★★★★★
“They came out the same day, found the problem straight away and had it fixed before the rain came back. Honest price and very tidy. Highly recommended.”
Formby
Flat Roofs — Formby, L37
Flat Roofs in Formby — Choosing the Right System
Flat roofs appear on a wide variety of Formby properties — garage roofs, rear extensions, bay windows and dormer tops are the most common. The material used for a flat roof has a significant bearing on how long it lasts and how much maintenance it requires, and the choice has expanded considerably over the past two decades. We install and repair all three principal flat roofing systems: traditional bitumen felt, GRP fibreglass and EPDM rubber.
GRP (glass reinforced plastic) fibreglass flat roofing is our most commonly installed system for new installations in Formby. It is a seamless, one-piece membrane that is extremely durable, carries no standing seam joints where water can penetrate, and when installed correctly will last twenty-five years or more with very little maintenance. It is also visually clean — the smooth, hard surface looks more intentional than traditional felt and holds up well over decades. For garage roofs, extensions and bay tops in Formby, it is generally the best long-term value.
EPDM rubber flat roofing is an alternative that performs similarly to GRP in terms of lifespan and waterproofing integrity. It is a single-ply rubber membrane bonded to the deck, and it handles thermal movement (the expansion and contraction caused by temperature variation) particularly well. For larger flat roof areas where thermal stress is a greater factor, EPDM can be the better choice. We advise on which system is most appropriate after assessing the specific roof.
Traditional bitumen felt remains a viable option for smaller or lower-budget applications. Modern torch-on felt systems perform considerably better than the older cold-pour felts they replaced, and for a straightforward garage roof in Formby they represent a sound and economical choice. We also repair existing felt roofs where the deck is sound and a full replacement is not yet needed.
📞 Call for a free quoteGRP, EPDM and felt systems
We install all three principal flat roofing systems and advise honestly on which is most appropriate for the specific application and budget.
Seamless GRP installations
Our GRP fibreglass installations are a single seamless membrane — no joints, no seams, no weak points. The most durable option for most Formby flat roofs.
Full deck inspection before quoting
The condition of the existing deck determines whether a new system can be laid over or a full replacement is needed. We inspect before we quote.
10-year written guarantee
Every flat roof installation and repair is backed by our written guarantee.
Common questions
Flat Roofs — What People Ask
What is the best flat roofing material for a Formby property?
For most applications — garage roofs, extensions, bay tops — GRP fibreglass offers the best combination of durability, longevity and maintenance-free performance. EPDM is an excellent alternative for larger areas. We advise specifically after assessing the roof.
How long does a GRP flat roof last?
A correctly installed GRP fibreglass roof should last 25 years or more. The key word is correctly — GRP installation requires specific skills and materials, and a poorly installed GRP roof will fail prematurely. We have been installing GRP for many years and carry the appropriate materials and equipment.
My felt flat roof is leaking — do I need a full replacement?
Not necessarily. If the deck is sound and the leak is localised, a repair may be the right option. If the felt has reached the end of its serviceable life or the deck has been damaged by water ingress, a full replacement is more economical. We will inspect and advise honestly.
How long does a flat roof installation take?
A standard garage or extension roof typically takes one to two days for a GRP or EPDM installation. We will give you a specific timescale after assessing the job.