Rapid Set Natural Stone and Tile Mortar

ARDEX N 23 is a rapid-setting, thin-to-medium-bed mortar that is ideal for interior installations of moisture-sensitive natural stone, marble, granite, porcelain, quarry and ceramic on horizontal or vertical surfaces. Recommended for all tile sizes, including mosaics, ARDEX N 23 is suitable for use over concrete floors with in-floor heating systems. ARDEX N 23 has proprietary ARDEX self-drying technology to prevent staining, discoloration, warping and efflorescence. Easy to mix and apply with excellent bond strength and sag resistance, ARDEX N 23 has an open time of up to 30 minutes and a 60-minute pot life.

  • Use for setting porcelain, quarry and ceramic tile, ungauged stone,  translucent marble, glass and natural stone tile
  • Fast setting – grout in two hours
  • Ideal for moisture-sensitive natural stone tile
  • Self-drying technology – will not contribute to staining, warping or efflorescence
  • Outstanding coverage – 103 sq. ft. (9.5 sq. m) per bag with 1/4″ Sq. notch trowel
  • Thin- to medium-bed installation up to 5/8″ (15mm)
  • Use for interior floors and walls
  • Extended open time of 30 minutes
  • Excellent bond strength and sag resistance
  • Easy to mix and apply
  • 1-hour pot life

Available in 40 lb. bags (gray and white)

Tech Data