Winn & Coales Densostrip Rubber Bitumen Sealing Strip 12mm X 80mm X 6m is an excellently designed sealing strip for providing reliable and durable waterproofing in construction applications. Its rubber bitumen compound ensures a solid bond to virtually any surface, while the unique profile of the strip provides a higher level of compressibility. This makes it an ideal choice for tasks such as sealing pipe joints, manhole frames, and other underground construction tasks where long-lasting waterproofing is required.