Ardex 8+9 Roll-On Tile Underlayment


ARDEX 8+9 is a two-component system consisting of a solvent-free, acrylic-based liquid combined with a Portland cement-based powder. Once the two components have been mixed you'll have a flexible, waterproof coating that gives you protection from moisture from above. The flexible coating provides excellent bonding for the installation of porcelain, ceramic, and natural stone tiles. Ardex 8+9 can be used for flooring installation and as a waterproofer for substrates in tiled showers.

Ardex 8+9 features:

  • Portland cement-based two part waterproofing
  • In accordance with ANSI A118.10 and IAPMO approved
  • Waterproofs all common substrates in residential and commercial applications
  • Will bond to all types of tile
  • Two coat system that can be roll applied
  • Rapid setting. Tile within 1-3 hours
  • Solvent Free
  • Non-bituminous (Not an epoxy)
Coverage: Ardex 8+9 will cover 100 sq ft (2 coats) over drywall per combined unit. 70 sq ft (2 coats) over concrete per combined unit.

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