorkshire coverage

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Seamless Fibreglass Roofing

One Continuous Waterproof Surface

GRP — Glass Reinforced Plastic, commonly known as fibreglass — is one of the most popular and durable flat roofing materials available. A GRP flat roof creates a completely seamless, waterproof surface with no joints or seams that can fail, and when installed correctly, has a design life of 25 years or more.

FJJ Roofing installs GRP flat roofs across Leeds and surrounding areas for extensions, garages, outbuildings and flat roof sections.

GRP is applied in liquid form and cures to a hard, rigid surface — bonding completely with the decking beneath it and creating a monolithic waterproof membrane. It can be walked on, it's resistant to UV, it won't crack in frost and it requires virtually no maintenance.

What We Offer

Complete GRP Flat Roofing Solutions

From new installations and full replacements to trims, drainage outlets and repairs, every part of the GRP roof is installed as one complete waterproof system.

New GRP Flat Roofs

New GRP fibreglass flat roofing systems installed to create a seamless waterproof finished surface.

GRP Roof Replacement

Existing flat roofing removed or replaced with a complete GRP roofing system.

Extensions & Garages

GRP flat roofing installed on extensions, garages, outbuildings and other flat roof sections.

Trims, Edges & Upstands

GRP trims, roof edges and upstands installed as part of the complete waterproof roof detail.

Roof Drainage Outlets

GRP roof drainage outlets incorporated into the roofing system to direct rainwater away correctly.

Existing GRP Repairs

Existing GRP flat roofs inspected and repaired where localised damage or failure has developed.

GRP Over Existing Felt

GRP installed over existing felt flat roofing where the roof condition makes this an appropriate solution.

Is GRP Right For Your Roof?

When To Consider A GRP Flat Roof

GRP is designed for flat roofing where a seamless, durable and low-maintenance surface is required, whether you're replacing a failing roof or building something new.

New Flat Roof

You need a new flat roof for an extension, garage or outbuilding.

Existing Roof Failing

Your existing flat roof is leaking, deteriorating or beginning to fail.

Low-Maintenance Solution

You want a long-lasting flat roof system that requires very little ongoing maintenance.

New Extension

You're building a new extension and want a durable modern flat roofing system installed.

Why FJJ Roofing

Seamless Starts With Proper
Preparation

GRP installed correctly is one of the most reliable flat roofing systems available. The finished surface has no joints or seams that can become weak points.

FJJ Roofing installs GRP flat roofs to the correct specification — preparing the decking properly, installing the trims correctly and creating one complete watertight surface.

GRP Roofing Standard 04

Preparation