10 Best Waterproof Sealant for Roof Felt in the UK 2025
Updated on 21/07/2025
#1
Recommended
Free Shipping
- Durable finish seals leaks in flat roofs, garages, and sheds.
- No primer needed; ready-to-use for quick application.
- Easy application with brush or roller; dries in 15-30 minutes.
- Professional finish with reliable waterproofing for domestic and commercial use.
- Provides immediate and long-lasting protection against weather damage.
Read More
- Durable finish seals leaks in flat roofs, garages, and sheds.
- No primer needed; ready-to-use for quick application.
- Easy application with brush or roller; dries in 15-30 minutes.
- Professional finish with reliable waterproofing for domestic and commercial use.
- Provides immediate and long-lasting protection against weather damage.
#2
Value for Money
Free Shipping
- Quickly seals leaks or cracks in outdoor felt roofs with a simple application directly to the affected area.
- Achieves reliable waterproof protection in just one coat, covering up to 1㎡ per litre for effective repairs.
- Compatible with various surfaces, including felt, drainpipes, gutters, asphalt, metal, brick, and concrete for versatile waterproofing.
- Formulated with reinforced fibres for immediate and lasting protection against water damage in all weather conditions.
- Requires no primer for application; ensure the area is clean and use a brush or roller, with touch drying in 3-4 hours.
Read More
- Quickly seals leaks or cracks in outdoor felt roofs with a simple application directly to the affected area.
- Achieves reliable waterproof protection in just one coat, covering up to 1㎡ per litre for effective repairs.
- Compatible with various surfaces, including felt, drainpipes, gutters, asphalt, metal, brick, and concrete for versatile waterproofing.
Read More
#3
Free Shipping
- Roof waterproofer suitable for various roofing materials like asphalt, felt, concrete, metal, and tiles.
- Provides immediate water resistance after application.
- Multipurpose bitumen roofing compound.
- Contains organic fibers for enhanced strength and stability.
- Recommended application is two coats at a coverage of 1-1.25m² per litre, depending on surface porosity.
Read More
- Roof waterproofer suitable for various roofing materials like asphalt, felt, concrete, metal, and tiles.
- Provides immediate water resistance after application.
- Multipurpose bitumen roofing compound.
- Contains organic fibers for enhanced strength and stability.
- Recommended application is two coats at a coverage of 1-1.25m² per litre, depending on surface porosity.
#4
Free Shipping
- Sika / Everbuild provides a comprehensive range of products for professionals and DIY consumers.
- Sika focuses on minimizing climate change impact by reducing energy consumption, resulting in lower costs and improved competitiveness.
- The company aims to deliver innovative solutions that enhance the efficiency, durability, and aesthetics of buildings, infrastructure, installations, and vehicles, promoting positive environmental impact.
- Sika is dedicated to sustainable development, offering energy-efficient construction solutions and eco-friendly vehicle options while enhancing social and ecological sustainability.
- Founded in 1927, Sika Group manufactures a diverse array of advanced systems in construction, industrial manufacturing, automotive, and DIY sectors.
Read More
- Sika / Everbuild provides a comprehensive range of products for professionals and DIY consumers.
- Sika focuses on minimizing climate change impact by reducing energy consumption, resulting in lower costs and improved competitiveness.
- The company aims to deliver innovative solutions that enhance the efficiency, durability, and aesthetics of buildings, infrastructure, installations, and vehicles, promoting positive environmental impact.
Read More
#5
Free Shipping
- Forms a waterproof sealant for immediate use on leaks or cracks in felt roofs, such as garages and sheds.
- Provides instant repair with a single coat, covering up to 0.5㎡ with a 500ml application, suitable for both flat and pitched roofs.
- Contains reinforced fibres for durable protection, ideal for emergency maintenance on drain pipes, gutters, and roofs; offers long-lasting sealing after drying.
- No primer required; easy application directly to prepared surfaces using a brush or roller, with touch drying in approximately 3-4 hours.
- Specifically designed for felt surfaces, offering optimal waterproofing for sheds, garages, or caravans, and can be used on various other surfaces like asphalt and concrete.
Read More
- Forms a waterproof sealant for immediate use on leaks or cracks in felt roofs, such as garages and sheds.
- Provides instant repair with a single coat, covering up to 0.5㎡ with a 500ml application, suitable for both flat and pitched roofs.
- Contains reinforced fibres for durable protection, ideal for emergency maintenance on drain pipes, gutters, and roofs; offers long-lasting sealing after drying.
Read More
#6
Free Shipping
- Instant protection with a single coat application
- Effective waterproofing for roofs
- Reinforced with fibers for added strength
- Multiple color options: White, Black, Clear, and Grey
Read More
- Instant protection with a single coat application
- Effective waterproofing for roofs
- Reinforced with fibers for added strength
- Multiple color options: White, Black, Clear, and Grey
#7
Free Shipping
- Provides a waterproof seal for emergency leaks and cracks, forming an effective membrane to prevent dampness.
- Requires only one coat for sealing, suitable for both flat and pitched felt roofs, and covers up to 0.5㎡ per 500ml.
- Contains reinforced fibres for durable, immediate protection on drain pipes, gutters, and roofs, ensuring longevity after drying.
- No primer needed before applying; clear the area of debris and moisture, and it touches dry within 3-4 hours depending on application method.
- Optimized for felt surfaces, ideal for felt roofs on sheds, garages or caravans, and also effective on asphalt, metal, brick, and concrete.
Read More
- Provides a waterproof seal for emergency leaks and cracks, forming an effective membrane to prevent dampness.
- Requires only one coat for sealing, suitable for both flat and pitched felt roofs, and covers up to 0.5㎡ per 500ml.
- Contains reinforced fibres for durable, immediate protection on drain pipes, gutters, and roofs, ensuring longevity after drying.
Read More
#8
Free Shipping
- Non-toxic once cured and packaged in a 310ML cartridge for convenient use with any standard caulking gun. Ensure surfaces are clean and dry prior to application.
- Bonds effectively to various materials including brick, concrete, lead, zinc, ceramic, and insulation panels.
- Butyl-based sealant offers superior waterproofing for roofs, ideal for sealing leaks and weatherproofing gutters, roofing felt, chimneys, and more.
- Prevents corrosion on metals, making it effective for bonding, assembling, and repairing ventilation ducts, drainage systems, aerials, and pipe outlets.
- Can be applied in temperatures between +8°C and +35°C, providing dependable performance throughout the year.
Read More
- Non-toxic once cured and packaged in a 310ML cartridge for convenient use with any standard caulking gun. Ensure surfaces are clean and dry prior to application.
- Bonds effectively to various materials including brick, concrete, lead, zinc, ceramic, and insulation panels.
- Butyl-based sealant offers superior waterproofing for roofs, ideal for sealing leaks and weatherproofing gutters, roofing felt, chimneys, and more.
Read More
#9
Free Shipping
- Robust waterproof tape that provides strong protection against leaks and cracks in various conditions.
- Offers long-lasting, self-adhesive sealing on indoor and outdoor surfaces without the need for additional glue.
- Suitable for a variety of surfaces, protecting against UV rays and ideal for repairing home leaks, roofs, and plumbing.
- User-friendly application allows for quick repairs in hard-to-reach areas by ensuring surfaces are clean and dry before application.
- Available in multiple sizes and colors, catering to the needs of both DIY enthusiasts and professionals.
Read More
- Robust waterproof tape that provides strong protection against leaks and cracks in various conditions.
- Offers long-lasting, self-adhesive sealing on indoor and outdoor surfaces without the need for additional glue.
- Suitable for a variety of surfaces, protecting against UV rays and ideal for repairing home leaks, roofs, and plumbing.
Read More
#10
23% Off
Free Shipping
- Professional-grade leak repair tape that is durable and versatile
- Ideal for various home repairs including roof, gutter, and plumbing leaks
- User-friendly waterproof tape that allows for easy application by anyone
- Resistant to extreme temperatures, ensuring long-lasting performance
- Includes one roll of butyl tape suitable for multiple surfaces like metal, glass, and concrete
Read More
- Professional-grade leak repair tape that is durable and versatile
- Ideal for various home repairs including roof, gutter, and plumbing leaks
- User-friendly waterproof tape that allows for easy application by anyone
- Resistant to extreme temperatures, ensuring long-lasting performance
- Includes one roll of butyl tape suitable for multiple surfaces like metal, glass, and concrete
Brown Silicone Sealant For Wood
See All
Waterproof Paint For Bathroom
See All
Indian Stone Patio Sealer
See All
