Bostik Flashband Self Adhesive Flashing Tape for Roofs 10m

Key Features Summary

• Instant Watertight Bond: Self-adhesive bitumen backing sticks immediately upon application to create a long-lasting, weatherproof seal.

• No Torch or Specialist Tools Needed: Easy to apply using standard hand pressure and a seam roller—eliminating the open flames associated with traditional torch-on felt or lead dressing.

• 4-Layer Tear Protection: Features a durable grey lacquer finish over heavy-duty aluminum foil and polyester reinforcement for exceptional tear resistance.

• Extreme Temperature Resistance: Performs reliably in harsh British weather, withstanding temperatures from -10°C to +100°C without slipping or melting.

• Multi-Surface Compatibility: Adheres seamlessly to brick, masonry, concrete, roofing felt, slate, terracotta, wood, glass, rigid plastics, and metalwork.

Frequently Asked Questions (FAQ)

Do I need to use a primer before applying Bostik Flashband?

For clean, non-porous surfaces in warm weather, a primer is generally not required. However, if you are applying the tape to porous, dusty, or cold surfaces (such as weathered concrete, brickwork, or mineralized felt), using Bostik Flashband Primer is recommended to maximize adhesion.

Can Flashband be applied during cold winter weather?

Yes, but the adhesive becomes less tacky at lower temperatures. For best results when applying in temperatures below 15°C, store the roll in a warm room prior to use, and gently warm the surface or the tape's adhesive backing with a heat gun during installation.

How much should I overlap adjacent strips of Flashband?

When joining two pieces of flashing tape side-by-side or end-to-end, ensure a minimum overlap of 25mm to guarantee a continuous, watertight join.

The Bostik Flashband Self-Adhesive Flashing Tape (10m) is the ultimate, trade-trusted solution for quick, permanent waterproofing on new build projects and emergency roof repairs alike.Engineered with an advanced resin-modified bituminous mastic backing, Flashband instantly adheres to virtually any standard building substrate to keep wind and rain out.

Ideal as a lead replacement or for sealing lead joints, repairing damaged roofing felt, patching valley gutters, and sealing around skylights or chimney stacks.The heavy-duty aluminum foil facing is coated with a special protective grey finish that resists UV degradation and blends naturally with traditional lead flashing.

Because Flashband requires no additional adhesive or heating equipment, it significantly reduces installation time and labor costs.Simply measure, peel away the release backing, firmly press down, and roll to smooth out any air pockets for a seamless seal that strengthens over time.

Technical Specifications Table

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