Flat roofs · Lancashire
Flat roof repairs across Lancashire
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- Towns across Lancashire
Flat roof over the extension leaking into the room below, or puddles that never dry? If the deck underneath is sound it can often be repaired; if it isn’t, it’s replaced in felt or fibreglass (GRP). Peak Roofing covers Leyland, Blackburn, Lancaster, Blackpool and the rest of our Lancashire area.
Flat roofs, in short
If the deck underneath is sound, a leaking flat roof can often be repaired. If it’s rotten or the covering has had its day, the roof is stripped and a new one goes on, in felt or fibreglass, with new edge trims. You get the options and the price before any work.
Our work
Recent flat roof jobs
Fibreglass and felt flat roofs on dormers and extensions. See more of our roofing work
What to look for
Signs your flat roof is failing
- A leak into the room belowOften a bedroom over an extension, or a bay window.
- Puddles that stay after rainStanding water finds every joint and weak spot.
- Cracked, blistered or split feltOld felt dries out in the sun and splits.
- A soft or spongy deckThe boards underneath have taken on water.
- Rotten edges and trimsWater getting in at the roof edge and fascia.
- Moss and plants on the roofA sign of standing water and an ageing surface.
What our flat roofing covers
- Flat roof repairs
- Felt flat roofs
- Fibreglass (GRP) roofs
- New timber decks
- Edge and drip trims
- Lead flashing at walls
- Extensions and garages
- Dormers, bays and porches
Flat roof repairs in Lancashire, or a new flat roof?
Not every leaking flat roof needs replacing. If the deck is sound and the problem is in one area, a repair can do the job. When the covering is cracked all over or the boards are soft, a new roof is usually the better option, and we’ll explain why.
Felt or fibreglass
A felt roof is laid in overlapping layers and finished with a mineral surface, with metal trims at the edges and lead flashing where it meets a wall. A fibreglass (GRP) roof is resin and glass matting laid over a new timber deck and finished with a top coat, so there are no seams across the roof. We’ll tell you which suits your roof.
Extensions, garages, dormers and porches
Flat roofs are usually on single-storey extensions, garages, dormers, bay windows and porch canopies. Where a flat roof meets a wall, the detail at the wall matters as much as the roof itself. For leaks elsewhere, see roof leak repair; for the main roof, see roof repairs.
How flat roof prices work
Flat roofs are priced on size, the deck, the covering, the edges and access. You get the price before we start, with no obligation.
Questions
Flat roof questions
Is a fibreglass (GRP) flat roof any good?
GRP is widely used on domestic flat roofs. Laid over a sound timber deck, it has no seams across the roof for water to find. We’ll explain the options for your roof.
Can a flat roof be repaired, or does it need replacing?
If the deck is sound and the damage is local, a repair can work. If the covering has failed all over or the deck is soft, a new roof is usually the better option.
Can a new flat roof go over the old one?
Stripping the old covering means the deck can be checked and replaced where it’s rotten, which an overlay would hide.
How much does a flat roof cost?
It depends on the size, the deck, the covering and access. You get the price before any work. The quote is free.
Do you do fibreglass (GRP) roofs?
Yes, as well as felt. Fibreglass is laid over a sound timber deck and finished with a top coat.
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