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Mapelastic 315

Professional, Cement-Based Waterproofing Membrane

Mapelastic 315 is a trowel-applied, flexible, fiber-mesh-reinforced waterproofing and crack-isolation membrane for installation under ceramic tile or stone on indoor/outdoor residential, commercial and industrial intermittent wet or submerged applications. Mapelastic 315 provides 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) or epoxy mortar (ANSI A118.3). Mapelastic 315 exceeds ANSI A118.10-L requirements for waterproofing and is IAPMO-listed for use as a shower-pan liner.

Dual protection: provides waterproofing and crack-isolation
Prevents in-plane floor cracks up to 1/16" (1.5 mm) wide from transmitting through tile or stone
Compatible with MAPEI’s Fiberglass Mesh and Mapeband^™ accessories
Compatible with MAPEI mortars and grouts for complete system protection
Eliminates most surface preparation; excellent for smoothing over porous, uneven substrates
Durable and flexible; bonds to a wide range of surfaces
Install tile or stone after 8- to 12-hour cure
Flood-test after 72-hour cure