HydroSeal 355 polyurethane hydroactive sealing mastic. Typical application is the installation of HydroSeal swelling tape on rough or uneven surfaces. The hydroactive mastic guarantees the waterproofing due to its swellability and the fact that it adjusts itself to hilly surfaces. Other applications are pipe penetration or the stand-alone solution in fact HydroSeal is a tape delivered in a cartridge.
Installation Of Swellable Rubber Tape