TNR Roofing Services
Roofer in a hard hat torching down felt on a flat roof, Welwyn Garden City
Felt roofing ยท Welwyn Garden City

Felt Roofing in Welwyn Garden City

Felt flat roofs in AL7 and AL8 repaired or re-felted in torch-on layers, with every quote based on a free survey.

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Felt Roofing in Welwyn Garden City

Torch-On Felt Roofing in Welwyn Garden City

A garage or extension roof is easy to forget until water comes through. TNR Roofing Services repairs and replaces felt roofs in Welwyn Garden City, bonding a base sheet to the deck and a mineral cap sheet over it, so the finished roof is far tougher than the single sheet found on many older garages.

Our felt roofers serve homes and commercial properties in AL7 and AL8 from Hemel Hempstead. If your home is listed or in a conservation area, Welwyn Hatfield Borough Council can confirm any rules on changes to the roof, and our free survey sets out exactly what the work involves.

Get a Free Quote Call 01707 229507
Gas torch heating a roll of torch-on felt as it is laid

Reviews

Reviews from Customers across Hertfordshire

What homeowners and businesses say about TNR Roofing Services, roofers covering Welwyn Garden City and the rest of Hertfordshire.

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Roofer rolling out torch-on felt on a flat roof

What's included

Our Felt Roofing Services in Welwyn Garden City

The main parts of the job, each listed in your quote.

  • New torch-on felt roofs laid in bonded layers, with a base sheet on the deck and a mineral cap sheet on top.
  • Splits, blisters and lifted laps in existing felt patched with matching material before water reaches the deck.
  • Perished felt stripped back to the deck, with soft or rotten boards replaced so the new layers have a firm base.
  • Garage, shed and outbuilding roofs re-felted to keep vehicles, tools and stored items dry.
  • Felt dressed up walls and around roof lights and outlets, finished with drip trims that shed water into the gutter.
  • Felt roofs for shops, workshops and other commercial premises, with work arranged around opening hours where possible.
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More about our felt roofing service

Free Felt Roofing Quotes in Welwyn Garden City

Free, no-obligation quotes for felt flat roofing in Welwyn Garden City and across Hertfordshire.

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Pricing

How We Price Felt Roofs in Welwyn Garden City

Felt roof quotes in Welwyn Garden City reflect these factors, all looked at during your free survey:

  • The number of felt layers specified, from a two-layer system to a heavier three-layer build-up
  • How much old felt and loose chippings need stripping and taking away
  • The condition of the deck boards and how many need replacing before the new felt goes down
  • Upstands, abutments, roof lights and outlets that the felt has to be dressed around
  • Safe access to the roof, such as a tower or scaffold on a taller extension
Roofer sealing the seams of mineral felt on a flat roof

How it works

What to Expect When We Re-Felt in Welwyn Garden City

What happens from your first call to the finished work.

  1. Free Survey and Deck Check

    We look for splits, blisters, lifted laps and standing water on the existing felt, and test the deck for soft or sagging areas, so the quote reflects what is really there.

  2. Stripping and Priming

    Old felt and loose chippings are removed, rotten boards are replaced, and the deck is cleaned and primed so the new layers bond firmly.

  3. Torching on the Layers

    The base sheet is torched onto the deck, then the mineral cap sheet is bonded over it with the laps staggered so no joint sits above another.

  4. Edges, Upstands and Handover

    Felt is dressed up walls and finished at the drip trims and outlets. We clear old felt and offcuts from site, then review the completed work with you and confirm everything has been done as agreed.

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FAQs

Frequently Asked Questions

What are the signs a felt roof is failing?

Splits, blisters and laps lifting at the edges are the early signs. Standing water after rain, damp patches on the ceiling below and a deck that gives underfoot suggest the problem has gone further.

Is felt or GRP better for my extension?

Felt usually costs less to install and suits an extension roof that nobody walks on. GRP costs more but generally lasts longer and copes with foot traffic. We lay both and explain the trade-offs at the survey.

Does Welwyn Hatfield Borough Council need to approve re-felting?

Generally not for like-for-like work. Listed buildings and homes in conservation areas in AL7 and AL8 can be different, so check with the council before work starts.

Are you insured to carry out torch-on work?

Yes. We are fully insured with public liability cover, and torching is planned to keep the flame away from exposed timber, with the roof checked once the work is finished.

Still Have a Question?

If your question is not answered here, get in touch and we will discuss it with you.

Call us01707 229507Email usinfo@tnrroofingcompany.co.uk
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Areas we cover

Felt Roofing across Hertfordshire

Alongside Welwyn Garden City, we carry out felt flat roofing in these towns:

Covering Welwyn Garden City and Hertfordshire

Felt Roofing across Welwyn Garden City and the rest of Hertfordshire. Call to arrange a free survey and a quote.

Call 01707 229507
Call 01707 229507Get a Free Quote