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GRP Roofing

GRP Roofing is also known as Glass Reinforced Polyester which is a composite material that is used as a roofing system. A wide range of products are sold online and in branch from: roofing resin, roofing topcoats, flat flashing to concrete primer, mouldings, corners etc. 

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  • Timloc%20Building%20Products%20-%2099137%20Dry%20Fix%20Verge%20Right%20Hand%20Piece%20-%20Black.png

    Timloc Dry Fix Verge Profiled Tile Right Hand Unit Black (99137)

    Black right hand dry fix verge unit for profiled roof tiles with a durable maintenance free finish.
  • Timloc%20Building%20Products%20-%2099116%20Dry%20Fix%20Verge%20Right%20Hand%20Piece%20-%20Black.png

    Timloc Dry Fix Verge Profiled Tile Right Hand Unit Brown (99116)

    Brown right hand dry fix verge unit for profiled roof tiles, providing durable edge protection.
  • Timloc%20Building%20Products%20-%2099117%20Dry%20Fix%20Verge%20Right%20Hand%20Piece%20-%20Grey.png

    Timloc Dry Fix Verge Profiled Tile Right Hand Unit Grey (99117)

    Grey right hand dry fix verge unit for profiled roof tiles with a maintenance free finish.
  • Timloc%20Building%20Products%20-%2099118%20Dry%20Fix%20Verge%20Right%20Hand%20Piece%20-%20Terracotta.png

    Timloc Dry Fix Verge Profiled Tile Right Hand Unit Terracotta (99118)

    Terracotta right hand dry fix verge unit for profiled roof tiles with lasting weather protection.
  • Timloc%20Building%20Products%20-%2054626%2013x%20Fixing%20Screws%20%26%20Clamping%20Plates.png

    Timloc Dryfix Dry Ridge/Hip Metal Fixings Kit (13 Pack) (54626)

    Timloc metal fixings kit for securely installing dry ridge and dry hip roofing systems.
  • Timloc%20Building%20Products%20-%2010041%20Corner%20Starter%20Tray.png

    Timloc Everdry Corner Starter Brickwork Cavity Tray L+R 225mm (10041)

    Timloc Everdry corner starter cavity tray for effective damp management in brickwork walls.
  • Timloc%20Building%20Products%20-%2010002%20Intermediate%20Tray%20LH.png

    Timloc Everdry Intermediate Brickwork Cavity Tray Left Hand 225mm (10002)

    Left hand Everdry cavity tray prevents moisture transfer across 225mm brickwork cavity walls.
  • Timloc-Building-Products-GTAPE01-1.png

    Timloc Gastite Sealing Tape 100mm x 10m (GTAPE01)

    Timloc Gastite sealing tape creates airtight and gas resistant seals around membranes and service penetrations.
  • Timloc%20Bilding%20Products%20-%2053700%20Integrated%20Dry%20Ridge%20Kit%20Black%203m.png

    Timloc Integrated Dry Fix Ridge Kit Black 3m 53700)

    Timloc 3m integrated dry fix ridge kit in black provides a ventilated, mortar free ridge installation.
  • Timloc%20Building%20Products%20-%2066101%203m%20new%20build%20dry%20fix%20continous%20verge%20for%20slate%20flat%20tile.png

    Timloc New Build Dry Fix Conti Verge for Slate/Flat Tile 3000mm Grey (66101)

    Grey 3m Conti dry verge system for new build slate and flat tile roof installations.
  • Timloc-Building-Products-GTAPE02-1.png

    Timloc Plastic Girth Tape 75mm x 33m (GTAPE02)

    Timloc 75mm x 33m plastic girth tape for securely sealing gas and damp proof membranes. Buy online at Howarth Timber.
  • Timloc%20Building%20Products%20-%20IRD65BL.png

    Timloc Plastic Insulation Retaining Discs Black 65mm Diameter (IRD65BL)

    65mm black insulation retaining discs securely hold insulation boards during installation.
  • KEYPLUG.png

    Timloc Plastic Key Hole Plug (KEYPLUG)

    Plastic key hole plug for securely sealing fixing holes in construction and roofing applications.
  • Timloc-Building-Products-10041-Corner-Starter-Tray.png

    Timloc Poly Strip Everdry Corner Starter Brickwork Cavity Tray L+R 225mm (10041P)

    Poly Strip Everdry corner starter cavity tray for long lasting moisture protection in masonry walls.
  • Timloc%20Building%20Products%20-%2010061%20Ridge%20Tray.png

    Timloc Poly Strip Everdry Ridge Cavity Tray Brickwork 225mm (10061P)

    Timloc 225mm Poly Strip Everdry ridge cavity tray helps prevent water penetration in cavity walls.
  • Timloc%20Building%20Products%20-%2010031P%20Stopend%20Starter%20Tray%20%28With%20Polystrip%29.png

    Timloc Poly Strip Everdry Stop End Starter Cavity Tray L+R-Brickwork 225mm (10061P)

    Timloc Poly Strip stop end starter cavity tray set for reliable cavity wall damp protection.
  • Timloc%20Building%20Proucts%20-%202221%20Rad-seal%20Face-Fix.png

    Timloc Rad Seal Face Fix (2221)

    Timloc Rad Seal Face Fix provides a secure airtight seal around service penetrations.
  • Timloc%20Building%20Proucts%20-%201115%20Rad-seal%20recessed.png

    Timloc Rad-Seal Recessed (1115)

    Timloc recessed Rad-Seal creates an airtight seal around service penetrations in new build projects.
  • Timloc%20Building%20Products%20-%201121%20Roll%20Form%20Eaves%20Vent%20Roll%20Out%20Rafter%20Tray.png

    Timloc Rafter Roll Black 300 x 6000mm (1121)

    Black 300mm rafter roll insulation support for improving roof ventilation and insulation performance.
  • Timloc%20Building%20Products%20-%201171%20Roll%20Form%20Eaves%20Vent%20Roll%20Out%20Rafter%20Tray.png

    Timloc Rafter Roll Black 400 x 6000mm (1171)

    400mm black rafter roll helps prevent insulation blocking roof ventilation at the eaves.
  • Timloc%20Building%20Products%20-%201131%20Roll%20Form%20Eaves%20Vent%20Roll%20Out%20Rafter%20Tray.png

    Timloc Rafter Roll Black 600 x 6000mm (1131)

    Timloc 600mm black rafter roll supports insulation while maintaining ventilation pathways.
  • Timloc%20Building%20Products%20-%201151%20Roll%20Form%20Eaves%20Vent%20Roll%20Out%20Rafter%20Tray.png

    Timloc Rafter Roll Black 800 x 6000mm (1151)

    800mm Timloc rafter roll supports roof insulation while maintaining continuous ventilation.
  • Timloc%20Building%20Products%20-%20IRD80R.png

    Timloc Red Plastic Insulation Retaining Discs 80mm Diameter (IRD80R)

    Red 80mm insulation retaining discs for fixing insulation securely to masonry substrates.
  • 66105.png

    Timloc Refurb Dry Fix Conti Verge for Slate/Flat Tile 3000mm Grey (66105)

    Grey refurbishment Conti dry verge system for upgrading existing slate and flat tile roofs.

GRP, also known as Fibreglass roofing, is one of the most reliable and cost-effective roofing options on the market right now. Because of its waterproof material, and it’s no maintenance requirements, it makes it a perfect choice for your home. The hard-wearing nature of GRP will last for over 30 years, making it a dependable roofing option as well.

What is GRP roofing?

GRP roofing is a material made from polyester resin, which is reinforced by mat glass fibres to form a GRP laminate. Because of this, it is a durable, lightweight, and flexible material capable of being moulded to any shape. This is one of the main reasons why Fibreglass is becoming the number one choice for flat roofing.

It can also be known as GRP fibreglass roofing, and is a material made from polyester resin which is reinforced by chopped strand mat glass fibres, forming a GRP laminate.

A GRP roof is typically very easy to install, but we also offer fibreglass roofing kits if needed which will provide you with all the materials you require to construct an incredibly strong and durable flat roof. One of the most well-known roofing resins is Cure It roofing, which has a specially formulated roofing resin and topcoat.

How does it work?

GRP flat roofing systems combine several materials such as topseal resin, fibreglass matting, and durable topcoat to not only create a roof that’s impact resistant and strong, but also attractive and aesthetically pleasing. It first starts with bare ceiling joists and the attachment of OSB3 decking and is then specially fitted with GRP roofing trims to the edges, to form a durable laminate GRP flat roof.

Because of how little heat is used during the installation of fibreglass roofing, it also makes it one of the safest installation processes.

For expert advice and guidance on the best GRP roofing for your property, please contact your friendly local Howarth branch.

Frequently Asked Questions

How much does grp roofing cost?
The average fibreglass flat roof cost in the UK is £90 per m2.