GRP Fibreglass Flat Roofs In Hertford
Hertford's outer estates have plenty of post-war and newer homes with flat-roofed extensions, and some of those roofs do more than keep the rain off. Where a roof carries a lantern, gets walked on or has awkward corners, GRP fibreglass is a strong option, laid as a liquid and setting into one hard, seamless surface.
Options for your roof
We install and repair across all major options to suit your home and budget.

Dark blue GRP on terrace
Seamless GRP fibreglass system with non-slip finish laid across a walk-on terrace.

Light grey GRP roof
Monolithic light grey GRP fibreglass flat roof installed with perimeter upstands and trims.

GRP garage roof
Ultra-durable GRP fibreglass coating applied to a residential flat garage roof.
Where we use GRP in Hertford
Extensions with roof lanterns, dormer tops, small terraces and roofs with several pipes and upstands are where GRP earns its place. Glass-reinforced polyester is built up on a new deck: we lay glass fibre matting, wet it out with resin and roll it so it bonds into a single solid layer that wraps around details without joins. A pigmented topcoat then seals and protects it. Edge trims are bonded in for a crisp finish. For a roof you will step onto, we can add an anti-slip texture to the topcoat. On period homes in Bengeo, a small GRP dormer roof can be finished in grey to sit quietly beside slate.
Every job starts with a free survey and a written quote. Call 01279 294082 or book online.
Arrange a free grp fibreglass flat roofs survey in HertfordRelated guide: EPDM vs GRP vs felt: which flat roof is right for your home?Practical points for Hertford homes
Resin needs dry weather to cure properly, so we schedule around the forecast. If your home is listed or in the central conservation area, a visible change to a dormer or rear roof may need consent, which we check first. New GRP roofs are covered by our 10-year guarantee.


The Benefits Of Our GRP Fibreglass Flat Roofs
Seamless glass-reinforced plastic
Impact & foot traffic resistant
Available in charcoal & slate finishes
Our 6-Step Process
From initial inspection to signed-off guarantee, every stage is transparent.
Free survey
We survey the roof and check the decking.
Written quote
You receive a fixed written quote.
Prepare and protect
We set up protection and a clean OSB3 deck.
The main work
We lay the resin and matting and apply the non-slip topcoat.
Finishing details
Trims and drainage details are finished off.
Clean-up and sign-off
Once cured and inspected, we tidy up and sign off.
Free Written Quote After A No-Obligation Survey
We survey your roof in Hertford, assess the work needed, and provide a fixed, itemised written quote. The price we quote is the price you pay — no hidden extras, no large upfront deposits.
Get a Free QuoteWhat's included
- Seamless glass-reinforced plastic
- Impact & foot traffic resistant
- Available in charcoal & slate finishes
- Free written quote after a no-obligation survey in Hertford
EPDM vs GRP vs felt: which flat roof is right for your home?
EPDM rubber, GRP fibreglass and modern felt all make good flat roofs when they are fitted well. Here is how they differ, and how to pick the right one for your garage, extension or dormer.
GRP Fibreglass Flat Roofs in Hertford — Your Questions
Everything you need to know about our grp fibreglass flat roofs service across Hertford and Hertfordshire.
Trusted by homeowners in and around Hertford
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Other Roofing Services In Hertford

New Roofs in Hertford
Complete pitched and bespoke roof installations using high-grade slate, tile, and modern breathability systems with a 10-year guarantee.

EPDM Flat Roofs in Hertford
Seamless synthetic rubber roofing with exceptional weathering resistance, a long-lasting, leak-free jointless membrane.

Felt Flat Roofs in Hertford
Multi-layer high-performance torch-on polyester bitumen membranes engineered for long-lasting, cost-effective flat roof protection.

Roof Repairs in Hertford
Rapid diagnostic and targeted fix service for storm damage, missing tiles, ridge recapping, flashing leaks, and chimney repointing.
Start Your Free Quote
Tell us a little about your roof and we will call you back to arrange a free survey and a fixed written quote.
A survey you can trust
- Free written quote after a no-obligation survey.
- 10-year written guarantee on new roofs.
- Checkatrade approved and fully insured.
- Emergency repairs available for storm damage and leaks.
Prefer to speak right now?
01279 294082Get A Free Quote For GRP Fibreglass Flat Roofs In Hertford
Speak to our team today. We provide a free, no-obligation on-site survey in Hertford and a fixed written quote.
