A GRP fibreglass roof is one of the most popular solutions in the UK. GRP or Glass Reinforced Polyester is a composite material that is produced when plastic is strengthened with fine glass fibres. This single ply laminate has a history spanning over 60 years as a reliable solution to cover and waterproof roofs. In recent years, the GRP fibreglass roof has increased in popularity and can be used for a variety of applications.
One of the main advantages of GRP fibreglass roofing system is that it provides a simple, safe installation. The process begins with the application of a layer of catalysed resin to completely dry, good quality roof decking. Then a fibreglass mating layer is laid over the top of it, followed by another catalysed resin layer to complete the system. Once this has cured, a top coat resin that is fire retardant is applied to weatherproof the roof completely and create a more attractive finish. The edges of the roof any abutments are fitted with trims.
When correctly installed and with sensible maintenance, a GRP flat roof can have a lifespan of over thirty years without any deterioration.
The essentials of a GRP fibreglass roof are GRP resin, fibreglass mating, top coat resin, and a catalyst or hardener. The installation will also require fibreglass flashing and roof trims, sealants, and adhesives to bond the flashings and trims. These materials are relatively inexpensive and can be supplemented with corners to enhance the roof aesthetics.
Providing the installation has been carried out properly with suitable decking and flashing, there should be little concern about repairs for your GRP fibreglass roof. GRP fibreglass is impact resistant, but if a hole or split does develop, another layer of GRP can be laid over the top of the roof, providing it is still structurally sound to ensure it remains watertight.
While GRP is unaffected by UV, you may notice that there is some fading. This will not affect anything internally, but only the aesthetic qualities of the roof. If you prefer, any colour loss can be treated with another top coat layer to restore the original glory of your roof.
If your GRP fibreglass roof does leak, this type of problem is not typically linked to the roofing material. It could be a result of a poor installation, so you’ll need to check that all trims and flashings are fitted correctly, as these are likely to be the source of the leak.
Although more costly on average, a GRP fibreglass roof can offer some advantages over other flat roof materials. It is more durable compared to traditional felt, and there are minimal seams to reduce the risk of water creep-age. The finishing top coat makes the whole roof resistant to practically all weather conditions. A GRP fibreglass roof is built to retain form and function in storms, frost, snow, excessive periods of sunshine and high winds. It is also fire resistant and has durability for footfall, making it ideal for roof terraces. If you’re still unsure whether a GRP fibreglass roof is the right choice for your project, you should speak to us. Our recommended professional technicians would be delighted to answer your queries and help guide you through the roofing options best suited to your project.
I want to thank you for an excellent repair to the soffits. Great communication skills so easy to talk to and very understanding. I would strongly recommend him you will not be disappointed as he is trustworthy and careful a joy to deal with.
Ann
Very pleasant. Came to look first before job was done a few days later due to weather being bad. Understood what needed to be done. Told the price before job started.
Lorraine
Bill was very professional, and highly qualified. He gave us a very clear explanation of what the problem could be. He was well prepared and had everything with him to start the job straight away. His prices are fair. We are very happy with the service he provided and would not hesitate to use him in the future. Thank you!
Irenpuj
Very communicative and with a competitive price. Highly recommend.
Archie
All good no issues. Replaced downpipe and connected it to the extension. No complaints. Very friendly.
Mo
Just a quick call they came gave me a quote straight away and did the job the same day very friendly couple
Wayne
We can't thank Bill enough for going above and beyond! He is extremely professional and easy going and is so helpful. His pricing is really competitive and he is a really genuine person. I couldn't recommend his services enough. Thank you again Bill!
Khloe
Bill came out promptly to quote and complete the repair on our warehouse roof, have booked Bill and his team to do more maintenance work, great family company would not hesitate to recommend Bill and his company
Marcus
Very helpful and prompt. Would recommend and use again.
Nav
My Trusted Expert Guarantee
Experts Have Been Vetted & Approved