A GRP fibreglass flat roof being installed
Your Local Roofers

Fibreglass (GRP) Roofs in Teesside & North Yorkshire

Want a flat roof you can forget about? GRP fibreglass gives you a seamless, hard-wearing finish — the same material trusted in boat hulls — installed across Teesside and North Yorkshire.

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01642 337663
Roofing Specialists

Quality fibreglass roofs across Teesside & North Yorkshire

Unlike felt or rubber, a GRP roof is not a layered covering. It is moulded directly onto the roof deck as a single, rigid, seamless surface with no joints or overlaps for water to find. Once cured it becomes part of the structure. The result is a flat roof that does not blister, crack, peel or shrink, and requires very little ongoing attention.

A GRP fibreglass flat roof being installed

15-Year Guarantee

Every roof we complete is backed by our written 15-year workmanship guarantee.

BBA Approved Materials

We fit BBA approved, industry-leading materials that meet the highest UK standards.

Experienced Team

Skilled roofers with over 50 years of combined experience on the tools.

Ideal applications for GRP

Flat roof extensions

One of the most popular choices for single-storey extensions, delivering a clean, long-lasting finish.

Bay window roofs

GRP moulds precisely around the angles and curves of a bay window, ideal for this notoriously awkward application.

Porch roofs

A hard-wearing, attractive finish for covered entrances that stands up to decades of exposure.

Garage roofs

The rigid surface handles occasional foot traffic for maintenance access without damage.

Dormer cheeks and roofs

A seamless weatherproofing covering for the flat sections of dormer windows.

Ready to get started?

Book a free, no-obligation site visit and quote across Teesside & North Yorkshire.

Call 01642 337663

Is fibreglass the right choice for your project?

GRP is an excellent system, but it is not right in every situation. It works particularly well where a long lifespan and minimal maintenance are priorities, where the roof has a complex shape, or where foot-traffic access is required. It may not be the best fit where the roof deck flexes significantly, where budget is the primary constraint, or on very large roof areas where EPDM may offer comparable performance at a lower cost. If GRP is not right for your project, we will say so.

Why homeowners choose us

  • 15-Year Guarantee. Every roof we complete is backed by our written 15-year workmanship guarantee.
  • BBA Approved Materials. We fit BBA approved, industry-leading materials that meet the highest UK standards.
  • Experienced Team. Skilled roofers with over 50 years of combined experience on the tools.
How It Works

How your fibreglass roofs project runs

A clear, proven process from first survey to final inspection, so you always know what happens next.

  1. 01

    Prepare the roof deck

    The existing surface is stripped back and a new marine-grade plywood deck is laid for a clean, stable substrate.

  2. 02

    Apply the fibreglass laminate

    Layers of glass fibre matting are saturated with catalysed resin and applied to the deck, bonding as they cure into a rigid, seamless surface.

  3. 03

    Sand and prepare

    Once cured, the surface is sanded to key it for the topcoat.

  4. 04

    Apply the coloured topcoat

    A UV-stable topcoat protects the laminate, provides the finish and seals the surface against weathering.

  5. 05

    Fit GRP trims and upstands

    All edges, upstands and abutments are finished with matching trims, completing the watertight seal.

A completed pitched roof by Roofing North East in the North East
Roofing North East

Trusted fibreglass roofs across Teesside & North Yorkshire

Fully insured, with over 50 years of combined experience, and every job backed by our written 15-year workmanship guarantee.

Roofing North East roofers at work on a roof in the North East
15YEAR
GUARANTEE
Why Choose Us

Roofers you can rely on

A family-run, fully insured team with over 50 years of combined experience, trusted across Teesside & North Yorkshire.

  • 15-Year Guarantee
  • BBA Approved Materials
  • Experienced Team
  • Free, No-Obligation Quotes
  • Local & Trusted
  • Fully Insured
FAQs

Roofing Questions, Answered

How long does a fibreglass roof last?

A correctly installed GRP roof typically lasts 25 to 40 years, and often longer. Lifespan depends heavily on installation quality, curing conditions and edge detailing. We install to the manufacturer’s specification on every project.

Can a GRP fibreglass roof be walked on?

Yes. The rigid cured surface handles occasional foot traffic for maintenance access without damage, a practical advantage over softer membrane systems.

Are there any disadvantages to fibreglass roofing?

GRP costs more upfront than felt or rubber and is less suited to roof structures that flex significantly. On very large areas, EPDM may offer comparable performance at a lower cost. We give you an honest recommendation for your project.

How does GRP compare to EPDM rubber roofing?

GRP offers a harder, rigid surface that excels on complex shapes and handles foot traffic well. EPDM is a flexible membrane that performs exceptionally on larger, simpler roofs and typically costs less per square metre. The right choice depends on your project.

What does GRP stand for and how does it work?

GRP stands for glass reinforced plastic. Layers of glass fibre matting saturated in polyester resin are applied directly to a prepared roof deck. As the resin cures, the layers bond together to form a single rigid, seamless surface, which is then finished with a UV-stable topcoat.

How much does a fibreglass roof cost?

GRP is a premium system and priced accordingly. Costs depend on roof size, complexity, access and the extent of deck preparation needed. We provide free site visits and detailed quotes before any work is agreed.