Ardex 8+9 Commercial Waterproofing System


5 in stock (can be backordered)

SKU: ardex-8+9-commercial-waterproofing-system Category:


The absolute best-in-class, topside waterproofing and crack isolation membrane for use on all common substrates in commercial and residential applications prior to the installation of any type of tile or stone. Two components, very easy to use, cement based waterproofing and crack isolation compound providing outstanding bond to mortars. ARDEX 8+9 can also be used as a shower pan. Ideal for use in showers, kitchens and for exterior manufactured veneer stone installations.

  • Tile installation in just 90 minutes
  • Flood test in only 4 hours
  • Crack isolation: Up to 1/8” (3 mm)
  • Available in Gray 
  • 1/3 the cost per square foot vs. competitive products
  • 25 year warranty on a two-coat application every time
  • IAPMO Certified, ANSI A 118.10
  • Zero water penetration via wind-driven rain
  • Convenient kit: ARDEX 8 (liquid): 1 gallon (3.78 liters) bottle and ARDEX 9 (powder): 9 lb. (4 kg) bag
  • Commercial size: ARDEX 8 (liquid): 3 gallon (11.34 liters) bottle and ARDEX 9 (powder): 27lb. (12 kg) bag
  • Outstanding Coverage: Convenient kit:100 sq.ft. (9.29 m2 )(2 coats) over drywall/Commercial units:300 sq.ft. (27.87 m2 )(2 coats) over drywall


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