Marshall Roofers
A new flat roof being laid on a brick extension above a garden

Staines-upon-Thames TW18

Flat Roofs in Staines-upon-Thames

New and replacement flat roofs on extensions, garages, dormers and porches, laid to fall so water actually leaves.

  • Local Staines-upon-Thames number
01784 775917

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Staines-upon-Thames and the surrounding area

Flat Roofs across Staines-upon-Thames and West London

A flat roof is not actually flat. It needs a fall of around 1 in 80 so rainwater runs to the outlet instead of sitting in a pool. We strip the failed covering, check and replace any soft decking, correct the fall with new firrings, and re-cover in GRP fibreglass, EPDM rubber or torch-on felt to suit the roof. Extensions, garages, dormers and porches are the usual jobs.

Getting the fall and the detailing right means the roof drains properly and stays watertight for the long term, not just until the next heavy downpour. A warm-roof build-up with upgraded insulation also makes the room underneath warmer and cheaper to heat.

Where an old roof has ponded we correct the firrings underneath rather than covering the problem over, and we talk you through which covering makes sense for your roof and your budget. The price is itemised and the site is left clean.

We work across Staines-upon-Thames and the TW18 postcodes in West London, including Sunbury, Ashford, Wraysbury, Chertsey and Shepperton. Ring 01784 775917 and you will get someone who knows the area.

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A finished grey GRP flat roof with a glazed lantern rooflight set into it

What you get

What flat roofs in Staines-upon-Thames includes

  • 1

    Strip and check the deck

    Strip the failed covering and check the deck underneath

  • 2

    Replace soft decking

    Replace soft or delaminated decking boards

  • 3

    Correct the fall

    New firrings where the fall needs correcting

  • 4

    Upgrade the insulation

    Insulation upgraded to current standards on a warm roof build-up

  • 5

    The right covering

    GRP fibreglass, EPDM rubber or torch-on felt, whichever suits the roof

  • 6

    New edges and outlets

    New drip trims, edge detail and outlet connections

The process

How flat roofs in Staines-upon-Thames normally runs

  1. 01

    Survey the roof

    Checking the fall, the outlet, the deck condition and where water has been sitting.

  2. 02

    Recommend a covering

    GRP, EPDM or felt, with the reason for the recommendation rather than a default.

  3. 03

    Strip and repair the deck

    Soft boards come out, firrings go in where the fall needs correcting.

  4. 04

    Lay the covering

    Trims and outlet detail first, then the membrane, finished in one visit where the weather holds.

FAQs

Flat Roofs in Staines-upon-Thames: what people ask

Do you cover Staines-upon-Thames?

Yes. Flat Roofs across Staines-upon-Thames and the surrounding TW18 area, including Sunbury, Ashford, Wraysbury, Chertsey and Shepperton. The local number is 01784 775917, answered 7am to 7pm, seven days a week.

How long does a flat roof last?

It depends on the covering and how well the roof drains. A well laid GRP or EPDM roof on a correct fall lasts considerably longer than felt, and a roof that ponds will fail early whatever is on it.

Can you go over the top of the old covering?

We would not recommend it. Overlaying hides a wet or soft deck and keeps whatever fall problem caused the failure, so the new covering tends to go the same way.

Which is better, GRP or EPDM?

GRP gives a hard, seamless finish and suits roofs with a lot of detail and trim. EPDM is a single rubber sheet with very few joins and handles movement well on larger, simpler roofs. The survey decides which fits your roof.

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Where we work

Flat Roofs across Staines-upon-Thames

Looking for a service other than Flat Roofs in Staines-upon-Thames TW18?

We cover the whole roof for our Staines-upon-Thames customers:

Not in Staines-upon-Thames? Still looking for Flat Roofs near you?

Including Walton-on-Thames, Maidenhead, Camberley, Feltham, Kingston upon Thames and Richmond and more:

We also cover flat roofs in Sunbury, Ashford, Wraysbury, Chertsey and Shepperton.

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