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Flat Roof Paints
Flat roof coatings are designed to tackle the unique challenges posed by standing water, UV exposure, and thermal movement. These cold-applied systems form a durable, flexible membrane across a range of substrates, helping to prevent damage and extend roof life. In cases where minor cracks or water ingress have already appeared, many products also complement leaking roof repairs, providing an effective way to reinforce vulnerable areas before full coating.
Cromar Cromapol Acrylic Roof Coating - Fibre Reinforced
A waterproofing, fibre reinforced liquid acrylic resin dispersed in solvent designed to prevent the ingress of water on flat roofs, pitched roofs, weathered asphalt and bituminous surfaces, gutters, concrete, brickwork, fibreglass, felt and metal (galvanised and ferrous). Excellent adhesion ‐ instant protection - no wash‐off Available in...
Eagle Aquapol Acrylic Roof Coating
For emergency roof repairs and routine maintenance on most surface types on failed industrial and domestic roofs. The coating is instantly waterproof after a single coat, applying even in damp conditions, remaining flexible with exceptional weather resistance. Instant roof repair for most roof types: Galvanised steel Iron zinc...
Watco Roofite Pour & Restore
A thick, flexible and highly watertight pourable-grade roof coating which can be applied by squeegee - enabling large areas of flat roof to be coated quickly and easily. Ideal for performing repairs to concrete, felt and asphalt. Part of the Roofite range - a range of products to repair, protect and waterproof roofs For the standard...
Eagle Desmopol Liquid Polyurethane Membrane
Waterproofs flat roofs, walkways and balconies, protecting against corrosion. 15-25 year guarantee - please see 'Guarantee Information' below for details Holds BBA/ETA certification for life expectancy in excess of 25 years Easy and quick application. No reinforcement required Can be applied even with zero pitch No seams or overlaps...
Rust-Oleum LeakSeal
Product Description Available in Black, White, Clear and Aluminium. Interior and exterior use. For use on metal, aluminium, PVC, masonry, asphalt roofing materials, and more. Flexible rubber coating seals leaks and cracks. Provides a watertight, paintable finish. Dries to a semi-smooth, firm finish that will not sag or...
Rust-Oleum Mathys Fillcoat Fibres
Available in dark or light grey. Instantly stops leaks and repairs cracks in roofs, terraces, gutters, ridge-pieces, chimney stacks, and pipes. For bituminous surfaces, hard PVC, polyester, zinc, aluminium, glass, and tiles. Applicable in all weather. UV resistant, hydrophobic.
Blackfriar Professional Solar Reflective Paint White
Blackfriar Professional White Solar Reflective Paint is a specially formulated reflective acrylic coating for reducing solar heat gain on tiles, felt, asphalt, wood, masonry and concrete surfaces. Reflective, textured finish Waterproofs and protects Flexible - allows for contraction and expansion Resists surface fungal growth Easy to...
Bullet Roof Mono
BBA Approved and formulated to the highest specification, this flat roof paint can be applied over almost any surface with or without full reinforcement dependent on performance/specification requirements and can achieve life expectancies of up to 25 years. Moisture cured allowing application in most weather conditions Excellent adhesion...
Britannia Aquashield High Build
A solvent-based, instantly waterproofing coating for exterior pitched or flat roofs, bitumen, asbestos cladding, metal, fibreglass roofs and more. Contains added fibres that interlace to cover up small gaps or cracks in the substrate. Rainfall immediately after application has no adverse effect Can be applied by brush or roller
Rust-Oleum Mathys Fillcoat
Available in black, light grey and dark grey. Instant leak stoppage; Ideal for roofs, non-walkable terraces, gutters, ridge-pieces, chimney stacks, and pipes. Excellent adhesion to a variety of substrates. Can be applied in all weather conditions.
Britannia Durashield
A smooth, cold applied rubber-based waterproofing flat and pitched roof system for a longer lasting seamless coating - a ten year life expectancy with just one coat over surfaces. Rainfall immediately after application has no adverse effect No primer (except on porous/friable surfaces) Reduced labour costs Flexible elastomeric system...
Eagle Ultraflex Waterproof Roof Coating
A high-performance, waterproofing system that can be used all year round on new and existing roofs, walkways, balconies, gutters, etc, with excellent adhesion to a variety of substrates, forming a seamless membrane that is fully cured and trafficable after 24 hours. Ready to use straight out of the tin - application with a solvent resistant...
KoverTek TekCryl One Coat Roof Repair
Cold applied to all types of roofs and structures, including flat, pitched as well as bituminous surfaces, gutters, brickwork, asbestos (see product data sheet), concrete, felt, metal & fibreglass surfaces. Note: TekCryl is not suitable for walkways or balconies and is not and not suitable for us on PVC or treated/sawn timber surfaces or...
Eagle DoubleCoat Pro-Reflect Liquid Waterproofing
A liquid elastomeric waterproofing membrane reinforced with microfibers and high aluminium content, for waterproofing of most types of roof surfaces and exposed metal structures. Highly recommended for industrial units and warehouses. For most roofs: Galvanised steel Iron zinc Asbestos Cement Roofing felt Asphalt Bituminous...
Cromar Rubber Coat Waterproof Coating
Cromar Rubber Coat Waterproof Coating (formerly Cromar Rubber Coat Liquid Roof Coating) is a brush, roll-on and sprayable high-performance coating that can be applied over many existing surfaces including concrete, wood, brick and metal, forming a durable and seamless waterproof membrane. Freeze/thaw stable; Water based; UV resistance - not...
Rust-Oleum Fillcoat Fibres Repair Kit
Available in dark grey. Waterproof elastic paint with crack-bridging fibres. For roofs, non-walkable terraces, gutters, ridge-pieces, chimney stacks, and pipes. Excellent adhesion to many substrates. Can be applied in all weather conditions.
Britannia Aquashield Eco
An acrylic, water-based, highly elastic coating for use on flat roofs, pitched roofs, weathered asphalt and bituminous surfaces, gutters, concrete, brickwork, GRP and fibreglass, felt and metal. Solvent free Dries to form durable and water-resistant finish Particularly suitable for general maintenance work Eco friendly formula...
Flag Roofix 20/10 Roofing Repair
A single pack elastomeric acrylic based (non-bitumastic) compound, with built in Draylon fibre reinforcement which has been specifically developed to provide instant waterproofing for leaking roofs. It can be used to repair specific areas that are leaking or waterproof an entire roof. For exterior use on flat roof areas, gutters, lead...
Bullet Roof RainStop
A high-build coat that is ideal for carrying out repairs to flat roofs, pitched roofs and gutters. Suitable substrates include weathered asphalt and bituminous surfaces, concrete, brickwork, fibreglass, felt and galvanised/ferrous metals. Not for use on timber surfaces, balconies, walkways, new/aged/plasticised PVC. Approx coverage:...
Britannia Aquashield Smooth
A solvent-based, ready to use product for waterproofing flat roofs, pitched roofs, weathered asphalt and bituminous surfaces, gutters, concrete, brickwork, fibreglass, felt and metal (galvanised and ferrous), instantly. Particularly suitable for general maintenance work Smooth coat recommended for easy-flow application Rainfall...
Rust-Oleum Mathys Dacfill HZ
Available in 2 shades of Grey. Two-component waterproofing coating for horizontal roofs. Provides durable protection. For bitumen, concrete, pre-painted surfaces, and roof tiles. Quick drying, touch dry in 1.5 hours. UV, acid rain, heat, frost, and pollution resistant. Professional use only.
Coo-Var Solar Reflective Paint Aluminium
Aluminium solar-reflective paint. Reduces heat build-up by deflecting sunlight. For stable felt, concrete, wood, and brick surfaces, primarily for roofs. High-reflective sheen finish.
Eagle Bitumen Trowel Mastic
A heavily bodied bituminous mastic for filling joints, cracks and splits in roofing and building materials such as roofing felt, asphalt, concrete, asbestos cement and metallic guttering and drainpipes. Immediately resists water penetration after application Apply by trowel or putty knife Typical coverage 2m²/litre (at 2mm thickness)
Cromar Hydrosil Silicone Roof Coating
A professional grade, solvent based, liquid applied, single component, moisture‐cure premium silicone coating that has been specifically formulated to deliver direct‐bond adhesion as a restoration and maintenance coating over most common roof substrates and membranes. Part of the Hydrosil Fluid Applied Professional Grade Silicone Coating...
Britannia Aquashield Standard
A ready to use, instantly waterproofing solvent-based coat for exterior pitched or flat roofs, bitumen, metal o fibreglass roofs, asbestos cladding and more. Contains added fibres that interlace to cover up small gaps or cracks in the substrate. Rainfall immediately after application has no adverse effect Can be applied by brush or...
Watco Roofite
A unique blend of bitumen, rubber and tough fibre reinforcement that instantly weatherproofs and refurbishes roofs. Ideal for performing repairs to split, cracked, holed and porous asbestos, corrugated iron, concrete, tiled and felted roofs. Part of the Roofite range - a range of products to repair, protect and waterproof roofs Flexible –...
Coo-Var Solar Reflective Paint White
White acrylic solar-reflecting paint designed to reduce heat build-up. For concrete, stable felt, wood, and brick surfaces, primarily on roofs. VOC content under 140g/l, Offers strong protection from sunlight.
Watco Balcony Coating
A flexible waterproofer for balconies and walkways. 2 component product comprising of synthetic resins, silica sands and selected cements. Permanently flexible, anti-slip surface Resistant to weathering and UV One coat usually sufficient Hard wearing for heavily used surfaces Note: While great care is taken with the colour samples...
Eagle Desmopol Waterproofing Roofing Kits 15 Year Guarantee
Contains enough material to apply a fully waterproof system on 6m², 12.5m² or 25m² of flat roof, walkway or balcony. The kit is suitable for application on to most roofing substrates including Concrete*, TPO*, EPDM*, Single Ply*, Rubber*, Asphalt, Felt, GRP, Plywood and OSB. *Eagle Primer PU-1000 would need to be purchased separately for use...
Eagle Aluminium Paint
Eagle Aluminium Paint, a topcoat for bitumen coatings and substrates that provides protection against solar degradation and heat gain with a solar-reflective finish. Dry in approx. 1 hour For use on: Bituminous coatings Aged asphalt Primed steel Apply by brush or mohair roller Requires just 2 coats
Tor Elastadeck Grit Coat
Tor Elastadeck Grit Coat is a two pack moisture activated polyurethane coating with zero solvent odour, providing a long term waterproofing membrane for protection of balconies. Basecoat with grit broadcast as part of a multi-layer Elastadeck Balcony System providing a hardwearing, resin flooring system, designed to waterproof and provide slip...
Tor Elastadeck Sealer Coat
Tor Elastadeck Sealer Coat is a high solids two-pack flexible sealercoat based on a polyaspartic resin system available in 8 colours. A zero solvent odour, flexible top coat for use within the Elastadeck range to encapsulate anti-slip aggregates and provide a durable, full gloss finish. A fast-curing, hardwearing, resin flooring system,...
Cromar Cromapol Acrylic Roof Coating - Fibre Free
A waterproofing, fibre free liquid acrylic resin dispersed in solvent designed to prevent the ingress of water onflat and pitched roofs, roof lights, flashings, fibre cement sheeting, gutters, slate, asphalt, lead, metal and roofing felt (primed). Excellent adhesion No wash‐off Excellent solar reflectivity (white & grey) Fully...
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Flat Roof Paints
Flat roofs remain a popular architectural choice across both residential and commercial properties, offering clean lines and efficient use of space. However, their horizontal design exposes them to long periods of standing water, temperature swings, and continuous UV exposure. To combat these conditions, high-performance coatings are required, many of which are formulated to move with the substrate and resist cracking or peeling. A wide variety of roof paints now offer long-term durability on felt, concrete, GRP, and asphalt surfaces, with options for spray, roller, or brush application depending on the size and complexity of the project.
Before applying any flat roof coating, surface preparation is essential to ensure the system adheres correctly and performs over time. Built-up dirt, algae, and loose debris can interfere with adhesion, so cleaning with appropriate roof cleaners helps create the ideal base for priming and topcoating. With innovations in elastomeric and silicone-based technologies, many of today’s flat roof coatings are rain-resistant within hours and can provide waterproofing for up to 25 years when properly maintained.
Flat Roof Paint FAQs
Can flat roof paint stop active leaks?
Yes, many elastomeric and silicone-based flat roof paints are formulated to seal small leaks and bridge minor cracks. Products like Mathys Fillcoat are particularly effective for emergency situations, offering waterproofing even in damp conditions.
Is flat roof paint safe to use on bitumen and felt surfaces?
Absolutely. Most flat roof coatings are formulated to bond with common substrates such as bitumen, felt, and mastic asphalt. Always check the product datasheet for surface compatibility before starting the job.
How should I prepare my flat roof before painting?
Start with a thorough clean using appropriate roof cleaners to remove algae, dirt, and loose debris. Then inspect the surface for cracks, blisters, or peeling areas, addressing any issues before applying a primer (if required) and the topcoat.
How long do flat roof paints typically last?
Lifespans vary depending on the product; some offer protection for 5 to 10 years, while high-end silicone coatings can last up to 25 years. Regular maintenance and prompt repairs will help extend the life of any flat roof coating.
Can flat roof paint be used as part of a full waterproofing system?
Yes, these paints are often the final layer of a multi-stage system involving primers, sealants, and reinforcement where needed. Many systems are designed to deliver long-term waterproofing without the need for hot works or membrane installation.