10 Best Caravan Mastic Sealant Tape in the UK 2025
Updated on 22/07/2025
#1
Recommended
4% Off
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- Instantly seals leaks in RVs, vents, skylights, and more with a permanent waterproof bond.
- Effective for repairing rips, tears, and seams on various surfaces, including low-pressure pipes and venting systems.
- Compatible with multiple materials such as plastic, metal, rubber, and vinyl; remains flexible in cold temperatures.
- User-friendly application with a peel-and-stick design and durable Butyl construction for long-lasting performance.
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- Instantly seals leaks in RVs, vents, skylights, and more with a permanent waterproof bond.
- Effective for repairing rips, tears, and seams on various surfaces, including low-pressure pipes and venting systems.
- Compatible with multiple materials such as plastic, metal, rubber, and vinyl; remains flexible in cold temperatures.
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#2
Value for Money
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- Versatile sealing solution for various caravan and motorhome fittings such as joints, rails, roof-lights, vents, and window surrounds.
- Compatible with multiple surfaces, including aluminium mouldings, exterior lights, and trims for a secure seal.
- Durable and weather-resistant, designed to protect against leaks and outdoor damage.
- User-friendly application process for maintaining and upgrading fittings without professional help.
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- Versatile sealing solution for various caravan and motorhome fittings such as joints, rails, roof-lights, vents, and window surrounds.
- Compatible with multiple surfaces, including aluminium mouldings, exterior lights, and trims for a secure seal.
- Durable and weather-resistant, designed to protect against leaks and outdoor damage.
- User-friendly application process for maintaining and upgrading fittings without professional help.
#3
31% Off
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- Used for waterproof and airtight sealing on windows, doors, windshields, RVs, and various roofing materials for both indoor and outdoor applications.
- Compatible with a variety of surfaces including glass, wood, metals, plastic, and rubber; effective at sealing against wind, water, dust, oil, and corrosive chemicals.
- Made from synthetic rubber, the LLPT Butyl Putty Tape is 3.5mm thick, characterized by its non-drying and non-hardening properties, offering high viscosity and elasticity for reliable sealing.
- Designed for easy application, the sealant tape provides instant adhesion; recommended to clean the surface before use and adhere it at temperatures around 10°C for best performance.
- LLPT offers a diverse range of industrial and commercial tapes with varying sizes and thicknesses; explore additional products like PET Repair Tape, Aluminum Foil Tape, and Silicone Tape on Amazon.
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- Used for waterproof and airtight sealing on windows, doors, windshields, RVs, and various roofing materials for both indoor and outdoor applications.
- Compatible with a variety of surfaces including glass, wood, metals, plastic, and rubber; effective at sealing against wind, water, dust, oil, and corrosive chemicals.
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#4
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- Versatile sealing solution for caravan and motorhome fittings like joints, rails, roof-lights, vents, and window surrounds.
- Compatible with various surfaces, including aluminium mouldings and external trims, ensuring a secure seal.
- Weather-resistant mastic strip designed to protect against leaks and damage in outdoor conditions.
- User-friendly application allows for easy maintenance and upgrades without professional help.
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- Versatile sealing solution for caravan and motorhome fittings like joints, rails, roof-lights, vents, and window surrounds.
- Compatible with various surfaces, including aluminium mouldings and external trims, ensuring a secure seal.
- Weather-resistant mastic strip designed to protect against leaks and damage in outdoor conditions.
- User-friendly application allows for easy maintenance and upgrades without professional help.
#5
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- Robust waterproof protection against leaks and cracks in various weather conditions.
- Industrial-strength, self-adhesive sealing tape offers durable indoor and outdoor use without extra glue.
- UV ray resistant, suitable for repairing home leaks, roofs, gutters, and various surfaces including boats and plumbing.
- User-friendly application allows for easy sealing of leaks in hard-to-reach areas; surface should be clean and dry.
- Available in Clear and Black, with three sizes to accommodate different repair requirements.
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- Robust waterproof protection against leaks and cracks in various weather conditions.
- Industrial-strength, self-adhesive sealing tape offers durable indoor and outdoor use without extra glue.
- UV ray resistant, suitable for repairing home leaks, roofs, gutters, and various surfaces including boats and plumbing.
- User-friendly application allows for easy sealing of leaks in hard-to-reach areas; surface should be clean and dry.
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#6
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- Heavy duty white butyl tape designed for waterproof sealing
- Dimensions of 3mm thickness, 19mm width, and 9.1m length
- Suitable for use on RVs, windows, and glass surfaces
- Versatile butyl sealant tape ideal for motorhomes
- Available in colour variations
- Effective butyl seal tape for various sealing applications
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- Heavy duty white butyl tape designed for waterproof sealing
- Dimensions of 3mm thickness, 19mm width, and 9.1m length
- Suitable for use on RVs, windows, and glass surfaces
- Versatile butyl sealant tape ideal for motorhomes
- Available in colour variations
- Effective butyl seal tape for various sealing applications
#7
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- Professional butyl tape with 20 years of surface protection and strong adhesive properties. Suitable for temperatures ranging from -50 to 130°C, and UV-resistant for durability.
- All-white design for a clean appearance that blends seamlessly with surfaces. The aesthetic look enhances professionalism and maintains its appearance over time.
- UV-resistant to prevent degradation from sunlight, ensuring reliable leak and damage protection for up to 20 years.
- User-friendly application: simply clean the surface, peel the protective film, and press firmly to secure the tape.
- Versatile compatibility with various materials including plastic, metal, wood, and glass. Ideal for sealing roof leaks, caravan seams, and insulating electrical systems, though not suitable for silicone surfaces.
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- Professional butyl tape with 20 years of surface protection and strong adhesive properties. Suitable for temperatures ranging from -50 to 130°C, and UV-resistant for durability.
- All-white design for a clean appearance that blends seamlessly with surfaces. The aesthetic look enhances professionalism and maintains its appearance over time.
- UV-resistant to prevent degradation from sunlight, ensuring reliable leak and damage protection for up to 20 years.
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#8
13% Off
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- Waterproof and UV-resistant, this sealant tape protects against extreme weather and moisture.
- Easy to install: simply peel and apply to seal rips or seams on various surfaces.
- Versatile use for a range of vehicles including RVs, motorhomes, trailers, and more; not suitable for silicone surfaces.
- Designed for long-lasting repairs, providing a permanent solution for outdoor applications.
- Includes a rubber roller for enhanced adhesion during application.
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- Waterproof and UV-resistant, this sealant tape protects against extreme weather and moisture.
- Easy to install: simply peel and apply to seal rips or seams on various surfaces.
- Versatile use for a range of vehicles including RVs, motorhomes, trailers, and more; not suitable for silicone surfaces.
- Designed for long-lasting repairs, providing a permanent solution for outdoor applications.
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#9
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- Permanently waterproof and airtight, ideal for repairing holes and cracks.
- Effective under various weather conditions, including wet, dry, hot, and cold.
- Flexible rubberized backing conforms to uneven surfaces.
- Suitable for repairs on window frames, inflatables, gutters, and roofing.
- Apply to a clean, dry surface for optimal results and ensure proper sizing.
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- Permanently waterproof and airtight, ideal for repairing holes and cracks.
- Effective under various weather conditions, including wet, dry, hot, and cold.
- Flexible rubberized backing conforms to uneven surfaces.
- Suitable for repairs on window frames, inflatables, gutters, and roofing.
- Apply to a clean, dry surface for optimal results and ensure proper sizing.
#10
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- Non-setting mastic sealing strip for effective sealing
- Width: 19mm
- Thickness: 2.5mm
- Length: 19 metres
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- Non-setting mastic sealing strip for effective sealing
- Width: 19mm
- Thickness: 2.5mm
- Length: 19 metres
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