GRP fibreglass
- Flat roof
- 25–30+ years
- ££ Mid-range
Flat roofing · Flat roof system
A single sheet of synthetic rubber: flexible and very long-lasting.
About this roof covering
A tough synthetic rubber membrane, usually laid in one piece on smaller roofs. It stays flexible in heat and frost, copes with movement and has a long track record on flat roofs.
- Typical minimum pitch
- Flat roofs (laid to a fall)
- Typical lifespan
- 30–50 years
- Weight
- Very light
- Relative cost
- ££ Mid-range
- Style
- Modern · Flat roof system
Colours
- Black
Good for
Pros
- Very long life
- Flexible in all weathers
- Often a single sheet with no seams
Things to consider
- Plain black look
- Not ideal for regular foot traffic
Where you'll see it: Garages, extensions and outbuildings.
Figures are typical guides and vary by manufacturer and roof. We’ll confirm what suits your roof at a free inspection. The picture is an illustration.
Compare
Liquid rubber coating
- Flat roof
- 15–25 years
- ££ Mid-range
Single-ply membrane (PVC and TPO)
- Flat roof
- 25–30+ years
- £££ Higher
Torch-on felt
- Flat roof
- 20–30 years
- £ Budget
Book a free inspection, or send a few photos for a free online estimate. No deposit, and you only pay when the job is done.
- No depositPay on completion, once you’re happy
- Free inspectionWith a fixed, written quote
- 24/7 call-outsFor leaks and storm damage