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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-%2099144%20Ambi-Verge%20universal%20dry%20-%20Terracotta.png

    Timloc Ambi-Verge Unit Terracotta (99144)

    Timloc Dry Verge Left Hand Units from Timloc's Dry Verge System for Profiled Tiles is suitable for pitches from 15° to 55°. Made from UV-protected polymer for a durable, long-lasting solution. Available in different colours, it is designed to match...
  • Timloc%20Building%20Products%20-%20OF1BL%20Over%20Fascia%20Vent%2010mm%20-%20Black.png

    Timloc Black 10mm Airflow Over Fascia Vent Strip 1m (OF1BL)

    Efficient and durable primary roof ventilator supplied in convenient 1m lengths. An over fascia vent is used when the fascia board is fitted in the ends of the rafters, creating a situation where ventilation can only be positioned over the top of the...
  • Timloc%20Building%20Products%20-%2054703%206m%20Roll%20Out%20Integrated%20Dry%20Fix%20Ridge%20Kit%20-%20Black.png

    Timloc Black Integrated Dry Fix Ridge Kit 6m (54703)

    Convenient ‘one pack’ mechanical fix solution for roof ridge installations.
  • Timloc%20Building%20Products%20-%2066120%20dry%20fix%20continous%20verge%20for%20slate%20angles%20ridge%20apex%20piece.png

    Timloc Dry Fix Conti Dry Verge Slate/Flat Tile Ang Ridge Cap Grey (66120)

    A continuous verge system, for slate and flat tiles, that presents a clean flush finish and an effective and virtually maintenance free alternative to wet mortar bedding. For use with slate and slate-effect tiles with a thickness between 4mm-13mm.
  • Timloc%20Building%20Products%20-%2066124%20dry%20fix%20continous%20verge%20for%20slate%20flat%20tile%20joint%20union.png

    Timloc Dry Fix Conti Dry Verge Slate/Flat Tile Joint Union (2 Pack) Grey (66124)

    A continuous verge system, for slate and flat tiles, that presents a clean flush finish and an effective and virtually maintenance free alternative to wet mortar bedding. For use with slate and slate-effect tiles with a thickness between 4mm-13mm.
  • Timloc%20Building%20Products%20-%2066117%20dry%20fix%20continous%20verge%20for%20slate%20flat%20tile%20eaves%20closer%20cap%20pack.png

    Timloc Dry Fix Continuous Verge Eaves Closer Pack L&R Grey (66117)

    A continuous verge system, for slate and flat tiles, that presents a clean flush finish and an effective and virtually maintenance free alternative to wet mortar bedding. For use with slate and slate-effect tiles with a thickness between 4mm-13mm.
  • 54710%20-%20Timloc%20Dry%20Fix%20Hip%20Kit%20Black.jpg.jpeg

    Timloc Dry Fix Hip Pack Black 6m (54710)

    Convenient one-pack mechanical fix solution for roof hip installations. Designed for use with most types of slate, concrete or clay roof hip tiles. Suitable for use on new build and existing roof applications. Faster, cleaner, and generally safer...
  • Timloc%20Building%20Products%20-%2044623%20Dry%20Fix%20Hip%20Tray%20Pack.png

    Timloc Dry Fix Hip Tray Only Pack 1000mm

    Dry fix hip tray only pack. Timco’s range of quality everyday essentials are made for the trade. Timloc Building Products has been serving the building industry for over 50 years. They are committed to sustainable manufacturing with 75% of products are...
  • Timloc%20Building%20Products%20-%2099126%20Dry%20Fix%20Verge%20Eaves%20Closer%20-%20Grey.png

    Timloc Dry Fix Verge Profiled Tile Eaves Closer L+R Pair Grey (99126)

    This Eaves Close Pack from Timloc's Dry Verge System for Profiled Tiles offers the perfect solution for both the left and right sides. Without the hassle of wet mortar bedding, this durable, easy-to-fit system is designed for effortless installation in...
  • Timloc%20Building%20Products%20-%2099121%20Dry%20Fix%20Verge%20Left%20Hand%20Piece%20-%20Grey.png

    Timloc Dry Fix Verge Profiled Tile Left Hand Unit Grey (99121)

    Timloc Dry Verge Left Hand Units from Timloc's Dry Verge System for Profiled Tiles is suitable for pitches from 15° to 55°. Made from UV-protected polymer for a durable, long-lasting solution. Available in different colours, it is designed to match...
  • 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)

    Timloc dry fix verge right hand unit is designed for profiled roof tiles. One verge piece is placed on each roof tile in sloping run. Interlocking caps fit on edge making it durable.
  • 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)

    Timloc dry fix verge right hand unit is designed for profiled roof tiles. One verge piece is placed on each roof tile in sloping run. Interlocking caps fit on edge making it durable.
  • Timloc%20Building%20Products%20-%2010002%20Intermediate%20Tray%20LH.png

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

    BBA-approved stepped cavity tray system for multi cavity options in brick wall construction of 75mm coursing heights. Timco’s range of quality everyday essentials are made for the trade. Timloc Building Products has been serving the building industry for...
  • Timloc%20Bilding%20Products%20-%2053700%20Integrated%20Dry%20Ridge%20Kit%20Black%203m.png

    Timloc Integrated Dry Fix Ridge Kit Black 3m 53700)

    2 pack mechanical fix solution for roof ridge installations. The uses include slate, concrete or clay roof tiles, any round or angled ridge tiles.
  • 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)

    A continuous verge system, for slate and flat tiles, that presents a clean flush finish and an effective and virtually maintenance free alternative to wet mortar bedding. For use with slate and slate-effect tiles with a thickness between 4mm-13mm.
  • Timloc-Building-Products-10041-Corner-Starter-Tray.png

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

    BBA-approved stepped cavity tray system for multi cavity options in brick wall construction of 75mm coursing heights. With polystyrene strip mortar barrier. Timco’s range of quality everyday essentials are made for the trade. Timloc Building Products has...
  • 10001P.png

    Timloc Poly Strip Everdry Intermediate Right Hand Cavity Tray Brickwork 225mm (10001P)

    BBA-approved stepped cavity tray system for multi cavity options in brick wall construction of 75mm coursing heights. With polystyrene strip mortar barrier. Timco’s range of quality everyday essentials are made for the trade. Timloc Building Products has...
  • Timloc%20Building%20Products%20-%2010061%20Ridge%20Tray.png

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

    BBA-approved stepped cavity tray system for multi cavity options in brick wall construction of 75mm coursing heights. With polystyrene strip mortar barrier. Timco’s range of quality everyday essentials are made for the trade. Timloc Building Products has...
  • 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)

    BBA-approved stepped cavity tray system for multi cavity options in brick wall construction of 75mm coursing heights. With polystyrene strip mortar barrier. Timco’s range of quality everyday essentials are made for the trade. Timloc Building Products has...
  • Timloc%20Building%20Proucts%20-%202221%20Rad-seal%20Face-Fix.png

    Timloc Rad Seal Face Fix (2221)

    The Rad Seal Face Fix is the face-fixed radiator pipe guide and seal designed to provide an air leakage barrier around the point of entry for through wall 10mm plastic radiator pipework. The straight-forward and quick face-fix installation securely...
  • Timloc%20Building%20Proucts%20-%201115%20Rad-seal%20recessed.png

    Timloc Rad-Seal Recessed (1115)

    Rad-Seal Recessed is the effective, easy, and quick radiator pipe guide and seal designed to provide an air leakage barrier around the point of entry for through wall 10mm plastic radiator pipework.Timloc Building Products has been serving the building...
  • Timloc%20Building%20Products%20-%201171%20Roll%20Form%20Eaves%20Vent%20Roll%20Out%20Rafter%20Tray.png

    Timloc Rafter Roll Black 400 x 6000mm (1171)

    Designed to maintain ventilation between insulation and roofing felt to prevent the build-up of condensation. Suitable for new build and refurbishment work.
  • Timloc%20Building%20Products%20-%201151%20Roll%20Form%20Eaves%20Vent%20Roll%20Out%20Rafter%20Tray.png

    Timloc Rafter Roll Black 800 x 6000mm (1151)

    Designed to maintain ventilation between insulation and roofing felt to prevent the build-up of condensation. Suitable for new build and refurbishment work.
  • Timloc%20Building%20Products%20-%20IRD80R.png

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

    Universally designed insulation retaining disc, available in 80mm diameter (red) and 65mm diameter (black) to suit most styles and sizes of wall ties and applications.

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.