Kobau Band is a pliable waterproofing membrane strip designed to waterproof butt joints and floor-to-wall connections in bath and shower installations. Its sheet form allows it to be molded and cut to any imaginable shape, making waterproofing of even the most elaborately shaped shower a simple task. It is covered in an anchoring fleece on both sides, allowing it to be set in place with thin-set mortar. Product Features Vapor Retardant The waterproofing membrane has a very low water vapor permeance, making it an excellent waterproofing membrane for shower, bath, and steam room installations. Pliable to Any Shape waterproofing membranes can be cut and bent to fit any shower shape, making it a universal shower waterproofing tool.