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Finished mineral felt flat roof on a single-storey extension
Torch-On Felt Roofing

Felt Roofs in Buckinghamshire

Protect your extension or garage with a torch-on felt roof built up in bonded layers, or have a tired felt roof repaired, at a price fixed before we begin.

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Felt Roofing

Felt Roofs Built in Layers

Modern felt roofing has moved a long way from the thin sheets that once covered garden sheds. Torch-on felt is laid in two or three layers, each one heated so it bonds to the layer beneath, giving a thick, tough covering for a flat roof.

The top layer is a cap sheet with a mineral finish, which protects the felt below from sunlight and wear. It is a cost-effective covering that suits extensions, garages and dormers, and if one area is damaged later it can be repaired in sections.

If your existing felt is blistered, split or lifting at the edges, we can often repair it. Where it has failed across the whole roof, we replace it. To compare felt with the other materials we lay, see our flat roof options.

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Roofers laying a new felt flat roof on a commercial building
Roofer torching down a mineral felt cap sheet
Torch-on felt roll being heated onto a flat roof
Roofer sealing a torch-on felt joint with a gas torch
Felt Roofs: What's Included

What a Felt Roof Includes

Your quote lists every layer and detail of the new felt roof, from the deck up to the trims, so you know exactly which materials the price pays for.

  • Removal of the old felt and any loose chippings
  • Deck checked, with rotten boards replaced
  • Base layer bonded firmly to the prepared deck
  • Torch-on layers fused together for strength
  • Mineral cap sheet that resists sunlight and wear
  • Upstands and edge trims sealed against water
  • Repairs to blistered, split or lifting felt
Why Choose Us for Felt Roofs

Why Pick Us for a Felt Roof

Felt roofing is only as good as the bond between its layers and the care taken at the edges, which is where our attention goes on every felt roof we lay.

New felt roof on a single storey timber building

Felt Repaired or Replaced

We look at the whole roof first and tell you whether a targeted repair will hold or whether the felt has reached the end of its working life.

Layers Bonded Fully

Each torch-on layer is fused to the one below, so water has no gaps to track through and your extension stays watertight.

Callback the Same Day

Pass us your details or photos of the felt and you will hear back from our team the same day about what it needs.

Tidy From Start to End

We clear away the old felt and offcuts as we go and leave your property clean and tidy once the new roof is finished.

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Ring Royale Roofing Ltd, or leave your details for a quote.

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Reviews

Felt Roof Customer Reviews

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More Flat Roof Services

Other Flat Roof Services

Felt is one of several ways to cover a flat roof. Compare it with the other materials and services in this part of our work.

Flat Roofs by Royale Roofing LtdFlat Roofs
Rubber Roofs by Royale Roofing LtdRubber Roofs
Fibreglass Roofs by Royale Roofing LtdFibreglass Roofs

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Felt Roofs: How It Works

How a Felt Roof Goes On

The details change from roof to roof, but a new felt roof generally comes together in four stages.

1

Look & Quote

We inspect the felt, the deck and the edges, decide with you whether to repair or replace, and confirm the price in writing.

2

Prepare the Deck

Old felt is stripped, the boards are checked and any soft or rotten sections are replaced to give a firm, even base.

3

Torch on the Layers

The base layer and cap sheet are torched on and bonded, then the upstands, trims and outlets are sealed.

4

Final Look Together

Once the cap sheet is down and the offcuts are cleared, we review the completed work with you and confirm everything has been done as agreed.

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Felt Roofs FAQs

Felt Roof FAQs

What Is the Difference Between Felt & Rubber Roofs?

Felt is laid in several bonded layers with a mineral cap sheet on top, so it is thick and hard-wearing, and a damaged area can be patched. Rubber (EPDM) is one sheet with very few joints that stays flexible in hot and cold weather. Both suit most flat roofs, and we explain which fits yours.

Can Blistered Felt Be Repaired?

Small blisters, where air or moisture has lifted the top layer, can usually be cut out and patched with new felt bonded over the area. If blisters cover much of the roof, it often points to trapped moisture in the deck, and replacement is the better long-term fix. We check which applies to yours.

Why Is My Felt Roof Splitting?

Splits often appear where older felt has become brittle with age and sunlight, or where the deck beneath moves at the board joints. A single split can be repaired, but cracking in several places usually means the felt has worn out. We find the cause first, so the fix is not just a patch over the problem.

What Does the Mineral Cap Sheet Do?

The cap sheet is the top layer of a torch-on felt roof. Its mineral surface shields the layers beneath from sunlight, which would otherwise dry them out, and gives the roof a tougher face against weather and occasional maintenance visits. It also leaves the roof with a neat, even finish.

Is Felt a Good Choice for a Garage Roof?

Felt is a sound, cost-effective choice for garage roofs, as long as it is laid on a firm deck with a proper fall for rainwater. Because it is built up in layers, it stands up well to weather, and if a branch or ladder damages one area, that section can be repaired without replacing the whole roof.
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