Quick and easy to apply, no specialist tools required. Offers 4 layers of protection: lacquer, foil, membrane, and bitumen adhesive. Superior heat resistance from -10°C to 100°C. Easily moulds to contours for long-lasting protection, at least 15 years. This self-adhesive sealing strip bonds instantly to provide a permanent water-tight seal in all climates. It is used for repairing lead, sealing valley gutters, mending leaks in drain pipes and guttering, and repairing roofing felt joints on flat roofs. Features: Bostik Flashband is a self-adhesive sealing bitumen strip which bonds instantly to provide a permanent watertight seal in all climates. It is easily applied using hand pressure and a seam roller, with no requirement for special equipment for cuts.