Mapei Mapeguard UM 35Mapeguard UM 35[NA] is an uncoupling, crack-isolation, waterproofing and vapor-management membrane made from high-density polyethylene (HDPE) with a rough surface and polypropylene fabric backing.Mapeguard UM 35[NA] is designed for installing ceramic and stone tile, including over existing non-cushioned resilient flooring, ceramic tile and stone tile. It is designed to perform over challenging substrates, such as young concrete and single-layer 3/4" (19 mm) plywood subfloors with joist spacing of up to 19.2" (49 cm) on center.
- Applicable for concrete or wood substrates
- Crack isolation up to 1/8" (3 mm)
- Low profile, at 1/8" (3 mm) thickness
- Circular-shaped cavities, allowing for easy troweling
- Waterproofing
- Vapor management up to 25 lbs. (11.3 kg) in MVER and 100% relative humidity
- Excellent mechanical and compression strength
- Lightweight
- Holds a chalk line
