The Bostik Flashband Flashing Tape is a versatile and durable waterproofing solution, designed to provide an instant seal against water leakage. This 10M x 225mm grey tape is a self-adhesive sealing strip which bonds instantly to most building materials such as concrete, wood, metal, and more. Ideal for a wide range of applications including roofing, guttering and pipework. Its unique formulation ensures it can withstand varying weather conditions, delivering excellent longevity and durability.