Protect your tile investment with Mapeguard UM Uncoupling Membrane—a high-performance underlayment designed for enhanced crack isolation and moisture protection. Ideal for Canadian homes and renovation projects, it creates a reliable bond between substrates and tile, even over challenging surfaces. Perfect for heated floor systems and wet environments like bathrooms or basements. Available in 54 sq. ft. and contractor-grade 323 sq. ft. rolls to suit any project size. Easy to install, with lightweight construction and durable performance.