Schluter Kerdi-DS 3 ft. 3 in. x 98 ft. 5 in. Waterproofing Membrane

Kerdi-DS is a bonded waterproofing membrane and vapor retarder. It has a very low water vapor permeance making it ideal for continuous-use steam rooms and similar applications. This membrane is 20 mil thick and features an anchoring fleece on both sides to anchor it in thin-set mortar. Kerdi eliminates water damage which can lead to mold and mildew.