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Considering a GRP Fibreglass Flat Roof? Here's Why It's a Great Choice
If you've got a flat roof area on your home – maybe an extension, garage, or even a dormer – you'll know how crucial it is to have a reliable, watertight covering. Here in Kent, Surrey, Sussex, and across parts of South London, homeowners are increasingly choosing GRP fibreglass for its impressive durability and seamless finish. It's a modern solution that offers real peace of mind compared to some older options.
What Exactly is GRP Roofing?
Unmatched Reliability and Speed
GRP stands for Glass Reinforced Polyester, but most people know it simply as fibreglass roofing. It's a liquid resin system that's applied cold over a sturdy timber deck. Once cured, it forms a completely seamless, incredibly tough, and totally waterproof surface. Think of it like creating a bespoke, rigid shell over your roof area that shrugs off the UK weather.
Grp Roofing Services
Century Roofing and Building, your local specialists based in Ditton, Aylesford, delivers a comprehensive range of expert roofing and associated building services to homeowners across Kent, Surrey, Sussex, and parts of South London. We ensure quality craftsmanship and reliable solutions for projects of all sizes.
Explore Our Core Roofing Services
New Roof Installation
Expert installation & replacement for pitched and flat roofs.
Flat Roofing Solutions
Durable EPDM, GRP & Felt systems for extensions, garages & more.
Roofing Repairs
Fast, reliable fixes for leaks, damaged tiles, flashing & storm damage.
Fascias, Soffits & Guttering
Protect your home with quality uPVC roofline installation & repair.
Why Choose Century Roofing & Building?
Local & Trusted Experts
Based in Ditton, Aylesford, we are your fully insured, reliable roofing and building specialists serving Kent, Surrey, Sussex, and South London.
Comprehensive Services
From minor roof repairs and gutter cleaning to complete new roof installations, flat roofing, fascias, soffits, and conservatory warm roofs.
Quality & Reliability
We use high-quality materials, employ experienced professionals, and offer free, no-obligation quotes, ensuring a dependable service every time.
Hear From Our Satisfied Roofing Customers
Henry Dorchester
"Highly recommend this company. Used them for roofing work. Good communication, fully explained what they were doing as the job progressed, reliable and a top quality job. Many thanks to Tom and Brad."
Jane
"Tom and his team were wonderful when refurbing my roof and I have only the highest of recommendations to give. Jane, Cheriton."
Rockstar K M
"Tom and the team were amazing to work with...very professional, quick turn around within a short deadline due to selling a property. House looks great and my new owners are extremely satisfied with the work completed. Thank you Century Roofing & Building!!! Finally, a roofer I would use a second time."
Read more reviews or leave your own feedback on:
Google ReviewsThe Benefits of Choosing a Fibreglass Roof
Why do we recommend GRP for many flat roof projects? Firstly, that seamless finish is key – no joins means nowhere for water to get in, virtually eliminating leaks when properly installed. GRP is also exceptionally tough and resistant to punctures or tears, unlike traditional felt. It's surprisingly lightweight but incredibly strong. Plus, it requires very little maintenance once it's down and can last for decades, often coming with long guarantees. It even looks clean and modern.
How Does GRP Stack Up Against Other Flat Roofs?
While we also work with durable EPDM rubber and traditional felt systems, GRP offers specific advantages. Felt can be cost-effective initially but has seams and a shorter lifespan. EPDM is very good and flexible, but GRP's rigid, impact-resistant surface can be preferable in certain situations, especially areas needing occasional foot traffic or where a specific colour finish is desired (GRP can be easily pigmented). We can help you weigh up the best option for your specific flat roof project in areas like Maidstone, Sevenoaks, Crawley, or Bromley.
Your Local Kent, London, Surrey & Sussex Experts
Serving Kent, Surrey, Sussex & South London
Based in Ditton, Aylesford (ME20 6AS), Century Roofing and Building proudly serves residential properties within a 50-mile radius. Our core service areas encompass much of Kent, Surrey, East Sussex, West Sussex, and parts of South/Southeast London. We bring our expertise in everything from roof repairs in Maidstone, Kent and new flat roofs in Crawley, West Sussex, to fascia and soffit replacement in Sevenoaks, Kent and conservatory warm roofs in Redhill, Surrey.
We regularly work in towns such as Rochester, Chatham, Gillingham, Tonbridge, Tunbridge Wells, Ashford (western parts), Gravesend, Dartford, Orpington, Bromley, East Grinstead, Haywards Heath, and many surrounding areas. Please note: we do not cover locations within Essex.
If you need reliable, fully insured roofers for leak fixes, new installations, guttering, cleaning, or specialist services like spray foam removal, check the map or give us a call. We're here to protect your home with quality workmanship.
Frequently Asked Questions
Your Questions Answered
GRP stands for Glass Reinforced Polyester, often called fibreglass roofing. Imagine incredibly strong and waterproof material, moulded to fit your roof perfectly. It's made by combining liquid resin with glass fibres, creating a seamless, durable layer. For Kent homes, especially those with flat roofs on garages, extensions, or dormers, GRP is a fantastic option because it's built to withstand the UK weather – rain, wind, and even a bit of sunshine! Unlike traditional felt, there are no seams to split or leak, making it a really reliable choice for keeping your property dry.
When you invest in a new roof, you want it to last. GRP fibreglass roofs are known for their impressive lifespan. Typically, you can expect a properly installed GRP roof to last for at least 20 to 30 years, and often much longer. Some manufacturers even offer guarantees of 25 years or more! This longevity comes down to the robust nature of the material itself. It’s resistant to rot, moss growth, and UV damage, all of which can shorten the life of other roofing materials. Choosing GRP means you're getting a roof that you can rely on for decades, giving you real peace of mind.
Getting a GRP roof installed by Century Roofing is a straightforward process, designed to minimise disruption to your home in areas like Maidstone, Chatham, or Gillingham. Here’s what generally happens:
- Roof Deck Preparation: We ensure the existing roof surface is solid, clean, and dry. Sometimes we might need to install new roof decking to create the perfect base.
- Edge Trims: We fit special trims around the edges of your roof. These provide a neat finish and a secure edge for the GRP to bond to.
- Laying the Fibreglass: Our skilled roofers apply the liquid resin and glass fibre matting in layers directly onto the roof deck.
- Curing Time: The GRP then cures and hardens to form a solid, waterproof layer.
- Finishing Touches: We complete the job with topcoats and any necessary detailing to ensure a flawless, long-lasting finish.
We always aim to complete installations efficiently and with minimal fuss, keeping you informed every step of the way.
When it comes to flat roofing, you have several options, including GRP, felt, and rubber (EPDM). Here’s a quick comparison to help you decide what’s best for your home in areas like Crawley, Redhill, or East Grinstead:
- GRP (Fibreglass): Longest lifespan (20-30+ years), seamless, very durable, slightly higher initial cost but excellent long-term value. Great for homes where longevity and minimal leaks are top priorities.
- Felt: Most traditional and often the cheapest upfront. Shorter lifespan (10-15 years), prone to leaks over time as seams can fail, requires more maintenance. Suitable for budget-conscious projects where lifespan is less critical.
- Rubber (EPDM): Good lifespan (15-20+ years), seamless sheets reduce leak risk, flexible and weather-resistant. A good middle-ground option, but GRP often provides superior durability.
For many homeowners in Kent and Sussex looking for a long-lasting, reliable flat roof, GRP fibreglass is often the top choice. We can discuss the best option for your specific needs during a free consultation.
Roof leaks are a major worry for any homeowner in the UK, given our unpredictable weather. If you're concerned about leaks, GRP fibreglass roofing offers exceptional reliability. Because it's installed as a single, seamless membrane, there are no joints or seams where water can penetrate. This is a huge advantage over traditional felt roofs which are joined in sections and can become vulnerable to leaks over time, especially as they age and the felt degrades or seams split. With GRP, properly installed by experienced professionals like Century Roofing, the risk of leaks is dramatically reduced, giving you confidence and protection for your home.
Have more questions? Get in touch with our friendly team!
Call Us: 01732 444922EXCELLENT
The GRP Installation Process
Choose Century Roofing & Building today
Installing a GRP roof is a specialist job. It involves preparing the roof deck meticulously, often replacing old boards. We then apply the liquid resin and fibreglass matting in layers, building up strength. Special trims are used for edges and details. Everything is then fully cured, creating that strong, waterproof barrier. It's a process that requires skill and attention to detail to ensure a perfect, long-lasting result.
- Comprehensive Roofing & Building Services
- New Roofs & Re-roofing (Pitched & Flat)
- Expert Roof Repairs (Leaks, Tiles, Flashing)
- Flat Roofing Specialists (EPDM, GRP, Felt)
- Fascia, Soffit & Guttering Installation/Repair
- Conservatory Warm Roof Conversions
- Local & Trusted (Ditton-Based, serving Kent, Surrey, Sussex)
- Fully Insured for Your Peace of Mind
- Free Quotes & Professional Advice