Flashing tape, also known as flash tape or self-adhesive flashing tape, is commonly used to prevent water ingress in construction. Typically made from bitumen or butyl with a protective foil backing, it seals joints around roofs, windows, doors, and other structural openings. Bostik Flashband, a well-known brand of flash tape, shares these characteristics and is frequently applied as an easy-to-fit alternative to traditional lead flashing.
In UK construction, flashing tape and Flashband are particularly popular for their versatility in repair and renovation work. Professional builders regularly use Flashband tape on domestic and commercial projects, repairing damaged roof flashings or sealing leaks around chimneys and pipework. Flashing tape also plays a role in ensuring airtightness and waterproofing in modern timber-frame or modular builds. Its self-adhesive nature means fewer tools and less time needed on-site compared to traditional methods.
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