Roofing repair tape designed to create an immediate watertight seal for leaks and joints. Bostik Flashband Flashing Tape helps DIYers and tradespeople feel confident with a quick, reliable patch that cuts and shapes neatly. Will that quick fix hold up where it matters most?
⚡ At a Glance
- • Sealing Performance: Flexible bitumen strip bonds on contact to most building materials to form a watertight seal
- • Best for: Repairing lead flashing, sealing valley gutters and mending leaks in drain pipes and guttering
- • Not ideal for: Poorly prepared or persistently wet surfaces where correct adhesion cannot be achieved
Flexible bitumen tape adheres instantly to a wide range of substrates and can be applied by hand pressure and a seam roller. The roll measures 100mm x 10m in grey and is aimed at patching flashing, gutters and small roof leaks.
Instant watertight repairs - thanks to the flexible bitumen strip
A self-adhesive bitumen layer sticks on contact to prepared substrates; firm hand pressure and a seam roller activate a continuous bond without extra adhesives or primers. The material remains flexible to follow contours and joints.
Quickly stops water ingress on small to medium leaks so roofs and gutters can stay dry immediately after application.
Works on many roofing materials - with broad substrate compatibility
Formulated to bond to brick, masonry, slates, metal, terracotta tiles and roofing felt as stated in the product description. Flexibility allows it to conform to irregular surfaces for consistent contact.
Useful for a wide variety of repairs across different roof finishes, reducing the need to buy separate sealing products.
Neat, precise patches - with easy cutting and shaping
The tape can be trimmed to size with a knife or shears and manipulated around flashings and pipe penetrations for a tidy finish. User feedback notes straightforward cutting and shaping for accurate placement.
Allows neat repairs around awkward details so patches look professional and sit flush with existing roof features.
✨ The 4 Key Reasons for Bostik Flashband Flashing Tape
- Self-adhesive backing - bonds on contact with firm hand pressure for quick repair
- Flexible bitumen composition - conforms to uneven joints and creates continuous seal across gaps
- Easy trimming - allows precise patches around flashings and pipe collars every time
- No special tools needed - apply by hand pressure and seam roller for fast fixes
📋 Technical Details at a Glance
- Category: Home Improvement - Roofing Repair
- Brand: Bostik
- Material: Flexible bitumen strip
- Adhesive Type: Self-adhesive
- Size: 100mm x 10m
❓ Frequently Asked Questions
Q: What surfaces will it bond to?
A: Bonds to most building materials listed as brick, masonry, slates, metal, terracotta tiles and roofing felt. User reviews confirm reliable adhesion on common roofing substrates.
Q: How is it applied?
A: Apply using hand pressure and a seam roller, no special equipment required; press firmly to activate the adhesive and trim to shape for neat application.
Q: What can it be used for?
A: Designed for repairing lead flashing, sealing valley gutters and mending leaks in drain pipes and guttering as described in the product information.
🏆 Our Verdict
The tape suits DIYers and tradespeople who need a fast, dependable waterproof repair for common roof and gutter leaks. A flexible bitumen strip with self-adhesive backing creates immediate, watertight bonds across a wide range of materials and can be cut for neat application. While cost varies, the durable adhesion and simple installation make it a sensible long-term repair option.
