Ardex X90 Outdoor


Color: Grey
Sale price$79.99

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ARDEX X 90 OUTDOOR™ MicroteC3 Rapid-Set, Flexible Tile and Stone Mortar is a revolutionary innovation in mortar technology that is formulated with specialty, high-performance ARDEX cements, polymers and microfibers to deliver maximum protection against the harshest weather conditions and provide the highest levels of efflorescence resistance for exterior tile and stone applications. ARDEX X 90 OUTDOOR can be installed over substrates with temperatures as low as 40˚F (5˚C) and can withstand driving rains or be grouted in only 2 hours.

Key Features

  • ARDEX MicroteC3 is the new level in mortar standards:
    • Highest levels of freeze thaw resistance – Tested at 150+ freeze thaw cycles
    • (7 times greater than the ANSI 118.15 standard requirement of 20 cycles)
    • Maximum efflorescence resistance
    • Outstanding rapid-setting properties, even at temperatures as low as 40˚F / 5˚C
    • Heavy and driving rain-resistant after only 2 hours
  • Ideal for tiling on concrete balconies, patios, swimming pools and high-load commercial areas
  • Traffic and grout after just 2 hours
  • Thin to medium bed installations up to 5/8” (15 mm)
  • Extended open time up to 30 minutes
  • Excellent bond strength for setting porcelain, glass, ceramic and most natural stone tiles*
  • Very creamy, easy-to-apply consistency
  • Extra long pot life of 60 minutes
  • For exterior or interior floors and walls


Microtec® Technology
Meets or exceeds ANSI 118.4
Meets or exceeds ANSI 118.11
Meets or exceeds ANSI 118.15
ISO Classification: C2 FTE S1

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