Fibreglass Roofs by Union Roofing
Experienced Roofing SpecialistsWokingham Roofers

Fibreglass Roofs in Wokingham & Berkshire

A fibreglass flat roof laid as one continuous sheet with moulded trims, giving your extension or garage a smooth finish with no seams to leak.

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Fibreglass Roofs

Joint-⁠Free Fibreglass (GRP) Roofing

Fibreglass, also called GRP, turns a flat roof into a single, continuous surface. Resin and glass matting are laid over a sound deck and set hard as one sheet, so there are no laps or seams for water to find. It is one of the neatest ways to cover an extension, garage or dormer.

Pre-formed trims around the edges give clean lines and a proper drip, and upstands are formed in the same material as the roof so the corners are as watertight as the middle. The cured surface is tough, takes light foot traffic and is finished with a coloured topcoat.

Fibreglass needs a dry day and a sound deck to lay well, so the old covering comes off and the boards are checked or replaced first. You get a FREE, no-obligation quotation and an honest view on whether fibreglass or felt suits your roof better.

  • No Joints or Seams
  • Smooth, Clean Finish
  • Takes Light Foot Traffic
  • Low Maintenance
Fibreglass Roofs in Berkshire by Union Roofing
Fibreglass Roofs work in progress
Fibreglass Roofs detail
When to Call

When a Fibreglass Roof Makes Sense

  • Old Felt Keeps Leaking

    A felt roof that has been patched again and again is often worth replacing with a single fibreglass covering.

  • New Extension Roof

    A new or rebuilt extension, dormer or garage needs a flat roof that looks neat and keeps the weather out well.

  • Water Sitting on Top

    Pooling water on a tired flat roof wears it out quickly, and a new deck laid to a better fall lets it drain.

  • Cracked GRP Surface

    Fine cracks or a crazed topcoat on an older fibreglass roof can let moisture into the layers beneath it.

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Fibreglass Roofs carried out by Union Roofing
What’s Included

What a Fibreglass Roof Includes

  • Old Covering Removed
  • New Deck Boards Fitted
  • Resin & Glass Mat Laid
  • Pre-Formed Edge Trims
  • Upstands Formed in GRP
  • Coloured Topcoat Applied
Why Choose Us

Why Choose Us for Fibreglass Roofing

A FREE, no-obligation quotation, clear and honest advice, and work that is guaranteed and fully insured, from a Wokingham roofer rated 9.98 out of 10 on Checkatrade.

Fibreglass Roofs by Union Roofing

FREE, No-Obligation Quotations

Every quotation is FREE and comes with no obligation, so you can weigh up the work and the price before deciding anything.

  • Honest System Advice

    You hear plainly whether fibreglass or felt suits your roof and its use before anything is agreed.

  • Neat, Quality Finish

    Trims, corners and upstands are formed with care, so the finished roof looks clean and stays watertight.

  • Kept Informed

    You know what is happening at each stage, including when the weather means waiting for a dry day to lay.

  • Work Guaranteed

    Every job is guaranteed, so if anything is not right with the work, you have a local roofer to call back.

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Thinking About a Fibreglass Roof?

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Reviews

Homeowners Rate Union Roofing

Homeowners across Berkshire rate Union Roofing 9.98 out of 10 on Checkatrade, from 96 reviews of their new roofs, flat roofs, roof repairs and guttering work.

Pricing

What Affects the Cost of Fibreglass

Every roof is different, so the price is worked out once the roof has been looked at rather than guessed over the phone. These are the things that move it.

Fibreglass Roofs work on a roof

FREE, No-Obligation Quotations

Every roof is looked at before it is priced, so the figure you get is the figure for your job. Your quotation costs nothing and commits you to nothing.

  • Size of the Roof

    The roof area sets how much resin, matting and topcoat is needed, and how long the roof takes to lay.

  • Deck Replacement

    Fibreglass needs a firm, dry deck, so damp or soft boards have to be replaced before the roof is laid.

  • Trims & Detailing

    Roof lights, corners, upstands and long edges all add trims and detailed work to finish them properly.

  • Access & Height

    A single-storey roof is simple to reach, while a dormer or upper roof may need a tower or scaffold.

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Ready to Price a Fibreglass Roof?

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Areas We Cover

Fibreglass Roofing Across Berkshire

Based in Wokingham and covering Reading, Bracknell, Maidenhead, Windsor, Ascot and the towns between. If your town is not listed, call with your postcode.

  • WokinghamBerkshire
  • ReadingBerkshire
  • BracknellBerkshire
  • MaidenheadBerkshire
  • WoodleyBerkshire
  • EarleyBerkshire
  • WindsorBerkshire
  • AscotBerkshire
  • SandhurstBerkshire
  • CrowthorneBerkshire
  • FinchampsteadBerkshire
  • Henley-on-ThamesOxfordshire
The Work

How a Fibreglass Roof Is Laid

  1. Step 1

    Assess the Roof

    We look at the roof, the deck and the edges, and send you a FREE, no-obligation quotation.

  2. Step 2

    Prepare the Deck

    The old covering comes off and a sound, dry deck is laid ready for the fibreglass to go on.

  3. Step 3

    Lay the Fibreglass

    Trims are fixed, then resin and glass matting are laid and rolled out as one continuous sheet.

  4. Step 4

    Topcoat & Tidy

    Once cured, the coloured topcoat is applied, and all the waste is cleared from the property.

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FAQs

Fibreglass Roof Questions Answered

What Does GRP Stand for on a Flat Roof?

GRP means glass reinforced plastic, which is the proper name for a fibreglass roof. Resin and glass matting are laid together and cure into a hard, continuous sheet that covers the whole roof without joints.

Can Fibreglass Be Laid in Wet or Cold Weather?

Not well. The resin needs dry conditions and a dry deck to cure properly, so fibreglass is laid on a suitable day. If the forecast turns, the roof is protected and the work carries on when it is dry again.

Will a Fibreglass Roof Take Foot Traffic for Maintenance?

A fibreglass roof will take occasional, careful foot traffic for maintenance, such as servicing a roof light. If the roof will be used more often, mention it before the quotation so it can be built up for that use, with safe access arranged.

Is Fibreglass Worth It Over Felt for an Extension?

For many extensions, yes. Fibreglass gives a smooth, joint-free finish with neat trims that looks clean from upstairs windows. Felt costs less and is quicker to lay. We will explain both for your roof and price either one.

Can a Cracked Fibreglass Roof Be Repaired?

Small cracks and damaged areas can usually be ground back and repaired with fresh resin and matting, then topcoated. Widespread cracking often points to a deck that moves, and in that case we will explain why the deck needs attention first.

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