Roofers Manchester

Transform Your Home with a GRP Flat Roof: A Case Study from Stockport

If you’re considering a roofing solution that combines durability, cost-effectiveness, and aesthetic appeal, a GRP (Glass Reinforced Plastic) flat roof might be the perfect choice for your home. At DM Roofing, we recently completed a GRP flat roof installation for an extension with a large roof lantern window in Stockport. In this case study, we’ll take you through the process and benefits of GRP roofing.

Understanding GRP Flat Roofing

GRP, also known as fibreglass, is a composite material made from a plastic matrix reinforced with fine glass fibres. It is increasingly popular for roofing due to its exceptional durability, resistance to weather damage, UV rays, and fire, and minimal maintenance requirements. A properly installed GRP roof can last up to 30 years, making it an excellent investment for homeowners.

Step 1: Installing the Preformed GRP Trims

  • The first step in the GRP roofing process is installing preformed GRP trims around the perimeter and the roof lantern window. These trims are essential for providing a neat finish and a solid base for the GRP layers. We carefully measured and fixed the trims using GRP resin, ensuring a smooth edge and seamless fit.

Step 2: Bandaging All Joints and Corners

  • Next, we reinforced all joints and corners with GRP matting and resin. This involved cutting the matting to size, applying it to each joint or corner, and then coating it with resin. We repeated this process to create a strong, sealed bond, crucial for preventing leaks and enhancing the roof’s durability.

Step 3: Installing the 3-Layer GRP System

  • The core of the GRP roofing process involves laying down the 3-layer system. We started with a coat of resin, followed by a layer of chopped strand matting, and then another coat of resin. This process was repeated three times, creating a robust and waterproof membrane. For the finishing touch, we applied a dark grey topcoat that complemented the existing architecture of the home.

Step 4: Integrating the Roof Lantern Window

  • A key feature of this project was the large roof lantern window in the centre of the extension. We carefully integrated the roof lantern into the GRP system, ensuring it was securely sealed and watertight. The roof lantern not only adds natural light to the interior but also enhances the aesthetic appeal of the extension.

Step 5: Lead Flashing the Wall

  • Finally, we completed the installation by lead flashing the adjoining wall. Lead flashing is critical for directing water away from the roof and preventing seepage into the property. This final step ensured the GRP roof was completely waterproof and ready to withstand the elements.

Trust DM Roofing for Your GRP Roofing Needs

The GRP flat roof installation we completed in Stockport is a testament to the quality and expertise that DM Roofing brings to every project. With over 25 years of experience, we provide no-obligation quotes, no hidden fees, and no call-out charges. Plus, we document our work with before and after photos and videos, so you can see exactly what was done to your roof.

If you’re considering a GRP reroof for your property, trust the experts at DM Roofing. Contact us today to discuss your roofing needs and discover how we can help protect and enhance your home.

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M Garside
M Garside
2023-01-12
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Darren is incredible reliable, prompt & affordable. I couldn't ask for better service from him!
Sarah Din
Sarah Din
2022-11-10
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Darren and his team came out and helped us on an emergency call at the crack of dawn and were with us within the hour when we really needed the help. They got on to our roof despite the heavy rain and fixed the issue without any hesitation and at a very reasonable price. The team have continued to be the most helpful and professional and they always make the time for us when needed. I cannot recommend these guys enough. They are great and should be everyone’s go to roofing company. Thank you Darren and team for being so helpful and professional!
Paul Kershaw
Paul Kershaw
2022-04-27
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Could not be happier with work done and the price charged.
Sharjeel Asraf
Sharjeel Asraf
2022-04-19
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Darren is really nice and professional guy. would love to recommend his services 100%.
Ahmed Abdel rahman
Ahmed Abdel rahman
2022-03-27
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Darren and Jack did a great job. Managed to fix the problem with my chimney. They both are real professional and great to speak with. Great lot. Thanks guys.
GAZ LOZ
GAZ LOZ
2022-03-10
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These guys are brilliant, sorted a problem with the roof really good work
Yi Zhang
Yi Zhang
2021-10-05
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Very nice and professional, response quickly and did a good job! Definitely recommend!
Neil Tilstone
Neil Tilstone
2021-08-13
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Great guys they did a great job, prompt and helpful

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