30+ Years Roofing & Building Experience

Flat Roof Installations

Action Roofing & Building Services

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    EPDM Roofs

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    Fibreglass Roofs

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    Felt Roofs

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    Commercial Flat Roofs

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    Residential Flat Roofs

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    Repairs & Upgrades

New Roof Installation Services by Action Roofing & Building

At Action Roofing & Building Services, we deliver expert flat roof installation services throughout Liverpool and the wider Merseyside region, backed by our more than 30 years of specialized experience in tackling the area’s challenging weather conditions like persistent rain, wind, and occasional coastal exposure.

Our full flat roofing service covers everything from initial structural assessments and free no-obligation quotes to complete new installations on extensions, garages, porches, outbuildings, or commercial properties. We focus on modern, high-performance systems such as EPDM rubber, GRP (fibreglass), and high-quality built-up felt alternatives, incorporating advanced insulation, proper drainage to prevent ponding, and seamless waterproofing techniques to ensure long-lasting protection.

Our skilled team handles all aspects—including deck preparation, vapour control layers, insulation upgrades for better energy efficiency, and precise detailing around upstands, outlets, and penetrations—while minimizing disruption to your home or business. With a strong emphasis on quality materials, compliance with UK building regulations, and customer-focused execution, we create flat roofs that are durable, low-maintenance, and designed to withstand Merseyside’s climate, often enhancing thermal performance to help reduce energy bills and adding value to your property.

Action Roofing & Building Services

Roofing Solutions To Meet Your Budget

GRP (Fibreglass) Flat Roofing

£80-£150 /m²
Superior durability with a lifespan of 25-40 years or longer$
Fully seamless, jointless surface for top-tier waterproofing$
High resistance to cracking, ponding water, UV, and chemicals$
Minimal maintenance required, no recoating needed in most cases$
Strong structural integrity with lightweight yet rigid performance$

EPDM Rubber Flat Roofing

£70-£120 /m²
Exceptional longevity of 40-50 years or more with proper installation$
Outstanding flexibility and weather resistance$
Seamless, large-sheet application that minimises leak risks$
Very low maintenance, just periodic inspections and debris clearance$
Excellent UV stability, preventing cracking or degradation over time$

Built-Up Felt Flat Roofing

£40-£80 /m²
Reliable lifespan of 15-25 years with modern modified bitumen layers$
Cost-effective choice without compromising essential protection$
Proven multi-layer construction for robust waterproofing against UK weather$
Low maintenance on new installations, focusing on regular checks and gutter clearing$
Versatile and straightforward application, suitable for garages, extensions, and smaller roofs$

Action Roofing & Building

Start Your Next Roofing Project With Us Today

EPDM Rubber Flat Roofing: Flexible Durability and Long-Term Reliability

EPDM (Ethylene Propylene Diene Monomer) rubber roofing is one of the most popular choices for flat roofs in the UK, especially in Liverpool and Merseyside, thanks to its proven track record as a synthetic rubber membrane that offers outstanding flexibility and weather resistance. Homeowners and businesses favor it for its exceptional longevity, with properly installed systems lasting 40-50 years or more, far outpacing many traditional options and providing excellent value over time. EPDM excels in UV resistance, remaining stable under constant exposure without cracking or degrading, and its seamless, large-sheet application reduces potential leak points while accommodating minor structural movement common in extensions or older properties. It requires very low maintenance—typically just periodic inspections and clearing of debris—making it hassle-free for busy residents. Additionally, EPDM is lightweight, eco-friendly with recyclable elements, and contributes to energy efficiency by pairing well with insulation layers to minimize heat loss in the region’s cooler, wetter climate, all while offering competitive installation costs that balance upfront affordability with long-term savings.

GRP (Fibreglass) Flat Roofing: Seamless Strength and Versatile Performance

GRP fibreglass flat roofing has surged in popularity across Merseyside for its modern, high-strength capabilities, creating a tough, jointless surface that’s ideal for complex roofs with multiple details like skylights, vents, or wall junctions often found in Liverpool homes. This material stands out for its impressive durability and lifespan of 25-40 years or longer when expertly installed, forming a rigid yet lightweight laminate that’s highly resistant to cracking, ponding water, and harsh weather extremes. GRP is favored for its seamless application, which eliminates vulnerable joints and provides superior waterproofing, along with excellent UV and chemical resistance to prevent degradation over time. It demands minimal maintenance, with no need for recoating in most cases and strong resistance to moss, algae, or rot, allowing homeowners to enjoy peace of mind with occasional checks. Versatile in finish options—including various colors and textures to match property aesthetics—GRP also supports good insulation integration for enhanced energy efficiency, making it a practical, premium-feeling choice for both residential and commercial flat roofs in the area.

Modern Felt Flat Roofing: Cost-Effective Traditional Reliability

Modern built-up felt roofing systems remain a trusted and widely chosen option in Liverpool and Merseyside for their affordability and straightforward performance, particularly for budget-conscious projects on garages, sheds, or smaller extensions where cost is a key factor. While traditional felt has evolved with improved modified bitumen layers and torch-on applications for better results, these systems typically offer a solid lifespan of 15-25 years with proper installation, providing reliable waterproofing at a lower upfront price compared to EPDM or GRP. Popular for their proven track record in UK conditions, felt roofs deliver good flexibility to handle minor movements and can incorporate insulation for decent thermal performance against the region’s damp weather. Maintenance is relatively low on new installations—focusing on regular gutter clearing and inspections to catch any issues early—while their multi-layer construction adds robustness against water ingress. As a versatile, economical choice, modern felt suits many properties without sacrificing essential protection, though we often recommend it alongside newer alternatives for those seeking extended longevity.

Flat Roofing Systems FAQ

What types of flat roofing materials do you offer?

We specialise in high-quality modern systems including EPDM rubber, GRP (fibreglass), and modern built-up felt variants. These are chosen for their reliability, performance, and suitability for properties across Liverpool and the wider Merseyside region.

How much does a new flat roof installation cost?

Costs depend on the roof size, complexity, access, and chosen material, but typical ranges (including materials and professional installation) are: EPDM rubber £70–£120 per square metre, GRP fibreglass £80–£150 per square metre, and modern built-up felt £40–£80 per square metre. We provide free, no-obligation quotes tailored to your project after a site visit.

How long does a flat roof last?

Lifespan varies by material and installation quality: EPDM rubber systems often last 40–50 years or more, GRP fibreglass typically 25–40 years, and modern built-up felt around 15–25 years. With our expert installation and proper care, you can achieve the upper end of these ranges.

How much maintenance does a flat roof require?

Modern flat roofs need very little ongoing maintenance. Annual inspections to check for debris, ensure drainage is clear, and look for any signs of wear are recommended. EPDM and GRP are particularly low-maintenance with no need for regular recoating, while felt benefits from similar routine checks to maximise longevity.

Can flat roofs be insulated for better energy efficiency?

Yes, absolutely. We can install warm roof systems with high-performance insulation above the deck, significantly improving thermal efficiency, reducing heat loss, and helping lower energy bills. This is especially beneficial when upgrading an older flat roof.

Are flat roofs suitable for solar panels or green roofs?

Yes, flat roofs are excellent for both. EPDM and GRP systems are compatible with ballasted or mechanically fixed solar panels, and many can support lightweight green roof systems. We can advise on load-bearing requirements and integrate these during installation.