UNDERLAYMENT MEMBRANE – MAPEGUARD UM (53.8 SQ FT) ( 2850905)

Description

Underlayment membrane for ceramic tile and stone. Mapeguard UM is a premium-performance, lightweight, waterproofing, and vapor-pressure-equalizing underlayment membrane that provides crack suppression for use under ceramic tile and stone installations for residential and commercial applications. It is designed to perform over challenging substrates, such as young concrete and single-layer 3/4 in plywood subfloors with joist spacing of up to 19.2 in on the center.