ARDEX 8+9™ Waterproofing Compound

Provides positive side waterproofing to all common building substrates that require protection from topside water exposure before the installation of tile or stone.

Product Capabilities:

ARDEX 8+9 is a two-component system consisting of a solvent-free, acrylic-based liquid combined with a Portland cement-based powder. When mixed and applied, these components produce a flexible, waterproof coating that protects moisture-sensitive substrates from water from above and provides an excellent bonding layer for ceramic tile setting materials.


  • Portland cement-based two-part substrate waterproofing material in accordance with ANSI A118.10, IAPMO approved
  • Waterproofs all common substrates in residential and commercial bathrooms, showers, and kitchens prior to the installation of tile
  • Receives all types of tile
  • Use for interior or exterior floors and walls
  • Two-coat system - roller applied
  • Rapid setting - tile in 2 hours
  • Flood test in 4 hours!
  • Solvent free
  • Non-bituminous - not an epoxy

Click Below for Technical and Specification Documents:

Tech Info & Installation (English) (PDF)
MSDS USA (English) (PDF)
MSDS Canada (English) (PDF)

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