TNR Roofing Services
New grey GRP fibreglass flat roof beside a tiled roof, Welwyn Garden City
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GRP Fibreglass Roofing in Welwyn Garden City

GRP fibreglass roofs and balconies across AL7 and AL8, finished in a choice of topcoat colours and laid on a firm, checked deck.

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GRP Fibreglass Roofing in Welwyn Garden City

Hard-Wearing GRP Fibreglass Roofing in Welwyn Garden City

A flat roof seen from upstairs windows or a balcony used every summer needs to look right as well as keep the rain out. GRP fibreglass gives a hard, joint-free surface, and the coloured topcoat can be chosen to suit the house. TNR Roofing Services lays GRP roofs and balconies in Welwyn Garden City.

GRP roofs for homes and commercial properties in AL7 and AL8 are installed from our base in Hemel Hempstead. The free survey checks the deck, drainage and edges, and if your home is listed or in a conservation area, Welwyn Hatfield Borough Council can confirm any rules on appearance before work begins.

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Freshly coated grey GRP balcony floor beside patio doors

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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Finished GRP fibreglass balcony with a glossy grey topcoat

What's included

Our GRP Fibreglass Roofing Services in Welwyn Garden City

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

  • New GRP flat roofs laminated in one piece, curing into a rigid layer with no laps or seams for water to find.
  • GRP balconies finished with a hard-wearing topcoat, with a textured, slip-resistant option for better grip underfoot.
  • Fibreglass dormer roofs, where moulded corners and trims keep awkward shapes watertight.
  • Extension and garage roofs finished with pre-formed GRP edge and drip trims for a neat, durable edge.
  • Soft or flexing timber decks replaced before laying, so the cured fibreglass sits on a firm base and resists cracking.
  • Cracks in existing GRP repaired by grinding back, re-laminating the damaged section and recoating it.
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More about our grp fibreglass roofing service

Free GRP Fibreglass Roofing Surveys in Welwyn Garden City

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

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Pricing

How We Price GRP Roofing in Welwyn Garden City

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

  • The size of the roof or balcony and how many corners, upstands and edges need forming
  • Whether the existing timber deck is firm enough to keep or needs replacing with new boards
  • Your topcoat colour and any textured, slip-resistant finish wanted on a balcony
  • The type and length of GRP edge trims, drip trims and gutter details
  • Access to the roof or balcony, including any scaffold needed on upper floors
GRP fibreglass balcony with black railings and a ladder

How it works

What to Expect from GRP Roofing in Welwyn Garden City

What happens from your first call to the finished work.

  1. Free Survey and Deck Check

    We look at the deck, the drainage and the roof edges, check the boards for any flex, and note the trims and upstands involved, so the quote reflects the real job.

  2. Quote and Dry-Weather Booking

    You get a no-obligation quote. Once you go ahead, we book the laying for a dry spell, because the resin needs dry conditions to cure as it should.

  3. Decking, Trims and Laminating

    Failing boards are replaced with a firm new deck and the edge trims are fixed. Resin is then rolled through the glass fibre mat until it is fully wetted out, with extra reinforcement at corners and upstands.

  4. Topcoat and Final Review

    When the laminate has cured, the coloured topcoat goes on to seal the surface. Once it has hardened, we clear up, review the completed work with you and confirm everything has been done as agreed.

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FAQs

Frequently Asked Questions

What topcoat colours are available?

Topcoats come in several colours, with greys and darker shades the most common on roofs. We talk through the choices when we quote so the finish suits your home.

How long will a GRP roof last in AL7 or AL8?

A GRP roof on a sound deck will typically give 25 years or more. It does not dry out and crack like older felt, and avoiding heavy impacts on the topcoat helps it stay watertight.

Can GRP go on a balcony above a room?

Yes. Balconies are one of its main uses. The cured surface is hard enough for furniture and regular foot traffic, and a textured topcoat can be added for grip.

Are you insured for GRP work?

Yes. Our public liability insurance covers the work while resin, trims and decking are being installed, and we are a vetted Checkatrade member.

Still Have a Question?

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

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Areas we cover

GRP Fibreglass Roofing across Hertfordshire

Alongside Welwyn Garden City, we carry out GRP fibreglass roofing in these towns:

Covering Welwyn Garden City and Hertfordshire

GRP Fibreglass 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