TNR Roofing Services
New grey GRP fibreglass flat roof beside a tiled roof, Stevenage
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GRP Fibreglass Roofing in Stevenage

Stevenage garage, extension and balcony roofs laid in GRP fibreglass, with the deck checked and replaced where needed at a free survey.

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GRP Fibreglass Roofing in Stevenage

Hard-Wearing GRP Fibreglass Roofing in Stevenage

Garage and extension roofs take a lot of weather, and older coverings often fail at the joints. A GRP roof has none, because the resin and glass fibre cure into one hard layer that is then sealed with a topcoat. TNR Roofing Services lays fibreglass roofs on garages, extensions and balconies across Stevenage.

GRP fibreglass roofs for homes and commercial properties in SG1 and SG2 are laid by our team from Hemel Hempstead. GRP usually costs more than felt, so at the free survey we explain where the extra is worth paying for, and we check the deck so the money goes on a roof with a firm base.

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Freshly coated grey GRP balcony floor beside patio doors

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Reviews from Customers across Hertfordshire

What homeowners and businesses say about TNR Roofing Services, roofers covering Stevenage 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 Stevenage

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 Stevenage

Free, no-obligation quotes for GRP fibreglass roofing in Stevenage and across Hertfordshire.

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Pricing

Factors in a Stevenage GRP Roof Price

The price of a fibreglass roof in Stevenage depends on these factors, all assessed 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

How a Stevenage GRP Roofing Job Works

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

Is GRP more expensive than felt?

Usually, yes. In return you get a hard, joint-free surface that copes with foot traffic and does not dry out and crack in the way older felt tends to.

Will you need to replace my roof deck?

Only if it is soft or flexing. Fibreglass is only as sound as the boards it is bonded to, so we check the deck at the survey and tell you if new boards are needed.

Is the survey free across SG1 and SG2?

Yes. Every survey in Stevenage is free, and the quote that follows carries no obligation.

Do I need to tell Stevenage Borough Council about a new GRP roof?

Usually not when an existing flat roof is being re-covered. If your property is listed or in a conservation area, or you are adding a balcony, check with Stevenage Borough Council first.

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 Stevenage, we carry out GRP fibreglass roofing in these towns:

Covering Stevenage and Hertfordshire

GRP Fibreglass Roofing across Stevenage and the rest of Hertfordshire. Call to arrange a free survey and a quote.

Call 01438 771850
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