The Schlüter KERDI Waterproofing Underlayment Membrane is a durable and reliable choice for flooring projects, particularly for tile and stone installations. Made from high-quality polyethylene material, this orange membrane is designed to be installed over concrete subfloors. With dimensions of 3' 3" x 65' 7" and 215 square feet of coverage, it offers ample protection against water and moisture, ensuring a dry and stable foundation for your flooring. Ideal for both residential and commercial applications, this waterproofing underlayment from Schlüter is a crucial component in any flooring installation.