Mapelastic HPG

Flexible Waterproofing and Crack-Isolation Membrane

Mapelastic® HPG is a ready-to-use, highly flexible, liquid acrylic waterproofing membrane for installation under ceramic tile or stone on residential and light commercial interior floors and walls. Applied with a roller, trowel or brush, Mapelastic HPG has excellent compatibility with cement-based mortars. When installed with MAPEI’s Fiberglass Mesh, Mapelastic HPG can also be used as a crack-isolation membrane and exceeds ANSI A118.10-L standards for waterproofing. In addition, Mapelastic HPG is IAPMO-listed for use as a shower-pan liner.

  • Dual protection: Provides waterproofing and crack isolation
  • Prevents in-plane floor cracks 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
  • Durable and flexible; bonds to a wide range of surfaces
  • Ready to use; easy to apply with roller, trowel or brush
  • Install tile or stone after curing for 16 to 24 hours.
  • Flood-test after 72-hour cure.

Related documentation

Technical Data Sheet
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Product documentation

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