Professional roofers from Kevington Roofing and Building LTD performing a new roof installation on a house in Bromley

Expert GRP Fibreglass Roofing in Southborough


Call Your Local Southborough Expert
01689 663319
Serving Southborough & Kent

Why Choose Glass Reinforced Plastic for Your Flat Roof?

Glass Reinforced Plastic, commonly known as GRP or fibreglass, is a premium flat roofing material renowned for its exceptional durability and impact resistance. Unlike traditional felt, which can blister and tear under intense sun or heavy frost, GRP creates a continuous, joint-free surface. This makes it one of the most reliable waterproof roofing options available for homes across Kent.Whether you need a tough, trafficable surface for a balcony or a sleek, maintenance-free covering for a new garden room, a seamless roofing system eliminates the weak points where leaks typically begin. At Kevington Roofing and Building LTD, we install these advanced systems to provide long-term weather protection that significantly outlasts older roofing methods.

Croydon & South London

01689 663319

Get An Estimate

Roofer working on a flat roof installation or repair
Trusted Flat Roofing Experts

Why Choose Kevington for GRP Fibreglass Roofing in Swanley & Kent?

Our Southborough GRP Flat Roof Installation Process

  1. Initial Inspection and Drone SurveyWe start by assessing your existing roof structure. Using advanced drone technology, we can safely and accurately identify issues with your current flat roof without the need for immediate scaffolding.2. Safe Removal and Deck PreparationOur team strips away the old, failing roof coverings down to the joists if necessary. We then install new, high-quality oriented strand board (OSB3) decking to provide a robust, stable foundation for the fibreglass.3. Applying the GRP SystemWe lay down specially designed fibreglass matting and saturate it with a catalysed resin. This forms a chemical bond with the decking, creating a tough, completely seamless waterproof layer. We carefully detail all edges, upstands, and trims to ensure zero weak spots.4. Final Topcoat and InspectionOnce the resin cures, we apply a fire-rated, UV-resistant topcoat in a colour of your choice. We conduct a final rigorous inspection to ensure the finish meets our strict quality standards before signing off the project.

Long-Lasting Benefits of Seamless Roofing Systems

Upgrading to a GRP flat roof provides a host of practical benefits that add real value to your property. Here is why so many Southborough homeowners are making the switch:Exceptional Longevity: When professionally installed, a GRP roof can easily last over 30 years without deteriorating.Completely Waterproof: Because the system is laid as a liquid and cures into a single, seamless sheet, there are no joints or seams for water to penetrate.High Impact Resistance: Fibreglass is incredibly tough. It easily withstands heavy foot traffic, falling debris, and extreme weather conditions.Zero Maintenance: A fibreglass roof does not attract moss or algae growth like traditional materials, meaning you will not need to spend time or money on ongoing maintenance.Kerb Appeal: The sleek, architectural finish of a GRP roof looks fantastic on both traditional 1930s semis and modern new builds.

Meeting UK Building Regulations in Kent

Replacing a flat roof is not just about keeping the rain out; it is also an opportunity to improve your home's thermal efficiency. When upgrading more than 25% of your flat roof, UK building regulations often require you to upgrade the insulation at the same time. This is known as creating a 'warm roof'.As trusted local experts, Kevington Roofing and Building LTD handles all the complex red tape for you. We ensure that your new flat roof installation in Southborough complies strictly with Part L of the building regulations, using high-quality rigid insulation boards to keep your home warm in the winter and cool in the summer. As a registered UK company (No: 12676001), we follow all safe working practices and provide guarantees that give you total peace of mind.

25 Years of Roofing Expertise You Can Trust

Based in Orpington, we proudly serve a 20-mile radius, providing dedicated roof repairs in Kent, South East London, and beyond. Whether you need a flat roof replacement in Southborough, an emergency repair in Royal Tunbridge Wells, or regular roof maintenance in Sevenoaks, Dartford, or Bromley, our local team is ready to respond.We believe in absolute transparency. We never use unknown sub-contractors, meaning the team that turns up at your door is directly employed by Kevington Roofing and Building LTD. We offer clear, itemised quotes so you know exactly what you are paying for, with no hidden surprises. Our reputation is built on 25 years of delivering reliable craftsmanship to the local community.

Why Choose Kevington Roofing and Building LTD?

Your trusted, fully insured roofing specialists delivering durable GRP fibreglass flat roofs across Swanley, Sevenoaks, Croydon, and Kent.

Local Kent & London Experts

Based in Orpington, we have a deep understanding of local building requirements, proudly serving a 20-mile radius including Swanley and Sevenoaks.

25 Years of Expertise

With over two decades of hands-on experience, our directly employed team ensures flawless GRP installations. We never use unknown subcontractors.

Premium GRP Fibreglass

We install high-grade, cold-applied liquid membranes engineered to withstand the harshest UK weather, providing a seamless, waterproof finish.

Transparent, Itemised Quotes

As a fully insured, registered UK company (No: 12676001), we provide detailed, no-obligation quotes with absolutely no hidden fees.

Newly installed flat felt roof with guttering

Frequently Asked Questions About GRP Roofing

How much does a flat roof installation in Southborough cost?The cost varies depending on the size of the roof, the complexity of the design, and whether structural repairs or new insulation are needed. We provide free, fully itemised quotes so you can review the exact costs before any work begins.Can a GRP fibreglass roof be walked on?Yes, standard GRP roofs can handle occasional foot traffic for window cleaning or maintenance. If you plan to use the area as a regular balcony or terrace, we can install a heavier-grade fibreglass system with an anti-slip finish.Can you install GRP in the winter?Fibreglass requires dry conditions and specific temperatures to cure properly. While we do install year-round, we monitor local Kent weather forecasts closely to ensure we only apply the resin under the optimal conditions for a perfect finish.

Call Now for a Free Quote

Roofing Services Across Croydon & South London: 01689 663319

What Our Clients Say About Kevington Roofing and Building LTD

"Fantastic service from the team at Kevington Roofing and Building today. They were recommended by a friend and I was very impressed. I’ll be using them again."

Celia Bennett

"Reliable and prompt - the Kevington team was able to view the property and provide options and transparent, itemised quotes on the same day I called. After deciding what level of work I wanted done, they returned soon after to carry out the roof repairs to a high standard without me even needing to be there."

Philip Day

"Highly recommended! Great price! First class job. Nothing was too much for these lads, very polite, got the job done and more. When they had finished they cleaned up that well, even took some of my own rubbish away for me. Well done lads! Not often you get a good, honest local roofer anymore! Thanks again."

Nick Mangnall

GRP Fibreglass FAQs

Frequently Asked Questions About GRP Flat Roofing

Got questions about upgrading or repairing your flat roof? Kevington Roofing and Building LTD provides expert answers on our durable, cold-applied liquid membrane systems for homes across Croydon & South London, Swanley, Sevenoaks, and Kent.

How much does a new GRP fibreglass roof cost in Swanley?

+

The cost of a fibreglass roof replacement in Kent depends on the size of the area and the condition of the underlying timbers. Generally, while the initial cost is slightly higher than felt, the fact that it lasts twice as long makes it the most cost-effective flat roof installation in the long run. We provide free, itemised quotes so you can see exactly where your money is going.

Can a GRP roof be installed in any weather?

+

Fibreglass needs dry conditions to cure correctly. While we can work throughout the year in Swanley, we carefully monitor the weather. We will never start a resin application if rain is forecast, as this would compromise the waterproof seal. Our team uses temporary coverings to keep your home dry at all times during the process.

Is GRP roofing noisy when it rains?

+

This is a common myth. When installed correctly with high-quality OSB3 decking and proper insulation, a GRP roof is no noisier than any other roofing material. In fact, many homeowners find it quieter than old thin felt roofs because of the solid timber base we install underneath the laminate.

How long will the installation take?

+

Most domestic flat roofs in Swanley, such as a standard garage or kitchen extension, can be completed in one to two days. We aim to work efficiently to minimise disruption to your daily routine, and we always make sure the site is safe and secure at the end of each day.

Still have questions? Contact our Croydon & South London Roofing experts today!

Call Us Now

Proudly Serving Orpington, Bromley, Kent & South East London

Kevington Roofing and Building LTD are your trusted local roofing experts, bringing over 25 years of hands-on experience to properties across South East London and Kent. Based in Orpington, we cover a 20-mile radius, providing fully insured, compliant, and reliable roofing solutions. Explore our primary service areas below.

Our Key Service Areas

Bromley & Bexley

  • Bromley: Orpington, Beckenham, Chislehurst, West Wickham, Biggin Hill
  • Bexley: Bexleyheath, Sidcup, Welling, Erith, Crayford
  • Emergency roof repairs across both boroughs

Kent, Croydon & Beyond

  • Kent: Sevenoaks, Dartford, Westerham, Swanley, Longfield
  • Croydon: Purley, Coulsdon, Sanderstead
  • Greenwich & Lewisham: Eltham, Blackheath, Catford
  • Covering a 20-mile radius from Orpington

Your Trusted Local Experts

  • Expertise with 1930s semis & Victorian terraces
  • Compliant with UK building control & local rules
  • Directly employed staff—no unknown subcontractors
  • Over 25 years of proven industry experience

Need Roofing Services?

Contact Kevington Roofing and Building LTD today for a transparent, no-obligation quote or fast response call-out across Kent and South London.

Call Us Today

If your specific location in South East London or Kent isn't listed, please don't hesitate to get in touch! We cover a wide 20-mile radius from our Orpington base.

Our South East London & Kent Coverage

Map shows our primary service areas across Orpington, Bromley, Kent, and South London.

Get a Free Quote for Your GRP Fibreglass Flat Roof Today!
Call Croydon & South London's Trusted Roofing Specialists on 01689 663319