Mapeguard® UM 35

Reshaping the Industry

Trowels easy, holds a chalk line, lies flat, easy to cut, economical, made in the USA

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Crack isolation

Vapor management

Load management


Mapeguard UM 35 [NA]

Mapeguard UM 35 [NA]

Uncoupling, Crack-Isolation and Waterproofing Membrane

Mapeguard 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

Related documentation

Technical Data Sheet
Sustainability Product Report
Volatile Organic Compound

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