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If your GRP fibreglass roofing surface has become damaged it can be easily repaired using the following guide.
GRP fibreglass roofs are known for their durability and long-lasting performance, but like any roofing material, they can occasionally develop issues such as cracks, splits, or areas of delamination. Whether caused by wear and tear, impact damage, or environmental factors, timely repair is crucial to prevent further deterioration and maintain the roof’s integrity.
In this section, we’ll walk you through the essential steps for repairing a GRP fibreglass roof surface, ensuring a professional finish and long-lasting results. To make the process even simpler, we offer a GRP Roofing Repair Kit, which includes all the materials and tools needed to carry out repairs efficiently and effectively. Whether you’re a professional or tackling the job yourself, our repair kit takes the hassle out of sourcing individual components and ensures you have everything you need to restore your roof with confidence.
Get rid of any debris and clean off the damaged area with Acetone. Rub down the GRP surface area with either 60-grit sandpaper or a hand grinder 100mm around the area or edge that needs to be joined.
Cut the chopped strand matting down to the correct size to cover the damaged area and mix up a small batch of resin and catalyst.
Apply a layer of the base resin over the abraded surface at the rate of 1kg of resin mix per square metre.
Place the pre-cut chopped strand fibreglass matting over the area and using a small consolidating roller wet out the glass with more resin at a rate of half a kilo per square metre ensuring that the glass fibre is free from air.
Once the main base repair has cured, mix a small batch of finishing topcoat with catalyst and apply with a laminating brush at the rate of half a kilo per square metre.
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To ensure the solar panel fixing points are compatible with your roof’s buildup contact our technical support team or complete the form below and we’ll get back to you with more information.
Fibrelast kits are a quick and easy way to get everything you need for your next roofing project. In this section, we look at the different options available when choosing your Kit.
Fibrelast kits go up to a maximum of 50m². If you have a roof bigger than this then please contact our technical support team who will create a custom kit, or you can order the individual items in the Fibrelast Store.
Fibrelast is available in four colours with Iron Grey being the standard finish. The other colours are made to order, so please allow an additional 3 working days for production.
There are three types of Fibrelast roofing kits all using different fibreglass reinforcement weights. The Standard Kit uses 450gm and is great for projects with no foot traffic whereas the High Density and Ultra High Density kits use 600gm and dual 450gm for a stronger finish.
Fibrelast as with any GRP Roofing system can only be applied to OSB decking for maximum adhesion. If you require a product that bonds to an existing surface then Fibrecoat or Overcoat are the best products suited for this type of project.