Flat roof and parapet sealed with torch-on waterproofing

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Torch-on Waterproofing

Keep the rain on the outside.

Torch-on Waterproofing & Rubberiser

Keep the rain on the outside.

Torch-on waterproofing and rubberiser for flat roofs, parapet walls, balconies and box gutters. A leaking roof rarely stays a small problem: water soaks into ceilings, stains walls, rots roof timbers and brings damp and mould into the home. We seal the surface so rainwater runs off instead of finding its way inside.

Key benefits

  • Torch-on membrane for flat concrete roofs and parapets
  • Rubberiser coating for edges, joints and awkward details
  • Balconies, box gutters and roof leaks
  • Surfaces cleaned and prepared before sealing
  • Stops damp, stains and mould before they spread
Flat roof and parapet step sealed with torch-on waterproofing, beside a timber deck

How we waterproof

The right seal for each surface.

01

Torch-on membrane

Rolls of bitumen membrane are heated with a gas torch so they melt onto the roof and bond firmly. Each roll overlaps the last, leaving one continuous waterproof layer.

02

Rubberiser

A liquid rubber coating brushed or rolled on in layers. It stays flexible as the roof heats and cools, which makes it ideal for joints, edges and around fittings.

03

Preparation first

The surface is cleaned, loose material removed and cracks filled before anything goes down, so the waterproofing bonds to a sound base.

04

Details sealed

Parapet walls, upstands, outlets and corners are where leaks usually start. We take the waterproofing up and around them so water has nowhere to get in.

Gallery

The finished look.

Project videos

Waterproofing on site.

Filmed by our team on real jobs.

Torch-on waterproofing, flat roof
Torch-on membrane delivered to site

FAQ

Torch-on Waterproofing: questions answered.

What is torch-on waterproofing?

Torch-on is a bitumen membrane supplied in rolls. It is heated with a gas torch as it is laid, so it melts onto the roof surface and bonds in place. The overlapping rolls form one continuous waterproof layer.

What is rubberiser?

Rubberiser is a liquid rubber waterproofing coating applied by brush or roller. It stays flexible, so it suits joints, edges, small roofs and areas where a membrane is hard to fit.

Which surfaces can you waterproof?

Flat concrete roofs, parapet walls, balconies, box gutters and other areas where water sits or runs.

My roof is leaking. Can you help?

Yes. Send us photos of the roof and the damp patches inside via WhatsApp and we will advise on the best way to seal it.

Related services

Complete the look.

Free quote

Get a quote for torch-on waterproofing.

Send us your details and a few photos. We will come back to you with a free quote.