10 Best Waterproof Liquid Rubber Paint For Felt Roof in The UK

Last updated on 23/08/2025

Advertising disclosure

Resincoat Liquid Rubber Roof Coating, Waterproof Sealant for Roofing, DIY Friendly Repair, Quick Drying Leak Seal Technology, Long-term Performance, One-Coat Outdoor Roof Paint, Black, 5 Litres

Why We Love It

DIY-friendly with one coat application.
UV stable, preventing discolouration.
Offers superb, cost-effective coverage.

Main Highlights

Easy DIY Friendly Application - No need for multiple coats and priming – Resincoat Liquid Rubber Waterproof Coating requires just one easy application with brush or roller, saving you time and energy while delivering professional-quality results.
Advanced Waterproofing Solution - Formulated to last, Resincoat Liquid Rubber is ideal for repairing flat or pitched roofs and other surfaces on substrates such as concrete, brick, asphalt, GRP, metal, felt, OSB and more.
Formulated for UK Weather - Manufactured in the UK and designed to withstand prolonged exposure to typical UK weather conditions with UV stability protecting from sunlight and discolouring.
Flexible Waterproof Membrane - Superb adhesion and efficient one-coat application create a seamless waterproof membrane with high flexibility and elasticity to last for 10 years or more. Apply and enjoy reliable waterproofing.
Reliable, Long-term Performance - Trust in the 10-year life expectancy of our waterproof sealant paint to keep your roof leak-free and corrosion-resistant. From emergency repairs or routine maintenance, Resincoat Liquid Rubber Roof Coating delivers enduring results for both DIY enthusiasts and industrial users.

Bitumen All Weather Roofing Repair Compound Waterproof Roof Coating 25L

Why We Love It

Easy brush application.
Water resistant instantly.
Enhanced with organic fibre.

Main Highlights

Brush Applied Recommended
Resistant to Water Almost Immediaetly
Master Bitumen All Weather roofing Compound
Colour : Black
Organic Fibre To add Strength And Stability

Siramico Coatings Liquid Rubber Roof Coating | 5 Litres | Instant Leak Seal Technology I Quick Drying, One Coat Waterproofing Sealant | Black, Grey & Clear (Clear, 5 Liters)

Why We Love It

Versatile for various surfaces.
Hassle-free single application.
Long-lasting waterproof protection.

Main Highlights

✅Designed for both flat and pitched roofs, this high-performance coating adheres to a wide range of surfaces, including asphalt, brick, concrete, GRP, metal, felt, OSB, and more.
✅No primer needed, no second coat required—just a single, easy application with a brush or roller. Siramico Coatings Liquid Rubber Coating is perfect for hassle-free DIY use, delivering a professional finish with minimal effort.
✅Forming a seamless, elastic membrane, this liquid rubber coating expands and contracts with your surface, providing strong adhesion and waterproofing that lasts up to 10 years.
✅Quick drying and ease to use straight out of the can liquid rubber solution for all your waterproofing requirements.

Liquid Rubber Waterproof Sealant - Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Black, 3.78 Litres

Free Shipping

Why We Love It

Impressive flexibility and UV stability.
Applies easily in dry conditions.
Environmentally friendly, odor-free solution.

Main Highlights

HIGHLY FLEXIBLE & DURABLE - Final membrane has over 1000% elongation preventing adhesion failure, and is UV Stable stopping the sun from degrading the product. Product remains tacky - not suitable for walking surfaces
HIGHLY FLEXIBLE & DURABLE - Final membrane has over 1000% elongation preventing adhesion failure, and is UV Stable stopping the sun from degrading the product
APPLICATION - Do not apply in wet conditions or within 24 hours of rain. Apply to a dry surface, free loose flaky paint and coatings or anything that would prevent adhesion. Typically cures within 24-48 hours!
CONVERSION - 1 US Gallon is equal to 0.83 UK Gallons - 5 US Gallons are equal to 4.16 UK Gallons
ENVIRONMENTALLY FRIENDLY - Liquid Rubber Waterproof Sealant/Coating is water based, containing no solvents, VOC's or harmful odors. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus
Packaging may vary

Liquid Rubber Basement and Foundation Repair Sealant - Waterproof Concrete Sealer & Crack Filler - Flexible Coating for Indoor & Outdoor Use - Waterproofing Paint - Black, 3.78 Litres

Free Shipping

Why We Love It

Highly flexible with 900% elongation.
No mixing required, easy application.
Safe for humans and pets.

Main Highlights

SUPERIOR FLEXIBLE SEALANT: Liquid Rubber's foundation sealer creates a permanent waterproof membrane for basement waterproofing, foundation leak repair, shower liners, and planter boxes. This professional-grade sealer delivers unmatched protection with 900% elongation, preventing leaks and water damage more effectively than traditional sealants
COMPLETE BASEMENT WATERPROOFING SYSTEM: Surpassing basic concrete paint, concrete sealers, and standard waterproof agents, this waterproofing membrane is designed to seal and protect against active leaks and moisture, making it perfect for basement leak and foundation repair. Seamlessly compatible with self leveling concrete applications
VERSATILE CONCRETE CRACK FILLER: The professional-grade rubber coating and rubber waterproofing technology maintains flexibility in all temperatures, preventing future cracks and damage. This liquid rubber waterproof sealant provides superior adhesion to concrete, masonry, wood, metal, and foundation surfaces, making it an ideal choice for your DIY projects
MAXIMUM COVERAGE & PERFORMANCE: This high-build basement sealer goes on like waterproof paint - Interior basement surfaces: 50 sq ft/gallon (requires: 2-3 coats), Exterior concrete sealer outdoor surfaces: 20 sq ft/gallon (requires: 3-4 coats). Apply between 50°F-90°F. For complete protection, use the rubber sealant with Liquid Rubber Geo-Textile on joints and transitions
IMPORTANT USAGE GUIDELINES: The water-based foundation sealer formula contains zero VOCs for safe indoor application. No mixing required! Apply by brush, roller, or professional sprayer as part of your basement waterproofing system. Not suitable for walking surfaces due to tackiness when cured
FOR A WATERTIGHT SYSTEM - Use rubber sealant with Liquid Rubber Geo-Textile on joints and transitions, fill small cracks with Liquid Rubber Sealant & Adhesive, and bridge joints, seams, vents, and protrusions where movement may occur. Scroll down for full application steps

Cromar Grey Cromapol Acrylic Fibre Reinforced Roof Coat Sealant Paint 2 x 5Kg

Why We Love It

Offers instant waterproof protection.
Bridges gaps with added fibres.
Applicable in various conditions.

Main Highlights

One Coat Instant Waterproof Protection
Added Fibres To Bridge Gaps
Used in Dry and Damp Condiitons
Coverage 1-2m2 per kg

5 Litre All Weather Roofing Compound Waterproof ROOF Coating

Why We Love It

Resilient immediate water resistance.
Universal roofing application.
Added durability and stability.

Main Highlights

BRUSH APPLIED ROOF WATERPROOFER,used to reseal, waterproof and repair many different types of roof coverings, including asphalt roofs, built-up felt roofs, concrete roof decks, asbestos-cement sheeting, metal sheeting including iron, steel, zinc and lead, and slates and tiles.
RESISTANT TO WATER ALMOST IMMEDIAETLY
GENERAL PURPOSE BITUMEN ROOFING COMPOUND
ORGANIC FIBRE TO ADD STRENGTH AND STABILITY
All Weather Roofing Compound should normally be applied in two coats at 1-1.25m² per litre depending upon porosity of the surface

Gorilla Waterproof Coat & Seal Black 946ml

20% OffFree Shipping

Why We Love It

Flexible and weatherproof protection.
Stops and prevents leaks.
Suitable for indoor and outdoor.

Main Highlights

*May not work for all types of plastic or rubber. Product is intended for localised usage, it is not designed to coat large surface areas.
FLEXIBLE & WEATHERPROOF: Gorilla Waterproof Coat & Seal liquid offers durable protection with its flexible and weatherproof formula, ensuring reliable defense against the elements for various surfaces and applications.
STOPS & PREVENTS LEAKS: The self-levelling formula seals and protects by smoothly covering small gaps and cracks to create a weatherproof, watertight seal. The liquid is easy to apply – you simply brush it, roll it or pour it.
INDOOR & OUTDOOR: Suitable for both indoor and outdoor use, offering reliable protection against water, air, and moisture for various surfaces and environments. Can be used for sealing small cracks indoor and out.
GREAT FOR: Roofing, gutters, downpipes, windows/uPVC, external chimneys, and small repairs on caravans, providing effective sealing and protection. Not for flashing applications, pipes under pressure or for use inside firebox.

Polar Specialist Coatings

Polar Black Felt Seal - 1 Litre - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply

Free Shipping

Why We Love It

Waterproof seal for emergencies.
One Coat repair solution.
Easy and specific application.

Main Highlights

Waterproof Seal: Quickly address emergency leaks or cracks with our easy-to-use outdoor sealant. Apply it directly to the affected area of your felt roof, whether it’s on a garage, shed, or another structure. The black sealant forms an immediate waterproof barrier, creating a durable membrane that effectively keeps out damp and water
One-Coat Repair: Save time with Polar FeltSeal, which delivers a reliable fix with just one coat. Ideal waterproof sealant for quick and effective repairs on various surfaces, it provides instant waterproof protection with minimal effort. Each litre covers up to 1㎡, ensuring dependable coverage exactly where you need it
Multi-Surface Compatibility: The ideal solution for instant waterproofing of felt roofs on sheds, garages, or caravans. Formulated specifically for optimal performance on flat or pitched felt roofs. For other surfaces such as drainpipes, gutters, asphalt, metal, brick, and concrete, use Polar LeakSeal for effective waterproof protection
Instant Protection: Formulated with reinforced fibres for tough, hard-wearing, and immediate protection, this waterproofing sealant is perfect for urgent repairs or maintenance. It provides lasting protection for cracked surfaces and performs reliably in all weather conditions, ensuring peace of mind
Easy Application: No primer is needed before applying Polar FeltSeal. Simply apply it directly for instant waterproof protection. Ensure the affected area is clean, free of moss, debris, and any surface water, oil, or grease. Depending on the size of the area, use a brush or roller for application. It will be touch dry within 3-4 hours

Tapel Liquid Rubber RV Roof Coating - 3X Stronger- White 1L - Waterproof Sealant for Leaks & Cracks, UV/Cold Resistant Paint for Metal, Wood & Concrete – Indoor/Outdoor Use

Free Shipping

Why We Love It

Effortless application and coverage.
Exceptional adhesion and durability.
Built for extreme weather.

Main Highlights

✔ 🔥 WHITE ARMOR ULTRA-UV DEFENSE: Lab-certified 2745h accelerated weathering (ASTM G154) withstands equivalent 11-year UV exposure - 3X longer than standard coatings. Bright white finish reflects 92% solar radiation, ideal for metal roofs & sun-exposed concrete in desert/coastal zones. Military-grade thermal stability (-40°F to 248°F).
✔ 💦 INSTANT DAMP-SURFACE BONDING: No waiting for concrete drying - apply directly on damp surfaces (Apply on dry surface for better bonding). 5.8MPa tensile strength grips cracked tiles/metal within 30mins.
✔ 🛡️ 300% WATERPROOF BOOST SYSTEM: 336h immersion-certified (EN 1504-2) creates submarine-grade barrier. Stops active leaks at 40PSI water pressure. Perfect for pool liners/basement walls. 10-year zero blistering guarantee with 3-coat application.
✔ 🎨 PRO-GRADE WHITE FINISHING: Self-leveling formula hides substrate imperfections with crisp white membrane (85% light reflectivity). Brush/roll/spray application (60-80mils wet) cures tack-free in 2hrs@50°F+. 35oz covers 21sq.ft - 30% faster than asphalt coatings.
✔ 🛠️ Application Tip: Extended periods of rain and cool weather can delay the curing process of waterproof adhesives. It's advisable to apply the waterproof glue during clear, sunny conditions and in an environment that remains relatively dry both before and after application. For optimal performance, the liquid rubber sealant should be applied in temperatures of 10˚C/50˚F or above, including the temperatures overnight.

9.0

Superb

We scanned 1467 products

We reviewed these offers relevant to the Waterproof Liquid Rubber Paint For Felt Roof within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Resincoat, masterbitumens, SIRAMICO COATINGS, Liquid Rubber, Cromapol, Gorilla, Polar Specialist Coatings, Tapel, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Waterproof Liquid Rubber Paint For Felt Roof in the market, we considered we took a deep dive into 7336 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Resincoat Liquid Rubber Roof Coating, Waterproof Sealant for Roofing, DIY Friendly Repair, Quick Drying Leak Seal Technology, Long-term Performance, One-Coat Outdoor Roof Paint, Black, 5 Litres. We love many things about this product by Resincoat. What sets it apart from the competition is DIY-friendly with one coat application. , UV stable, preventing discolouration. , Offers superb, cost-effective coverage.
The best value product for most shoppers and where user satisfaction is continuously the highest is Bitumen All Weather Roofing Repair Compound Waterproof Roof Coating 25L by masterbitumens based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Waterproof Liquid Rubber Paint For Felt Roof and the best cost-to-value ratio is Gorilla Waterproof Coat & Seal Black 946mlat Gorilla with a 20% discount.
Our list of the best Waterproof Liquid Rubber Paint For Felt Roof is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Waterproof Liquid Rubber Paint For Felt Roof in The UK

Related Deals You Might Like for Waterproof Liquid Rubber Paint For Felt Roof

Gorilla 84756 Waterproof Coat & Seal Black 473ml

Liquid Rubber Universal Waterproof Sealant - Universal Sealant Indoor & Outdoor - Concrete, Metal & Wood, Flex Roof Leak & Metal Roof - Cold & Wet Weather - PandaCoat - Made in EU (1 kg)

Gorilla Waterproof Black Coat & Seal Spray, 450ml – Flexible, Weatherproof Liquid Sealant | Seals out Water, Air & Moisture | For Roof Tiles, Brick, Wood, Metal, Concrete, Stone, Rubber, Plastics*

Waterproof Grey Roof Sealant | Extra Strong Flat and Shed Roof Sealant with Glass Fibers | Fix & Stop Leak for Gutters, Joints, Cracks | Leak Sealer Repair | TopBase ST Fiber | Grey | Made in EU (1kg)

Everbuild Black Jack 904 Roof Felt Adhesive – High Strength – Black – 1 Litre

Bond-It Bitumen Paint - 1 litre - Solvent-bourne bituminous black paint for waterproofing & weatherproofing steelwork, concrete, wood, asphalt & portable water tanks

Everbuild Everflex Roof and Gutter Sealant – Butyl-Based Sealant and Adhesive for Roofing – Excellent Weathering Properties – Black – 295 ml

Roof Sealant - Waterproof Bitumen Sealant for Roofing Felt and Gutter, Roof Felt Adhesive - Black Paste Rubber - Stops Leaks & Weatherproof (310ML)

Polar Black Felt Seal - 500ml - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply

Cromar Grey Cromapol Acrylic Waterproofing Roof Sealant Fibre Reinforced Roof Coat 5Kg

We scanned 1467 products

We concluded that: