Mapei Mapeguard UM 35 Uncoupling Crack Isolation Membrane, 323 Sq Ft Roll (3.3 Ft x 98.5 Ft) for Ceramic Tile And Stone Tile, 1/8 Inch Thick HDPE Waterproofing Flooring Underlayment, 9 Rolls Bundle HT=15days Heavy-Duty Honeycomb Core: HDPE honeycomb

Heavy-Duty Honeycomb Core: HDPE honeycomb structure with polypropylene backing enhances mechanical strength

and crack resistance on deteriorated concrete above

It is strongly recommended to overlap all heat membrane joint lines created during installation with the Kerdi Polyethylene waterproof band or waterproofing tape to ensure optimal performance

and application on both small repairs and larger finishing projects

and other moisture-exposed environments

Mapei Mapeguard UM 35 Uncoupling Crack Isolation Membrane, 323 Sq Ft Roll (3.3 Ft x 98.5 Ft) for Ceramic Tile And Stone Tile, 1/8 Inch Thick HDPE Waterproofing Flooring Underlayment, 9 Rolls Bundle HT=15days Heavy-Duty Honeycomb Core: HDPE honeycombProduct Features: High Performance Crack Isolation: High performance uncoupling membrane controls substrate cracks up to 1 8 (3 mm) for reliable tile or stone installations. Waterproof Vapor Protection: Waterproof and vapor management layer enables up to 25 lb MVER and 100% relative humidity control via air channel design. Low Profile Tile Support: Low profile 1 8 thickness reduces floor build up while offering robust support for large format tile,