Ditra 3 ft. 3 inch x 45 ft 9 inch Tile Uncoupling Membrane (150 Sq. Ft. / Roll)
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Protects tile and grout from subfloor movement stresses to eliminate the main cause of cracked tile, Waterproofs and allows moisture in the substrate to evaporate, Replaces backerboard or a second layer of plywood, Lightweight, faster and easier to install than backerboard, 1/8 In. thick membrane makes transitioning to other surfaces simple, Material: Polyethylene