10 Best Waterproof Sealing Tape For Roof Black in The UK

Last updated on 11/08/2025
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1
9.8
Exceptional
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LLPT Butyl Seal Putty Tape | for Leak Proof RV Repair Window Glass Boat Sealing EPDM Roof Patching (BST233) | Black | 25mm x 10m x 3mm Thick
LLPT
LLPT Butyl Seal Putty Tape | for Leak Proof RV Repair Window Glass Boat Sealing EPDM Roof Patching (BST233) | Black | 25mm x 10m x 3mm Thick
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Why We Love It
  • Highly versatile application uses.
  • Works on various surfaces.
  • Provides strong, airtight sealing.
Main Highlights
  • APPLICATION: Widely used for window and door waterproof reinforcement, airtight sealing, windshield, RV, retrofit, pipe, joint sealing, mobile home, glass, EPDM roof or galvanized metal roofing patching for indoor and outdoor.
  • WORKING PATTERNS: Suitable to be use on glass, fiberglass, wood, coated or uncoated metals, plastic, rubber at tight corners, unusual curves, uneven and most jagged surfaces; reliably shut off wind, water, dust, oil, grease, vapor, moisture, corrosive chemical and other leakages; paintable feature is making your installation area a seamless, clean, dry and heavy duty water tight workspace.
  • FEATURES: LLPT Butyl Putty Tape (3.5mm/0.14 inch thick) is made of synthetic composited rubber for non-drying, non-hardening and extremely working temperature that provides easy installation, easy forming, quick molding, shock-absorbing, mess free, air tight sealing, waterproof, high viscosity and elasticity.
  • EASY TO USE: LLPT Sealant Putty Tape delivers easy molding and instant adhesion to the surface of object. Simply clean the surface first for better bonding and release the butyl tape to areas you want to seal with proper press all around the tape. The ideal installation temperature is around 10 Celsius degree, to low will make the tape stiffer which might need a little bit longer time for molding.
  • LLP-TAPES: LLPT produces various tapes for industrial and commercial use with ideal sizes and thickness based on the desires of users. Search on Amazon for other LLPT tapes like PET Repair Tape, Woodworking Tape, Aluminum Foil Tape, Foam Tape, Black/Gray/Clear Acrylic Mounting Tape, Duct Tape, Silicone Tape, Caulking Tape, Gaffer Tape and so on.
9.8
Exceptional
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2
9.6
Superb
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LLPT Butyl Tape | Roof Sealant | Black | UV Stable RV Sealant Repair Tape | Extreme Durable Waterproof Airtight | for Window RV Repair Boat Trailer Motorhome Patching (SV62110BK2) | 51 mm x 15 m
LLPT
LLPT Butyl Tape | Roof Sealant | Black | UV Stable RV Sealant Repair Tape | Extreme Durable Waterproof Airtight | for Window RV Repair Boat Trailer Motorhome Patching (SV62110BK2) | 51 mm x 15 m
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Why We Love It
  • Superior surface bonding capabilities.
  • Durable and UV resistant.
  • No additional sealing required.
Main Highlights
  • MULTI-SURFACE ADHESION: LLPT RV Roof Repair Seal Tape is engineered for superior versatility, bonding effortlessly to a wide range of surfaces. Whether you're working with EPDM, Hypalon, TPO, aluminum, galvanized steel, wood, or fiberglass, this tape ensures a secure and lasting seal. It's ideal for use on metal buildings, trailer roofs, and sides, boats, canoes, drain pans, and more, providing a reliable solution for various repair needs, ensuring the surfaces remain protected and intact.
  • DURABILITY & UV RESISTANCE: Designed with durability, LLPT industry RV roof tape offers exceptional abrasion and corrosion resistance. It features a UV stable backing that withstands harsh sunlight and fluctuating temperatures, ensuring long lasting protection. This robust tape not only repairs but also creates a protective coating for your surfaces, making it a reliable choice for maintaining the integrity of your RV roof and other outdoor structures.
  • NO ADDITIONAL SEALING NEEDED: Featuring a TPO backing combined with advanced butyl adhesive without goopy mess, LLPT tape creates a robust waterproof, moisture proof, and airtight barrier that require no additional sealing. It remains flexible down to -70°F, ensuring performance in extreme conditions. This innovative design simplifies the repair process, offering a hassle free application that delivers long lasting protection without extra sealing products.
  • RELIABLE & EFFICIENT: Boasting a 15-20 year performance guarantee without yellowing, cracking or losing adhesion, LLPT seal tape provides exceptional peace of mind. It creates a strong, watertight bond that stands up to heavy rain and intense sun, preventing leaks and safeguarding your RV interior. With its proven resilience, LLPT tape ensures the RV remains protected from the elements, making it an essential addition to your maintenance toolkit.
  • EASE OF USE: LLPT RV Roof Repair Seal Tape simplifies the repair tasks with its easy to apply design. No trays or messy solvents are required, and its sticky surface adheres securely without the need for additional adhesives. This straightforward application process saves you time and effort, allowing you to quickly and efficiently address leaks and damage. For best results, ensure the surface is thoroughly dry before application and press the tape firmly.
9.6
Superb
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3
9.5
Superb
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Gorilla Waterproof Patch & Seal Tape Black 3m
Gorilla
Gorilla Waterproof Patch & Seal Tape Black 3m
36% OffFree Shipping
Why We Love It
  • Forms permanent, 100% waterproof bond.
  • Adapts to uneven surfaces.
  • Withstands extreme weather conditions.
Main Highlights
  • 100% WATERPROOF - Forms a permanent bond which is 100% waterproof and airtight. Perfect for patching holes, cracks, gaps and tears.
  • WORKS IN EXTREME CONDITIONS - Waterproof Patch and Seal Tape withstands wet, dry, hot or cold conditions.
  • UV RESISTANT - The UV resistant backing won't be affected by direct sunlight.
  • FLEX AND STRETCH - The rubberised backing can be flexed and stretched to adapt to uneven surfaces.
  • GREAT FOR Window frames, conservatories, inflatables, pond covers, gutters, pipes, roofing and more!
  • APPLICATION PREPARE For best results, apply the tape to a clean surface at room temperature. CUT Keep liner on tape and cut tape to desired size. Tape size should be larger than the repair area. POSITION Remove the release liner and place tape over the repair area. Tape cannot be repositioned once applied. PRESS Rub firmly across entire surface of tape to secure it to the repair area. *May not adhere to silicone or water-repellent materials.
  • NOT FOR USE Not for use on seams, applications under pressure, or automotive applications relating to the engine.
  • STORAGE Store tape on the top and bottom disc at room temperature. Edges of tape may be sticky.
9.5
Superb
Save 36%
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4
9.3
Superb
Bostik Flashband Self Adhesive Flashing Tape for Roofs, Provides an Instant Watertight Seal, Colour: Grey, 100mm x 10m
Bostik
Bostik Flashband Self Adhesive Flashing Tape for Roofs, Provides an Instant Watertight Seal, Colour: Grey, 100mm x 10m
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Why We Love It
  • Bonds instantly, ensuring watertight seal.
  • Application is simple, no equipment.
  • Compatible with most materials.
Main Highlights
  • FLEXIBLE BITUMEN STRIP - Bonds instantly to most building materials to provide a permanent, watertight seal in all climates
  • EASY TO APPLY – Can be applied using just hand pressure and a seam roller, No special equipment needed
  • USES - Repairing lead flashing, Sealing valley gutters, Mending leaks in drain pipes and guttering, and much more
  • BONDS TO MOST MATERIALS - Brick, masonry, slates, metal, terracotta tiles, roofing felt and more
  • CONTENTS - 1x Bostik Flashband Self Adhesive Flashing Tape for Roofs, Colour: Grey, 100mm x 10m
9.3
Superb
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5
9.2
Superb
Global Self-Adhesive Roof Flashing Tape (10m)| for Roof Repair, Gutter Repair | Bitumen Tape (Outdoor Use) Various Widths (100mm, Lead)
GLOBAL SELF-ADHESIVE PRODUCTS LTD.
Global Self-Adhesive Roof Flashing Tape (10m)| for Roof Repair, Gutter Repair | Bitumen Tape (Outdoor Use) Various Widths (100mm, Lead)
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Why We Love It
  • Replaces expensive lead flashing.
  • Seals windows and doors.
  • Adheres to almost any surface.
Main Highlights
  • ·REPLACES EXPENSIVE LEAD FLASHING GSA Flashing Tape is a roof repair tape designed for easy application, replacing the need for costly lead flashing. The strong self-adhesive bituminous sealing strip provides an instant bond, making this heat-resistant waterproof tape an effective yet affordable sealing tape solution for repairing roofs. Delivering an instant permanent watertight seal, this roof sealant tape is highly cost-effective. For optimal results in cold wet environments heat before use.
  • SEAL WINDOWS & DOORS This sealing tape can be used as window flashing tape to tightly seal off the gaps between windows/doors and the exterior of the house. By installing window flashing tape beneath your siding around your window, you can seal it from air and moisture. This can help you prevent rot, cracking and leaks in the future. Due to it being resistant to heat, it’s suitable for all outdoor environments and can withstand extreme temperature fluctuations.
  • ADHERES TO ALMOST ANY SURFACE Roof flashing tape made with a bituminous sealant is able bond to most surfaces, including concrete, wood, slates, brick, metal, glass, plastic, roofing felt and roof tiles. This makes this roof repair tape not only a viable option for sealing roofs, roof ridges and skylights, but a great waterproof tape for outdoor use, and endless applications in construction / home improvements. It adheres to almost any surface to create a watertight seal that is permanent.
  • VERSATILE WATERPROOF TAPE This high-strength waterproof repair tape is a multi-purpose tape that can be used for everything from repairing lead flashing, sealing roof ridges and sealing doors and window to repairing leaks in and around a property. For instance, it can be used as gutter repair tape to fix leaks in drain pipes and guttering. It can also be used to protect pipe and tank insulations, and can be used to repair green houses.
  • EASY TO APPLY BY HAND Quick and easy to apply, this waterproof repair tape is ideal for professionals and DIY beginners. The sealing tape has a flexible lamination, meaning it can be easily positioned by hand. Simply cut the tape to length, then remove the release liner before placing the tape into position. Use a seam roller to ensure all edges are firmly sealed. Do not use in temperatures below 5°C (if using when it’s below 15°C, store the tape in a warm environment prior to use).
9.2
Superb
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6
9.0
Superb
Gorilla Waterproof Patch & Seal Tape Black 3m (3 Pack)
Gorilla
Gorilla Waterproof Patch & Seal Tape Black 3m (3 Pack)
Free Shipping
Why We Love It
  • Extra-Strong and Waterproof Solution.
  • Stops Leaks Instantly and Permanently.
  • Ideal for Indoor and Outdoor Use.
Main Highlights
  • *May not work for all types of plastic or rubber.
  • EXTRA-STRONG & WATERPROOF: Gorilla Patch & Seal Tape is the extra-strong rubberised tape that can be flexed and stretched to adapt to any surface to form a permanent waterproof, airtight* barrier. *Performance reduced on porous materials.
  • STOPS LEAKS INSTANTLY: This tape can be used to instantly repair emergency leaks to form a permanent waterproof & airtight barrier due to its rubberised, UV-resistant backing.
  • 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 patching cracks, gaps, tears and holes indoor and out.
  • GREAT FOR: Roofing, gutters, drainage pipes, tarpaulin, trailers, camping, pond liners and flashing applications. Adheres to wood, metal, concrete, stone, rubber and plastics*.
9.0
Superb
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7
8.8
Excellent
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Target Control | Waterproof Tape for Leaks Outdoor Use | Black 3M X 100MM | Flashing Tape for Roofing, Gutter Seal, Pipe Leak Seal Tape, Butyl Tape Waterproof, Tent & Pond Liner Repair Kit
Target Control
Target Control | Waterproof Tape for Leaks Outdoor Use | Black 3M X 100MM | Flashing Tape for Roofing, Gutter Seal, Pipe Leak Seal Tape, Butyl Tape Waterproof, Tent & Pond Liner Repair Kit
8% OffFree Shipping
Why We Love It
  • Perfect for tough repairs.
  • Works in extreme temperatures.
  • Highly durable and waterproof.
Main Highlights
  • INDUSTRIAL SEALANT TAPE - Our waterproof sealing tape is the perfect solutions for guttering, showers, tents, roof felt, pond liners & pipe leaks repairs!
  • WATERPROOF TAPE OUTDOOR USE APPLICATION - Apply tape to clean, roomtemperature surface for optimal results. Cut tape to size with liner intact using a sharp knife, ensuring its larger than the repair area. Position tape over the repair area after removing the liner; it can't be repositioned. Press firmly across tape to secure it to the repair area. *May not stick to silicone or water-repellent materials.
  • WORKS IN CHALLENGING ENVIRONMENTS - Strong like gorilla tape, our waterproof tape is also uv resistant, the uv resistant backing won't be affected by direct sunlight. Ensuring a solid permanent bond!
  • WORKING ENVIRONMENT - Our waterproof repair tape can be used between -15°c to 45°c, meaning our butyl tape waterproof can be used in high or low temperatures
  • STRONG ADHESIVE WATERPROOF SEALING TAPE - Our industrial strength grade adhesion make our Flash Tape a strong flex tape/denso tape which makes it a good asset for waterproof tape for shower coat and seal.
8.8
Excellent
Save 8%
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8
8.7
Excellent
Polar TapeSeal Black - 2" x 5 ft | Rubberised Waterproof Tape for Leaks & Cracks on Roofs, PVC Pipes, Downpipes, Plumbing & Gutters | All-Purpose Indoor & Outdoor Sealant Tape for Lasting Protection
Polar Specialist Coatings
Polar TapeSeal Black - 2" x 5 ft | Rubberised Waterproof Tape for Leaks & Cracks on Roofs, PVC Pipes, Downpipes, Plumbing & Gutters | All-Purpose Indoor & Outdoor Sealant Tape for Lasting Protection
Free Shipping
Why We Love It
  • Instant leak and crack protection.
  • Durable in all weather.
  • Self-adhesive, no extra glue.
Main Highlights
  • Superior Waterproof Repair Tape: Polar TapeSeal Black provides robust, rubberised protection against leaks and cracks. It ensures dependable performance for both emergency and long-term repairs, even in various weather conditions and challenging situations
  • Long-Lasting Protection: Achieve durable protection on both indoor and outdoor surfaces with our waterproof sealing tape and its industrial-strength adhesion. It is self-adhesive, so no additional glue is needed. Rest assured knowing your water leaks are securely sealed with our reliable, waterproof, strong TapeSeal
  • Multi-Surface Use: Our waterproof tape outdoor use is ideal for all-weather protection with UV ray resistance. It provides repair solutions for home leaks, shed roofs, gutter cracks, door and window sills, and can be used on boats, kayaks, pipes, water taps, hoses, motorhomes, buckets, bottles, wires, cars, sinks, and plumbing
  • Easy to Use: Simply apply our rubber tape to stop leaks in hard-to-reach areas including holes, cracks, gaps, and tears. Clean the surface, remove any dirt or debris, and ensure the area is completely dry before firmly applying the tape directly to the affected spot for a secure and effective seal
  • Versatile Roofing Tape: Our waterproof repair tape is a handy tool for all your repairs. Ideal for beginners, DIY enthusiasts, and seasoned professionals alike, it is now available in Clear and Black, and in three sizes: 2" x 5ft, 4" x 5ft, and 5" x 5ft, for various repair needs
8.7
Excellent
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9
8.7
Excellent
Everbuild Black Jack Strong Self Adhesive Flashing Tape – Natural Lead-Look Finish – 75mm x 10m
Everbuild
Everbuild Black Jack Strong Self Adhesive Flashing Tape – Natural Lead-Look Finish – 75mm x 10m
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Why We Love It
  • Economical and reduces theft risk.
  • Self-adhesive for easy application.
  • Versatile and long-lasting seal.
Main Highlights
  • ECONOMICAL – Cost-effective solution for replacing lead flashing. Because it's not made of lead, it also reduces the chances of theft.
  • SELF-ADHESIVE – No need for additional glue, the self-adhesive forms simply by pressing the tape into place by hand.
  • VERSATILE – Bonds quickly to roof ridges and insulating materials. Suitable for the repair of lead gutters, general flashing, repairs cracks in concrete.
  • LONG-LASTING – Provides a strong, durable, waterproof seal.
  • MULTIPLE WIDTHS – Also available in widths of 100mm, 150mm, 225mm, 300mm and 450mm making it suitable for a wide range of applications.
  • MULTIPLE LENGTHS – In addition to multiple widths and the 10-metre length, the tape is also available in 3-metre lengths. Please note that not all widths are available in the 3-metre length.
8.7
Excellent
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10
8.7
Excellent
Save 20%
LLPT Waterproof Patch and Seal Tape | Extra Thick Adhesive Layer UV Resistant Backing Permanent bond Instant Seal | for Repairing Gaps Holes Cracks Tears (PST62110BK4) | Black | 101mm x 4m
LLPT
LLPT Waterproof Patch and Seal Tape | Extra Thick Adhesive Layer UV Resistant Backing Permanent bond Instant Seal | for Repairing Gaps Holes Cracks Tears (PST62110BK4) | Black | 101mm x 4m
20% OffFree Shipping
Why We Love It
  • Strong, long-lasting bond.
  • Weatherproof and waterproof.
  • Easy to apply.
Main Highlights
  • STRONG ADHESION: LLPT waterproof patch and seal tape features an incredibly strong adhesive that creates a robust, long lasting bond up to 15 years on a variety of surfaces. Whether you're repairing a pool liner, sealing leaks in rain gutters, leaks in roofs, or fixing cracks on mobility scooters, this tape ensures that your repair will hold firm over time. Its exceptional stickiness keeps it stays put, providing peace of mind for your repair needs.
  • WEATHERPROOF & WATERPROOF: Engineered to withstand the elements, LLPT tape is highly resistant to weather conditions including rain, UV rays, and extreme temperatures. Whether exposed to intense sunlight, freezing cold, or heavy rain, it maintains its sealing effectiveness, making it ideal for outdoor and high exposure applications. This durability ensures that your repairs last through all seasons.
  • EASY APPLICATION: Applying LLPT tape is straightforward and hassle free. Simply clean and dry the surface before sticking the tape on and it adheres instantly. Even in challenging conditions like underwater, it sticks securely, offering a quick and efficient solution for various repairs. Its ease of use makes it a convenient choice for both DIY enthusiasts and professionals alike.
  • VERSATILE: LLPT waterproof patch and seal tape is designed for a wide range of applications, making it a versatile tool for both emergency fixes and routine repairs. From patching up roof leaks and fixing door thresholds to mending garden carts and boat covers, this tape delivers reliable performance. Its adaptability can tackle various repairs with a single product.
  • PERMANENT FIX: Designed for long term use, this tape provides a permanent solution to leaks and cracks. Once applied, it adheres strongly and is difficult to remove, ensuring that your repairs remain intact and effective. This quality makes it a reliable choice for fixes that need to endure constant use or exposure to moisture, avoiding the need for frequent touch-ups.
8.7
Excellent
Save 20%
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