10 Best Flashing Tape in The UK

Last updated on 22/08/2025

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Frog Tape Pro Grade Flashing Tape for Windows & Doors - All Weather & UV Resistant Flashing Tape with Advanced Acrylic Adhesive 95mm x 22.9m

Why We Love It

Creates airtight, waterproof seals.
Performs well in extreme temperatures.
Easy application with split release liner.

Main Highlights

CREATE WEATHERPROOF SEALS: Frog Tape Pro Grade Flashing Tape is self-healing around nails, fasteners and other protrusions for an airtight, waterproof seal with 6-month UV resistance
ALL WEATHER PERFORMANCE: Tape provides a wide installation temperature range from 0°F (-18°C) to 150°F (65°C) without primers and long-term performance after install in temperatures ranging from -40°F (-40°C) to 240°F (115°C). Tape provides excellent conformability for bending around edges, corners and other building transtions
SPLIT RELEASE LINER FOR FAST & EASY INSTALL: Flashing Tape features an advanced acrylic adhesive that provides initial repositionable adhesion to building materials and substrates such as OSB, glass faced gypsum and concrete; also compatible with sealants, as well as flexible and rigid PVC window flanges. Easy to remove, moisture stable split release liner aids in application
SEMI-IMPERMEABLE VAPOR BARRIER: Can be used as a Class II vapor retarder > 0.1 -1.0 perms - prevents moisture vapor penetration
INSTALLATION TIP: Best practice is to apply sufficient pressure along the entire length of the tape using a roller or squeegee to ensure adhesion and a continuous seal; eliminates any wrinkles, creases or trapped air beneath the tape
Frog Tape Pro Grade Flashing Tape Meets AAMA 711-22: Industry test protocol for flashing tapes (9 performance tests)

GLOBAL SELF-ADHESIVE PRODUCTS LTD.

Global Self-Adhesive Roof Flashing Tape (10m)| for Roof Repair, Gutter Repair | Bitumen Tape (Outdoor Use) Various Widths (300mm, Lead)

Why We Love It

Cost-effective and easy application.
Versatile and durable.
Adheres to many surfaces.

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).

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

Bond-It Flashing Tape 225mm x 10Metres - Peel & Seal self-Adhesive Flashing Tape That's Weatherproof, Tough, Flexible & Easy to use. Great for roof Repairs! Choice of Widths & Lengths., Black, BDF005

Why We Love It

Installation is a breeze.
Endures all weather conditions.
Offers durable protection.

Main Highlights

Easy to Use - Peel and Stick
Tough and Flexible
Protects from all weathers
Long Lasting Protection

TAPEBEAR Joist Tape 50mm x 15m, Deck Joist Tape Butyl Sealant Joist Flashing Tape for Decking, Waterproof Anti-Corrosion Weather Resistant Tape for Wood Decks Beams Rim, Roof

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Why We Love It

Extends deck's lifespan significantly.
Easy to peel backing.
Works in extreme temperatures.

Main Highlights

EXCELLENT INVESTMENT, EXTEND DECK LIFE: Wet joists will eventually lead to mold and rot. Joist Tape prevents water from getting under your deck and into the frame, extending the life of your deck. You no longer need to spend a lot of money on your deck, this affordable joist tape provides effective insurance for your deck infrastructure.
PAPER BACKING, EASY TO PEEL OFF: Unlike other backings, which have only a thin, fragile film, we use high quality release paper, so you can easily achieve the separation of glue and backing, improving your construction efficiency.
FOR BEST RESULTS: 1.Making sure the surface is dry and free of debris. 2.Please do not stretch the tape during application, let it fall naturally. 3.Please note that the tape may not be very sticky at first, but it will reach its maximum stickiness after 24 hours of use.
SUPERIOR WEATHER TOLERANCE: With a safe temperature range of -29°C~110°C, the Joist Deck Tape is designed to perform reliably in various weather conditions, making it suitable for different climates. However, please note that colder weather will affect the stickiness of the joist butyl tape, please use a hair dryer to soften it before use.
VERSATILE APPLICATION: Joist tape for decking has strong adhesion and adheres effectively to most surfaces, such as wood, metal,plastic, and rubber. The waterproof flashing tape is suitable for all joists, rim joists, beams, steps, stair stringers, blocking, ledger board, and under joists hangers.

Everbuild Black Jack Strong Self Adhesive Flashing Tape – Natural Lead-Look Finish – 75mm x 10m

6% OffFree Shipping

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.

Bond-It Flashing Tape 150mm x 10Metres - Peel & Seal self-Adhesive Flashing Tape That's Weatherproof, Tough, Flexible & Easy to use. Great for roof Repairs! Choice of Widths & Lengths., Black, BDF004

Why We Love It

Effortless application with Peel and Stick.
Boasts toughness and flexibility.
Offers enduring all-weather protection.

Main Highlights

Easy to Use - Peel and Stick
Tough and Flexible
Protects from all weathers
Long Lasting Protection

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.

Bostik Flashband Self Adhesive Flashing Tape for Roofs, Provides an Instant Watertight Seal, Colour: Grey, 150mm x 3.75m Complete With Primer

15% OffFree Shipping

Why We Love It

Bonds instantly for watertight seal.
Application requires minimal effort.
Versatile for various 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, 150mm x 3.75m Complete with Primer

TAPEBEAR Butyl Tape for Roof and Leak Repair, Waterproof Sealing Tape Silver Aluminum Tape, for RV Repair, Window, Glass, Silicone, & EDPM Patching, and Pipe Sealing, 2inch x16feet

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Why We Love It

Ideal for professional repairs.
Ensures long-lasting performance.
Easy to use.

Main Highlights

【Professional Repair Tape】:The professional sealing tape is suitable for your RV roofs repair, doors, windows and, prevent them from leakages, creates a water proof.sealing plumbing pipes, doors, walls, seams, DIY vents, air ducts, sprinkler HVAC systems, EPDM Roof Patching, etc.
【Long-lasting Performance】:Our Butyl Tape is made of pure butyl rubber, thicker and heavier ,Waterproof and high temperature resistant, UV resistant without cracking and deformation, and provides a better sealing result and Long-lasting service time.
【Easy To Use】:Just peel off the release film and apply the butyl sealant tape to anywhere needed.No need to do Extra Waterproof Coating. Super sticky and flexible features allow you to install it on most of surfaces, perfectly on the flat, curve or corner surfaces.
【Wide Applicability】:Our butyl tape is adapt to most kinds of surfaces and weather. such as metal, tiles, shingle, aluminum, gypsum board, wood, fiberglass, brick, concrete and etc. It is your best chioce for Home, Auto, Outdoors and etc.
【Trusted Brand】:TAPEBEAR is a brand specializing in the production of tapes, dedicated to making excellent tapes. We have full confidence in the quality of butyl tapes, which will be your best choice.

8.7

Excellent

We scanned 1547 products

We reviewed these offers relevant to the Flashing Tape within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Frog Tape, GLOBAL SELF-ADHESIVE PRODUCTS LTD., Bostik, Bond It, TAPEBEAR, Everbuild, Gorilla, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Flashing Tape in the market, we considered we took a deep dive into 7736 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Frog Tape Pro Grade Flashing Tape for Windows & Doors - All Weather & UV Resistant Flashing Tape with Advanced Acrylic Adhesive 95mm x 22.9m. We love many things about this product by Frog Tape. What sets it apart from the competition is Creates airtight, waterproof seals. , Performs well in extreme temperatures. , Easy application with split release liner. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Global Self-Adhesive Roof Flashing Tape (10m)| for Roof Repair, Gutter Repair | Bitumen Tape (Outdoor Use) Various Widths (300mm, Lead) by GLOBAL SELF-ADHESIVE PRODUCTS LTD. based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Flashing Tape and the best cost-to-value ratio is Gorilla Waterproof Patch & Seal Tape Black 3mat Gorilla with a 36% discount.
Our list of the best Flashing Tape is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Flashing Tape in The UK

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Bond-It Flashing Tape 225mm x 3Metres - Peel & Seal self-Adhesive Flashing Tape That's Weatherproof, Tough, Flexible & Easy to use. Great for roof Repairs! Choice of Widths & Lengths., Black, BDF011

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We scanned 1547 products

We concluded that: