Best Felt Roof Repair Sealant of 2025

Last updated on 14/10/2025
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Most Relevant
Best Choice
1
Bitumen All Weather Roofing Repair Compound Waterproof Roof Coating 25L
Bitumen All Weather Roofing Repair Compound Waterproof Roof Coating 25L
masterbitumens
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
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9.7
Exceptional
9.7
Exceptional
masterbitumens
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
Show More
Value for Money
2
5 Year Guarantee Against Future leaks. 5 KG One Coat Roof Repair Compound (All roof Types Including Asbestos, Felt, Bitumin, Tiled, GRP) Grey
5 Year Guarantee Against Future leaks. 5 KG One Coat Roof Repair Compound (All roof Types Including Asbestos, Felt, Bitumin, Tiled, GRP) Grey
Unknown
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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9.7
Exceptional
9.7
Exceptional
Unknown
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
Show More
3
Polar Bitumenseal Black Paint - 5KG - Instant Waterproof Bitumen Roof Sealant - Ideal for Leaks, Cracks & Pitched Roof Repair - Concrete, Brick, Asphalt, Drainpipes & Gutters - Easy to Apply
Polar Bitumenseal Black 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
Free Shipping
Why we love it
  • Instant waterproof seal solution.
  • Long lasting, durable protection.
  • Easy, one-coat application.
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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9.5
Superb
9.5
Superb
Polar Specialist Coatings
Polar Bitumenseal Black Paint - 5KG - Instant Waterproof Bitumen Roof Sealant - Ideal for Leaks, Cracks & Pitched Roof Repair - Concrete, Brick, Asphalt, Drainpipes & Gutters - Easy to Apply
Free Shipping
Why we love it
  • Instant waterproof seal solution.
  • Long lasting, durable protection.
  • Easy, one-coat application.
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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4
Superb 5 yr guarantee, 5 KG One Coat Black Roof Repair Compound (All roof types including Asbestos, Felt, Bitumin, Tiled, GRP)
Superb 5 yr guarantee, 5 KG One Coat Black Roof Repair Compound (All roof types including Asbestos, Felt, Bitumin, Tiled, GRP)
binoa
Why we love it
  • Long-lasting material, guarantee of 5 years.
  • Instant waterproofing for damaged areas.
  • Resists future cracking with elasticity.
Show More
9.5
Superb
9.5
Superb
binoa
Superb 5 yr guarantee, 5 KG One Coat Black Roof Repair Compound (All roof types including Asbestos, Felt, Bitumin, Tiled, GRP)
Why we love it
  • Long-lasting material, guarantee of 5 years.
  • Instant waterproofing for damaged areas.
  • Resists future cracking with elasticity.
Show More
5
Everbuild Black Jack 905 – All Weather Roof Coating – Solvent-Based – Fibre-Reinforced – Fast Drying – Weatherproof – Black – 5 Litre
Everbuild Black Jack 905 – All Weather Roof Coating – Solvent-Based – Fibre-Reinforced – Fast Drying – Weatherproof – Black – 5 Litre
Everbuild
35% Off
Why we love it
  • Quick drying for efficient use.
  • Super strong, weatherproof finish.
  • Versatile, complete waterproof coating.
Main Highlights
  • QUICK DRYING FORMULA – This brushable bitumen compound dries fast and is ready for a second coat in 24 hours.
  • SUPER STRONG FINISH – Solvent-based formula with added fibres to reinforce the strength and weatherproofing of the coating.
  • IDEAL FOR WEATHERPROOFING APPLICATIONS – Designed to deliver an immediate waterproof coating to non-plastic guttering, structural steelwork and other roofing applications.
  • SUITABLE FOR USE ON A RANGE OF SUBSTRATES – Use it to reseal and weatherproof a range of materials, including asphalt and felt roofing, concrete decks and sheeting, metal sheeting, tiles and more.
  • COMPLETE WATERPROOF COATING – Versatile enough to use as a protective barrier on walls and roofs to prevent water and vapour entry.
  • A CHOICE OF SIZES – Available in both 5-litre and 25-litre tins to suit your project size.
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9.5
Superb
9.5
Superb
Everbuild
Everbuild Black Jack 905 – All Weather Roof Coating – Solvent-Based – Fibre-Reinforced – Fast Drying – Weatherproof – Black – 5 Litre
35% Off
Why we love it
  • Quick drying for efficient use.
  • Super strong, weatherproof finish.
  • Versatile, complete waterproof coating.
Main Highlights
  • QUICK DRYING FORMULA – This brushable bitumen compound dries fast and is ready for a second coat in 24 hours.
  • SUPER STRONG FINISH – Solvent-based formula with added fibres to reinforce the strength and weatherproofing of the coating.
  • IDEAL FOR WEATHERPROOFING APPLICATIONS – Designed to deliver an immediate waterproof coating to non-plastic guttering, structural steelwork and other roofing applications.
  • SUITABLE FOR USE ON A RANGE OF SUBSTRATES – Use it to reseal and weatherproof a range of materials, including asphalt and felt roofing, concrete decks and sheeting, metal sheeting, tiles and more.
  • COMPLETE WATERPROOF COATING – Versatile enough to use as a protective barrier on walls and roofs to prevent water and vapour entry.
  • A CHOICE OF SIZES – Available in both 5-litre and 25-litre tins to suit your project size.
Show More
6
Polar Black Felt Seal - 1 Litre - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply
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
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
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9.4
Superb
9.4
Superb
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
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7
Cromar Grey Cromapol Acrylic Waterproofing Roof Sealant Fibre Reinforced Roof Coat 5Kg
Cromar Grey Cromapol Acrylic Waterproofing Roof Sealant Fibre Reinforced Roof Coat 5Kg
Ashbrook Roofing
Why we love it
  • Instant protection in one coat.
  • Fibre reinforced for durability.
  • Personalization with color options.
Main Highlights
  • One Coat Instant Protection
  • Waterproofing Roof Sealant
  • Fibre Reinforced
  • Available in White, Black, Clear and Grey
Show More
9.2
Superb
9.2
Superb
Ashbrook Roofing
Cromar Grey Cromapol Acrylic Waterproofing Roof Sealant Fibre Reinforced Roof Coat 5Kg
Why we love it
  • Instant protection in one coat.
  • Fibre reinforced for durability.
  • Personalization with color options.
Main Highlights
  • One Coat Instant Protection
  • Waterproofing Roof Sealant
  • Fibre Reinforced
  • Available in White, Black, Clear and Grey
Show More
8
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
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
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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9.0
Superb
9.0
Superb
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.
Show More
9
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 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
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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9.0
Superb
9.0
Superb
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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10
Roof Sealant - Waterproof Bitumen Sealant for Roofing Felt and Gutter, Roof Felt Adhesive - Black Paste Rubber - Stops Leaks & Weatherproof (310ML)
Roof Sealant - Waterproof Bitumen Sealant for Roofing Felt and Gutter, Roof Felt Adhesive - Black Paste Rubber - Stops Leaks & Weatherproof (310ML)
professional soma fix
15% OffFree Shipping
Why we love it
  • Non-toxic and safe for use.
  • High-grab adhesion for durability.
  • Outstanding waterproofing for roofing.
Main Highlights
  • SIMPLE & SAFE - Non-toxic when cured. Supplied in a 310ML cartridge for easy application with a standard caulking gun. Ensure the surface is clean and dry before use
  • HIGH-GRAB ADHESION - Roof sealant bonds exceptionally well to brick, concrete, lead, zinc, ceramic, and insulation panels
  • WATERPROOF - Butyl-Based Sealant provides outstanding water resistance for roofings. Perfect for sealing leaks and weatherproofing roofs, gutters, roofing felts, chimneys, and more
  • PREVENTS CORROSION - Helps prevent metal corrosion on vehicles and is suitable for bonding, assembling, and repairing ventilation ducts, drainage systems, aerials, and pipe outlets
  • WEATHERPROOF - Suitable for application in temperatures ranging from +8°C to +35°C, ensuring reliable performance all year round
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8.9
Excellent
8.9
Excellent
professional soma fix
Roof Sealant - Waterproof Bitumen Sealant for Roofing Felt and Gutter, Roof Felt Adhesive - Black Paste Rubber - Stops Leaks & Weatherproof (310ML)
15% OffFree Shipping
Why we love it
  • Non-toxic and safe for use.
  • High-grab adhesion for durability.
  • Outstanding waterproofing for roofing.
Main Highlights
  • SIMPLE & SAFE - Non-toxic when cured. Supplied in a 310ML cartridge for easy application with a standard caulking gun. Ensure the surface is clean and dry before use
  • HIGH-GRAB ADHESION - Roof sealant bonds exceptionally well to brick, concrete, lead, zinc, ceramic, and insulation panels
  • WATERPROOF - Butyl-Based Sealant provides outstanding water resistance for roofings. Perfect for sealing leaks and weatherproofing roofs, gutters, roofing felts, chimneys, and more
  • PREVENTS CORROSION - Helps prevent metal corrosion on vehicles and is suitable for bonding, assembling, and repairing ventilation ducts, drainage systems, aerials, and pipe outlets
  • WEATHERPROOF - Suitable for application in temperatures ranging from +8°C to +35°C, ensuring reliable performance all year round
Show More