Flat roof extensions and garages are common across Crediton’s housing stock, particularly on the 1970s and 80s semis where rear extensions were added in subsequent decades. Crediton’s valley exposure and higher rainfall means flat roofs fail faster than in more sheltered locations. We install GRP and EPDM flat roofing across Crediton with 25-year material life and a 10-year workmanship guarantee. Call 01392 759 295.
Crediton’s position in the Creedy Valley creates higher annual rainfall than Exeter and surrounding towns. Flat roofs in this environment — particularly older felt systems — fail faster than their inland equivalents. The higher moisture load accelerates felt degradation and increases the frequency of joint failures. When a Crediton flat roof reaches end of life, upgrading to GRP fibreglass eliminates the joints and laps where failure begins.
For Crediton’s cob and heritage buildings with flat or low-pitch roof sections, we carry out a building fabric assessment before specifying any flat roofing system. Breathability is a critical consideration on cob buildings — an impermeable flat roof that traps moisture against an earth wall can cause structural damage over time. We specify the correct system for each building type.
Crediton receives measurably more annual rainfall than Exeter, and the Creedy Valley funnelling effect means precipitation arrives with more lateral force than on flat ground. Flat roof felt systems in this environment are subject to higher moisture load than their design specifications assume. The laps and joints that eventually fail in all felt systems fail faster in Crediton’s climate. GRP fibreglass, with its fully bonded seamless surface, eliminates this failure mechanism entirely and is our standard recommendation for Crediton flat roofing work.
Before installing any new flat roof system on a Crediton property, we assess the deck condition thoroughly. Post-war and 1970s extensions in Crediton frequently have deck boards that have been softened by previous felt failure. Installing GRP or EPDM over a compromised deck produces a surface that deflects under load, stresses the new covering, and fails prematurely. We include deck condition assessment and repair in every Crediton flat roofing quote — not as a variable extra but as a standard part of the specification.
Correct drainage design is more critical on Crediton flat roofs than on those in more sheltered locations. Higher annual rainfall means the drainage outlet must be sized correctly for the actual water load, and the fall toward the outlet must be sufficient to prevent ponding under Crediton’s rainfall intensity. We calculate falls and outlet sizing for each Crediton flat roof individually. Ponding water on a flat roof doubles the thermal cycling load on the membrane at the waterline — designing it out at installation saves the cost of early replacement.
Free survey and itemised quote — no call-out fee, no obligation.
📞 Call 01392 759 295“GRP on our 1980s rear extension in Crediton. Solid, well-finished and they understood the valley weather.”
“EPDM on our flat-roof garage. Quoted quickly, installed in a day. No issues after two wet winters.”
“Flat roof section on our heritage property. They assessed the building fabric first. Correct approach.”
GRP flat roofing from £900–£4,000 depending on size. Free survey and quote. Call 01392 759 295.
Higher annual rainfall increases the moisture load on flat roof coverings. GRP’s seamless surface handles this better than felt, which has joints and laps that degrade under repeated wetting.
We assess each building individually. On cob buildings we specify breathable systems where required to prevent moisture trapping against the earth wall.
A standard garage or extension flat roof is typically completed in a single day. Larger areas may take 2 days.
Yes — if the covering has localised failure we can carry out patch repairs. We advise honestly on whether repair or replacement is better value. Call 01392 759 295.
Yes — Sandford, Copplestone and surrounding EX17 villages. Call 01392 759 295 to confirm.
Yes — 10-year workmanship guarantee plus the material manufacturer’s warranty. Call 01392 759 295.
No call-out fee. No obligation. A local roofer who turns up when they say they will.
01392 759 295