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Flat roofing in Wigan for extensions, garages and porches

Flat roofs are common on house extensions, garages, porches and dormers across Wigan, and they take more punishment than a pitched roof because water has less help running off. If yours is leaking, ponding or showing cracks, our flat roofing in Wigan can repair it or replace it with a new waterproof covering.

Gaskell Roofing Ltd fits and repairs felt flat roofs and also installs fibreglass (GRP) roofs where a seamless finish suits the job. We will talk through the options with you and recommend what makes sense for the size of the roof, how it is used and your budget.

Felt or fibreglass: which flat roof is right for you?

Felt systems are a well-proven, cost-effective way to waterproof a flat roof, and they can be repaired in sections if the roof is damaged later. Fibreglass roofs are laid in one seamless sheet, which makes them a good choice for roofs with awkward shapes, upstands or edges where joins are the weak point.

In both cases the quality of the preparation matters as much as the material. We strip back failed coverings, check the deck and timbers, deal with any rot and make sure the roof has a proper fall so water drains away rather than sitting in pools.

  • Full flat roof replacement in felt or fibreglass
  • Repairs to split, blistered or ponding roofs
  • New edge trims, drip details and upstands
  • Re-sealing around roof windows and rooflights
  • Guttering and fascias to suit the new roof

Signs your flat roof is nearing the end

Look for ponding water that is still there days after rain, blistering or cracking in the surface, damp patches on the ceiling below and moss or weeds growing on the roof. If you can see any of these, it is worth having the roof checked before a small fault becomes a larger repair.

We cover flat roofing in Wigan and across Lancashire, and we are happy to quote for single garage roofs right up to whole extensions. Call 07535 670 455 or use our contact page to book a visit.

Need flat roofing in Wigan?

Call us on 07535 670 455 or send an enquiry for a no-obligation quote.

Request a quote

Flat roofing in Wigan: your questions answered

How long does a flat roof last?

A well-installed flat roof can give many years of service, but the exact lifespan depends on the materials, the preparation and how well the roof is looked after. We will explain what to expect for your roof when we quote.

Can a leaking flat roof be repaired instead of replaced?

Often it can, especially if the damage is local to a split, a joint or an edge. If the covering is worn out across the whole roof, replacement usually gives better value, and we will say so.

Do you install fibreglass (GRP) roofs?

Yes. We fit seamless fibreglass flat roofs as well as traditional felt, so you can choose the finish that suits your property.

How long does a flat roof replacement take?

Most garages and small extensions take a few days, depending on the weather and any repairs needed to the deck. Larger roofs take longer, and we will give you a realistic timescale with the quote.