A clean EPDM flat roof on a modern rear extension with neat upstands and trims — Flat Roofing (EPDM, GRP & Felt) in Winchester
Winchester, Hampshire·Flat Roofing

Flat Roofing (EPDM, GRP & Felt) in Winchester

EPDM rubber, GRP fibreglass and felt flat roofing for extensions, garages and outbuildings, laid to the correct fall to stop water pooling.

Flat Roofing (EPDM, GRP & Felt) in Winchester

Winchester customers looking for flat roofing (epdm, grp & felt) turn to Hampshire Roofing. A flat roof is never actually flat — it needs a shallow fall built into the structure or firrings to shed water towards an outlet or gutter, and getting that fall wrong is the single biggest cause of a flat roof failing early through standing water and ponding. The three most common coverings each behave differently: EPDM (a single-sheet rubber membrane) is fitted with very few joints and copes well with movement; GRP (fibreglass, laid as a liquid resin that cures solid) gives a seamless, walkable surface well suited to roof terraces; and felt (built up in layers, either torch-applied or cold-adhered) remains a proven, cost-effective option when installed correctly with the right number of layers and properly dressed upstands and trims. Whichever covering is chosen, the detailing at upstands, rooflight kerbs and outlets is where most flat roofs actually fail if it is rushed. As Hampshire's historic county city, Winchester's Cathedral Close and medieval street pattern sit within a substantial conservation area with a high concentration of listed buildings, where natural slate and traditional clay tile are typically expected over concrete alternatives. The Victorian and modern suburbs that ring the historic centre carry none of that constraint, giving a genuinely different material and access conversation depending on which side of the city a property sits.

Why Choose Hampshire Roofing in Winchester?

Hampshire Roofing brings the same standard of flat roofing (epdm, grp & felt) to every property in Winchester, Hampshire. EPDM rubber, GRP fibreglass and felt flat roofing for extensions, garages and outbuildings, laid to the correct fall to stop water pooling.

Key Benefits

  • Correct fall calculated and built in to prevent standing water and ponding
  • Covering matched to how the roof is used — EPDM, GRP or felt each suit different situations
  • Careful detailing at upstands, outlets and rooflight kerbs, where flat roofs most often fail

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Also covering nearby: Chandler's Ford, Stockbridge, Twyford

Flat Roofing (EPDM, GRP & Felt) in Winchester — FAQ

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