High-Performance Flat Roofing Systems: EPDM & Liquid Waterproofing
A reliable flat roofing system requires a durable, waterproof membrane engineered to withstand standing water, UV exposure, and seasonal temperature shifts. Whether you are installing a new flat roof or carrying out a flat roof refurbishment, choosing the right waterproofing solution ensures decades of leak-free protection with minimal maintenance.
We provide industry-leading cold-applied flat roofing systems tailored to residential, commercial, and industrial projects—featuring Fix-R Sure-Seal EPDM rubber roofing and Lava 20 polyurethane liquid roofing.
Our Flat Roofing Waterproofing Systems
Fix-R Sure-Seal EPDM Rubber Roofing
Fix-R Sure-Seal EPDM is a high-performance single-ply synthetic rubber membrane designed for long-term durability and fast, clean installation. Supplied in large, seamless sheets, this EPDM flat roof system eliminates the vulnerable joints and seams commonly found in traditional torch-on felt roofs.
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50+ Year Life Expectancy: Proven resistance to UV radiation, ozone, and extreme weather without cracking, splitting, or blistering.
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Flame-Free Cold Installation: Installed using water-based and contact adhesives, completely removing the fire hazards associated with hot works and gas torches.
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High Elasticity & Flexibility: Stretches over 300% to accommodate natural structural movement and thermal expansion without tearing.
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Seamless Large-Sheet Coverage: Available in wide rolls up to 15 metres, allowing most domestic extensions, garages, dormers, and porches to be waterproofed in a single piece.
Lava 20 Polyurethane Liquid Roofing
Lava 20 is a seamless, moisture-triggered polyurethane liquid waterproofing membrane. Once applied, it cures to form a tough, permanently elastic protective barrier that bonds directly to almost any existing roof substrate.
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Seamless Complex Detailing: The ideal liquid roof coating for flat roofs with multiple penetrations, rooflights, vents, upstands, and awkward angles where sheet membranes are difficult to flash.
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25-Year Certified Lifespan: BBA-certified durability delivering heavy-duty resistance against ponding water, foot traffic, and harsh weather conditions.
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Fast-Curing & All-Weather Application: Can be applied year-round and becomes rain-resistant shortly after application, minimizing weather delays on site.
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Cost-Effective Roof Overlay: Bonds directly to existing felt, asphalt, concrete, timber, and metal roofs—saving time and money by avoiding noisy, expensive strip-outs.
EPDM Rubber vs. Liquid Roofing: Which System Is Best?
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Fix-R Sure-Seal EPDM
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Lava 20 Liquid Roofing
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Best Suited For
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New builds, garages, extensions, and clean open roof decks
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Complex roofs, balconies, walkways, and roof refurbishments
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Application Method
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Single-ply rubber membrane bonded with cold adhesives
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Seamless liquid waterproofing applied by roller or brush
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Detailing & Upstands
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Formed using pre-moulded corners and uncured flashing tape
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Self-terminating liquid forms a continuous jointless seal
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Expected Lifespan
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50+ years
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25+ years
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Overlay & Repairs
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Overlays sound decks; easily patched if damaged
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Overlays existing substrates; easily recoated to extend life
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Key Benefits of Modern Cold-Applied Flat Roofing
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Zero Heat or Open Flames: Both EPDM and liquid roofing systems use safe, cold-applied installation methods for complete peace of mind on occupied buildings.
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Low-Maintenance Finish: Smooth, non-porous surfaces resist moss and algae growth, requiring only periodic visual checks and gutter clearing.
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Standing Water & Weather Resistant: Engineered to handle ponding water and heavy rainfall without degrading or delaminating.
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Long-Term Value: Extended service lifespans eliminate the ongoing cost of patchwork repairs associated with traditional mineral felt roofs.
Flat Roofing Frequently Asked Questions
Can you apply liquid roofing or EPDM over an existing flat roof?
Yes. Both Lava 20 liquid roofing and Fix-R Sure-Seal EPDM can be installed over existing roof surfaces such as mineral felt, asphalt, or timber, provided the underlying roof deck is structurally sound, dry, and properly prepared.
Which lasts longer: EPDM rubber or polyurethane liquid roofing?
Fix-R Sure-Seal EPDM offers an expected service life of over 50 years, making it ideal for open, straightforward roof areas. Lava 20 provides a 25-year BBA-certified lifespan and can be easily recoated in the future to extend its protection even further.
Are these flat roofing systems safe for domestic extensions and garages?
Yes. Because both systems are 100% flame-free and cold-applied, they are widely chosen for residential extensions, garage roofs, dormers, and balcony waterproofing where safety and clean installation are top priorities.
Request a Flat Roofing Quote or Technical Advice
Not sure whether Fix-R Sure-Seal EPDM or Lava 20 liquid waterproofing is right for your roof? Contact our team today with your roof measurements and substrate details for expert specification advice and a free, no-obligation quote.
