Schluter-KERDI-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 Schluter-KERDI 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 Schluter-KERDI waterproofing membranes can be cut and bent to fit any shower shape, making it a universal shower waterproofing tool. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.