10 Best Felt Roof Leak Repair in The UK
Last updated on 06/09/2025
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Best Choice
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Siramico Coatings Liquid Rubber Roof Coating | 5 Litres | Instant Leak Seal Technology I Quick Drying, One Coat Waterproofing Sealant | Black, Grey & Clear (Black, 5 Liters)
SIRAMICO COATINGS
SIRAMICO COATINGS
Siramico Coatings Liquid Rubber Roof Coating | 5 Litres | Instant Leak Seal Technology I Quick Drying, One Coat Waterproofing Sealant | Black, Grey & Clear (Black, 5 Liters)
Why We Love It
- Versatile for various surfaces.
- No primer or second coat.
- 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.
Value for Money
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Flat Roof Waterproofing Compound 5L with Application Brush – Quality Flat Roof Sealant Paint - House and Shed Roofing Repair and WaterProof Coating DIY - for Bitumen, Asphalt, Felt, Concrete, Metal
NOVECRAFTO
NOVECRAFTO
Flat Roof Waterproofing Compound 5L with Application Brush – Quality Flat Roof Sealant Paint - House and Shed Roofing Repair and WaterProof Coating DIY - for Bitumen, Asphalt, Felt, Concrete, Metal
Why We Love It
- Ideal for roof repairs.
- Versatile waterproofing protection.
- Easy DIY application.
Main Highlights
- IDEAL FOR ROOF REPAIRS: Set off Flat roof sealant paint with an application brush included. It’s a reliable choice for maintaining older roofs or preventing leaks, resealing, waterproofing, and repairing existing roofs for houses and sheds. The compound keeps roofs watertight almost immediately after application.
- VERSATILE WATERPROOFING: Effectively seals and protects a variety of surfaces, roof repair paint for asphalt roofs, felt roofs, concrete decks, asbestos-cement sheeting, metal sheeting, slates, and tiles.
- EASY APPLICATION: Roof sealant paint spreads smoothly with the included brush. For best results, ensure the surface is clean and dry before applying two coats of this compound. Ideal for DIYers - just mix well and start sealing.
- DURABLE FIBRE-REINFORCED PROTECTION: Contains organic fibres, waterproof paint sealant provides strength and stability, creating a long-lasting barrier against water, even in harsh weather conditions.
- GREAT VALUE FOR MONEY: A cost-effective shed roof paint waterproof solution delivering high-quality waterproofing, saving you from expensive roof repairs. Ideal for flat roofs, sheds ect.
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Polar Bitumenseal Grey Paint - 5KG - Instant Waterproof Bitumen Roof Sealant - Ideal for Leaks, Cracks & Pitched Roof Repair - Concrete, Brick, Asphalt, Drainpipes & Gutters - Easy to Apply
Polar Specialist Coatings
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Polar Specialist Coatings
Polar Bitumenseal Grey Paint - 5KG - Instant Waterproof Bitumen Roof Sealant - Ideal for Leaks, Cracks & Pitched Roof Repair - Concrete, Brick, Asphalt, Drainpipes & Gutters - Easy to Apply
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Why We Love It
- Instant and durable waterproof seal.
- Easy, one-coat application process.
- Long-lasting, protective finish.
Main Highlights
- Instant Waterproof Seal: The ideal solvent-free solution for immediate and complete sealing of emergency leaks or cracks. Apply directly to the affected area to quickly seal and protect. This bitumen roof sealant forms a robust, waterproof membrane to keep damp and water out, ensuring reliable long-term results
- One Coat Application: Efficiently seal cracks or leaks with just one coat, saving you time and effort. A 5kg container covers up to 5m², delivering optimal waterproof protection with a single application. This bitumen paint solution is suitable for various uses, ensuring excellent results. Perfect for both residential and commercial applications
- Multi-Surface Compatibility: Specially formulated with reinforced fibres that interlace to provide reliable protection. The water-resistant solution offers a resilient finish that works on drain pipes, gutters, GRP, flat and pitched roofs, bitumen, metal, fibreglass, and concrete
- Easy to Apply: No primer is needed before applying Polar Bitumenseal waterproofing paint. Apply immediately and directly for instant protection. Clear the affected area of moss and debris, and remove any surface water, oil, or grease. Use a brush or roller depending on the size of the area. Touch dry within 3 hours. Allow 24 hours to fully dry. Note: Should not be applied in poor drying conditions or when rain is imminent
- Attractive Finish: Polar Bitumenseal is a water-based solution that provides long-lasting protection. Available in grey, white, and black finishes and is available in a convenient 5kg size to suit any job. Dries to form a durable and water-resistant finish, ensuring a professional and clean appearance every time
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5 Year Guarantee Against Future leaks. 5 KG One Coat Roof Repair Compound (All roof Types Including Asbestos, Felt, Bitumin, Tiled, GRP) Grey
binoa
binoa
5 Year Guarantee Against Future leaks. 5 KG One Coat Roof Repair Compound (All roof Types Including Asbestos, Felt, Bitumin, Tiled, GRP) Grey
Why We Love It
- Assures long-term material reliability.
- Addresses various leakage issues effortlessly.
- Application process is user-friendly.
Main Highlights
- Acrylic so the repair will last a long time
- Water proofs the damaged area quickly and effectively
- Brush or Roller Apply Cold Apply No Special Tools Needed
- Air drys and shower proof immediately
- Gap Fills Cracks and Splits & Elastic Properties Resist Future Cracking
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Polar Black Felt Seal - 2.5 Litre - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply
Polar Specialist Coatings
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Polar Specialist Coatings
Polar Black Felt Seal - 2.5 Litre - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply
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Why We Love It
- Instant waterproof sealant solution.
- Easy one-coat application.
- Provides long-lasting protection.
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 for tough, hard-wearing and instant 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.
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SIRAMICO COATINGS Leak Stop Rapid Leak Repair Paint Instant Waterproof Leak Sealer | GREY 1 Litre | Perfect for Flat and Pitched Felt, Shed & Garage Roofs | Easy to Apply & Fast Dry
SIRAMICO COATINGS
SIRAMICO COATINGS
SIRAMICO COATINGS Leak Stop Rapid Leak Repair Paint Instant Waterproof Leak Sealer | GREY 1 Litre | Perfect for Flat and Pitched Felt, Shed & Garage Roofs | Easy to Apply & Fast Dry
Why We Love It
- Instant waterproofing for various surfaces.
- Single coat, no primer necessary.
- Enhanced with fibres for durability.
Main Highlights
- DURABLE PROTECTION - Leak Stop Rapid Leak Repair Paint has a tough and durable finish suitable for immediately sealing damaged and leaking roof surfaces such as flat roofs, felt, bitumen, garages, sheds etc. Durable and resilient, it protects against damage from the elements.
- READY TO USE - Leak Stop Rapid Leak Repair Paint is ready to use, no primer required before application. Easy to use, simply apply Leak Repair Paint immediately for instant waterproof protection. Thoroughly clean the affected area of moss, debris and surface water, oil or grease before starting.
- APPLICATION - Apply Siramico's Leak Stop Rapid Leak Repair Paint by brush or roller. The drying time is between 15-30 minutes. One coat is sufficient.
- PROFESSIONAL GRADE FINISH - The Rapid Leak Repair Paint gives a smooth professional looking finish with instant protection. The fast drying formula ensures minimal downtime. Ideal for both domestic and commercial use, it provides a reliable solution to all your waterproofing needs.
- INSTANT PROTECTION - Designed to be tough and provide instant protection, this sealant is perfect for emergency repairs or maintenance to drains, gutters and roofs. Provides long lasting protection to cracked surfaces in all weather conditions.
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Polar Black Felt Seal - 1 Litre - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply
Polar Specialist Coatings
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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
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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
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SIRAMICO COATINGS | Leak Stop Rapid Roof Repair BLACK Paint | 1 Litre | Instant Waterproof Roof Sealant | Perfect for Flat and Pitched Felt, Shed & Garage Roofs | Can Be Applied to Damp Surfaces
SIRAMICO COATINGS
SIRAMICO COATINGS
SIRAMICO COATINGS | Leak Stop Rapid Roof Repair BLACK Paint | 1 Litre | Instant Waterproof Roof Sealant | Perfect for Flat and Pitched Felt, Shed & Garage Roofs | Can Be Applied to Damp Surfaces
Why We Love It
- Seals roofing surfaces instantly.
- One-coat, no-primer application.
- Exceptional durability and bonding.
Main Highlights
- INSTANT WATERPROOFING: Provides immediate protection against leaks and damage.
- VERSATILE APPLICATION: Suitable for various roofing materials, including felt, bitumen, garages, and sheds.
- EASY TO USE: One-coat application with no primer required for hassle-free repairs.
- DURABLE AND LONG-LASTING: Reinforced with fibers for exceptional durability and long-lasting protection.
- EMERGENCY REPAIR SOLUTION: Ideal for quickly addressing leaks and damage in roofing surfaces.
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Polar Clear Leak Fix Spray - 400ml - Waterproof Roof Sealant - Instantly Seals Leaks and Cracks, for Lasting Protection on Roofs, Drainpipes and Gutter Repairs, for Interior and Exterior Use
Polar Specialist Coatings
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Polar Specialist Coatings
Polar Clear Leak Fix Spray - 400ml - Waterproof Roof Sealant - Instantly Seals Leaks and Cracks, for Lasting Protection on Roofs, Drainpipes and Gutter Repairs, for Interior and Exterior Use
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Why We Love It
- Instant, thorough waterproof sealing.
- Long-lasting protective formula.
- Extremely user-friendly application.
Main Highlights
- Waterproof Seal: The ideal solution for instant waterproof sealant on leaks or cracks. Apply roof sealant paint to the affected area to seal. The paint forms a waterproof membrane to keep water out. Easy to apply with a brush or roller, ensuring complete coverage. Durable and resilient, it safeguards against damage from severe weather
- One Coat Repair: Don’t waste any time sealing cracks or leaks. Polar LeakFix works in one coat, This flat roof sealant paint provides instant repair on flat or pitched roofs. With 500ml covering up to 0.5㎡, its quick-drying formula ensures minimal downtime. Ideal for both residential and commercial use, offering a reliable solution for all your waterproofing needs
- Instant Protection: Formulated with reinforced fibres for tough, hard-wearing, and instant protection. This black sealant is perfect for emergency repairs or maintenance on drain pipes, gutters, and roofs. It gives long-lasting protection to cracked surfaces and performs reliably in all weather conditions, ensuring peace of mind
- Easy To Apply: No primer needed before applying Polar Leakfix. Apply waterproofing sealant immediately for instant waterproof protection. Clear the affected area of moss, debris, and surface water, oil, or grease thoroughly. The sealant becomes touch dry within 3-4 hours. Designed for DIY enthusiasts and professionals, achieving thorough sealing
- Multi-Purpose Use: Ideal water sealant for felt shed roofs, asphalt, bitumen surfaces, gutters, drainpipes, concrete, brick, GRP, fiberglass, and metal roofing. Available in Clear, Grey, and Black. Ensures versatility across applications, with a seamless finish for robust protection. Please note: Our paint is not compatible with copper surfaces
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Polar Black Felt Seal - 500ml - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply
Polar Specialist Coatings
Free Shipping
Polar Specialist Coatings
Polar Black Felt Seal - 500ml - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply
Free Shipping
Why We Love It
- Instantly seals emergency leaks.
- One coat instant repair.
- Easy to apply.
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