Schluter-Ditra XL 5/16 Underlayment 175sqft Roll by Schluter

DITRA XL Uncoupling Membrane 3-ft 3-in x 53-ft 3-in = 175 sq ft DITRA-XL is a polyethylene uncoupling membrane which effectively neutralizes movement stresses between the substrate and the tile in challenging installations Eliminates the major cause of cracking and delaminating of tiled surfaces Features a grid structure of square cutback cavities and an anchoring fleece laminated to the underside Features an open rib structure, which allows for in-plane movement Provides uncoupling, waterproofing, vapor management and heavy load distribution to ensure the durability and integrity of tile installations Installs over single-layer plywood/OSB subfloors on joists spaced up to 24-in on center DITRA-XL is 5/16-in thick, which permits even transitions between tile and 3/4-in thick hardwood flooring Measures 3-ft 3-in x 53-ft 3-in 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.