Mapelastic 315 is a trowel-applied, flexible, fiber-mesh-reinforced waterproofing and crack isolation membrane for installation under ceramic tile and stone on indoor/outdoor residential, commercial and industrial intermittent wet and submerged applications.

Mapelastic 315provides an excellent barrier to prevent water from migrating into other areas. Mapelastic 315 is compatible with any polymer-modified cement-based mortar (ANSI A118.4 or better)