Hey DIYers and contractors! If you're installing tile floors, this Mapei Mapeguard UM 35 membrane is seriously game-changing. This stuff prevents cracks from transferring through to your beautiful new tile work - it's like insurance for your flooring project. The roll covers 323 square feet (3.3 feet by 98.5 feet) and it's only 1/8 inch thick, so it doesn't add much height to your floor. Made from high-density polyethylene (HDPE), it's flexible enough to handle uneven surfaces and complex layouts while providing waterproofing and vapor control. It's approved for both residential and commercial use, and it meets those tough A118.12 and A118.10 crack-isolation standards. The surface has circular cavities that make troweling thin-set mortar super easy, and it can handle vapor transmission up to 25 pounds. It works with ceramic, porcelain, stone, marble, granite - pretty much any tile you can think of. Installation is straightforward: just spread your thin-set mortar, roll this out, and you're good to tile right over it. It's perfect for bathrooms, kitchens, laundry rooms - anywhere you need protection against moisture and cracking. The 'Extra Heavy' Robinson Wheel test rating means it can handle serious foot traffic too. Whether you're renovating an old floor or starting fresh, this membrane gives your tile job that professional-grade protection that'll last for years.
Free 30-day returns 
Free 30-day returns
