Schluter- Kerdi Membrane 3.3 ft X 33’ Waterproofing membrane for tile. Brand new still in package Waterproofing membrane for tile showers and bathtub surrounds Helps prevent mold and mildew Tile over membrane immediately, no wait time required Model#: KERDI200/10M Sku#: 1001223571 Internet#: (contact info removed)86 Kerdi is a sheet-applied polyethylene waterproofing membrane and vapor retarder. Kerdi200/10M covers 108 sq. ft. and is ideal for waterproofing tiled tub surrounds and showers. This membrane 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. Roll dimensions are 3 ft. 3 in. x 33 ft. For commercial and residential use Installs easily with unmodified thin-set mortar (sold separately) Waterproofing for tiled shower walls and floors Covers 108 sq. ft. I’m