Crack Matting

Waterproofing and anti-fracture membrane for cracked and damp substrates and substrates that are not fully cured before installing ceramic and stone tiles. Installation on internal and external substrates. Mapei crack matting, is a membrane made from a layer of honeycomb HDPE with a rough surface and polypropylene fabric backing. These characteristics improve the bond strength of the adhesive applied on both sides of the crack matt.