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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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    Flexitec Balcony Sealer Clear 10.3ltr (130017R)

    Clear Flexitec balcony sealer protects external surfaces while maintaining their natural appearance.
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    Flexitec Balcony Sealer Dark Grey 9.6ltr (130011R)

    Dark grey balcony sealer delivers a seamless waterproof finish with excellent durability.
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    Flexitec Balcony Sealer Light Grey 9.6ltr (130010R)

    Light grey Flexitec balcony sealer provides a durable waterproof coating for balconies and walkways.
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    Glidevale Protect Wunderlay Impermeable Roofing Underlay 1 x 45m (WLAY145)

    This Glidevale Protect Wunderlay is an innovative impermeable underlay measuring 1m x 45m. Thanks to this high-performance roofing underlay, you can say goodbye to the drawbacks of traditional Type 1F felts and plastic sheet materials.
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    Gutter Trim External Corner Black (910015.CB)

    Black external gutter trim corner for creating neat waterproof EPDM roof edge details.

  • Gutter Trim Internal Corner Black (910017.CB)

    Black internal gutter trim corner designed for professional EPDM roofing installations.
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    Gutter Trim Standard Back Joint and Pins 2.5m (910012.CB)

    Standard gutter trim joints and pins for professional EPDM roof gutter edge installations.
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    Hip Clip Pack 20 Large & 20 Small (ET/HIPCLIP E/T)

    Hip clip pack with 20 large and 20 small clips for secure dry fix hip roofing installations.
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    Leaf Grate for Angled Roof Drain (715031.CB)

    Leaf grate helps prevent debris entering angled roof drains to maintain efficient drainage.
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    Marley Air Vent Ridge Terminal

    Marley air vent ridge terminal providing effective roof space ventilation while maintaining weather protection.
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    Marley Modern Hip Block End Smooth Grey (MA29228)

    Marley Modern hip block end in Smooth Grey provides a neat, weatherproof finish to concrete hip ridge systems.
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    Marley Modern Ridge Antique

    Marley Modern ridge tile in Antique finish for durable and attractive roof ridge detailing.
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    Marley Modern Ridge Block End Smooth Grey

    Smooth Grey block end for Marley Modern ridge systems, providing a clean finished appearance.
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    Marley Modern Ridge End Cap Brown

    Brown Marley Modern ridge end cap for completing concrete ridge tile installations.
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    Marley Modern Ridge End Cap Grey

    Grey end cap for Marley Modern ridge tiles, providing a neat and weatherproof finish.
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    Marley Segmental Ridge End Cap Brown

    Brown segmental ridge end cap designed for Marley concrete ridge roof systems.
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    Marley Segmental Ridge End Cap Grey

    Grey segmental ridge end cap for neatly finishing Marley concrete ridge tile installations.

  • Peelaffix Self Adhesive EPDM 1.1mm x 1.5m x 10m (PEEL20)

    Self adhesive EPDM membrane for roofing and waterproofing projects. Easy to install with long lasting performance.
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    PS Pipe Seal Large 25-152mm (309750.CB)

    Large EPDM pipe seal for creating watertight seals around roof penetrations from 25mm to 152mm.
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    RB Plastisol Perimeter Fastener 40mm (510015.CB)

    40mm plastisol coated perimeter fastener for securely fixing flat roofing systems.
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    Resgrip Anti-Slip Coating Anthracite Grey 10kg (122088)

    Anthracite grey anti slip coating delivers a tough, slip resistant finish for concrete and walkways.
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    Resgrip Anti-Slip Coating Daffodil Yellow 10kg (122081)

    Bright yellow anti slip coating improves safety on walkways, steps and external surfaces.
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    Resgrip Anti-Slip Coating Sky Blue 10kg (122083)

    Sky blue anti slip coating for hard wearing slip resistant flooring in commercial and industrial environments.
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    Resgrip Anti-Slip Coating Traffic Black 10kg (122086)

    Traffic black anti slip coating offers durable protection for high traffic pedestrian and vehicle areas.

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.