Flat RoofingContractors

Flat roof systems

Torch-on felt roofing in Wath upon Dearne

We lay torch-on felt roofs in Wath upon Dearne for homeowners, landlords and commercial owners, using modern reinforced bitumen membranes in two or three bonded layers. A free survey comes first, then a fixed written quote. The work is done by vetted roofing teams working under S&K, with a fire watch after every torching session.

Roofer torching a slate-grey mineral cap sheet on a commercial flat roof behind edge protectionComputer-generated example image

Wath upon Dearne at a glance

Postcode districts
S63
Population
about 16,964 (GeoNames)
Council area
Rotherham Council
Building approval
Rotherham Council building control, or a registered building control approver
Nearest main town
Rotherham, about 5 miles
Guide price region
Yorkshire and the Humber (−5% on West Midlands rates)

Why choose torch-on felt roofing in Wath upon Dearne?

Torch-on is a good fit in Wath upon Dearne when the budget matters but quality cannot slip. Modern polyester-reinforced membranes typically last 15 to 25 years, high-performance systems longer, and manufacturer material guarantees are available on many specified systems, registered where the system allows.

Wath upon Dearne's flat roofs are mostly on 1960s and 1970s link-detached houses with flat-roofed garages and porches, with plenty on low-rise post-war blocks of flats too. England averages roughly 870 mm of rain a year; the Pennine side of Yorkshire is wetter and windier than the east, so we specify for the site rather than the county.

How much does a torch-on felt roof cost in Wath upon Dearne?

For Wath upon Dearne we use Yorkshire and the Humber rates: £1,450–£2,500 is the guide for a typical 18 m² garage roof in torch-on felt, VAT included. The fixed price comes after a free survey for new and replacement roofs.

JobGuide price inc VAT
Single garage (18 m²), torch-on felt£1,450–£2,500
Extension (20 m²), felt, new deck + insulation£2,550–£4,450
Block of flats (150 m²), felt + insulation + scaffold£14,750–£25,850
Single garage (18 m²), EPDM rubber£1,500–£2,650
Extension (20 m²), EPDM, new deck + insulation£2,650–£4,650

Is torch-on roofing safe, and what is the difference between two- and three-layer systems?

Yes, torch-on is safe when hot works are properly controlled, because most roof fires linked to torching start at hidden timber or debris near edges and upstands, not on the open roof. Our teams follow a hot-works routine on every job:

  • check eaves, fascias, soffits and wall cavities for timber, nests and debris before lighting a torch;
  • use a cold-applied or self-adhesive membrane, rather than a flame, at edges, against combustible materials and in tight details;
  • keep fire extinguishers on the roof and the gas bottles secured and away from the work;
  • stop torching well before the team leaves, then carry out a fire watch so smouldering is spotted while people are still on site.

As for layers, a two-layer system (underlay plus cap sheet) is common on domestic roofs such as garages and extensions. A three-layer system adds an intermediate sheet, giving more thickness and redundancy, and is often specified on larger, commercial and multi-occupied roofs. The right choice depends on the size and use of the roof and the system's requirements, so we set it out in the quote.

Near a boundary, the external fire performance of the tested build-up, such as a BROOF(t4) classification, can also matter, and we check it where it applies.

What's included?

  • Deck inspection with replacement of damaged boards
  • Two- or three-layer reinforced bitumen membrane with staggered laps
  • Strip-off of the existing roof covering and removal of waste
  • Vapour control layer and warm-roof insulation where needed

Building regulations in England

Replacing more than half of a flat roof over a heated room usually counts as renovating a thermal element, so the roof is insulated to around 0.16 W/m²K where that's technically and economically feasible, and the work is notified to building control: the council or a registered building control approver, unless a registered competent person self-certifies it. A roof on a new extension is built to 0.15 W/m²K. Patch repairs, and most unheated detached garages, don't trigger the upgrade. Structural changes, or a new covering that adds 15% or more to the roof's weight, also need approval. More on the rules.

Which nearby areas do we also cover?

Torch-on felt roofing in Wath upon Dearne: questions

Do you cover Wath upon Dearne?

Yes. Wath upon Dearne is part of our South Yorkshire coverage, including postcode districts S63. Surveys and roofs are carried out by vetted roofing teams working under S&K Property Investments and Improvement Ltd.

Who checks building regulations for a flat roof in Wath upon Dearne?

Where the work needs approval it goes to Rotherham Council building control, or a registered building control approver. We tell you at the survey whether your job needs it and deal with the paperwork as part of the quote.

How much does a torch-on felt roof cost in Wath upon Dearne?

£1,450–£2,500 for a typical 18 m² garage roof in torch-on felt, at Yorkshire and the Humber guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.

How long does it take to lay a torch-on felt roof?

A garage roof typically takes one to two days and an insulated extension two to three. Larger roofs and blocks are phased over longer, with each area made weathertight before the team leaves.

Can I paint or coat an old felt roof?

Reflective or liquid coatings can extend the life of a sound felt roof, but they will not fix wet insulation, a rotten deck or poor falls. A survey shows whether coating or replacement makes more sense.

Other flat roof work in Wath upon Dearne

Torch-on felt roofing in Wath upon Dearne: get a fixed price

Free survey and a written fixed quote for replacement and new roofs. No obligation.

Call usGet a guide price