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ARDEX S 28 MICROTEC Rapid-Set, Rapid-Dry, Super-Format Tile and Uncoupling Membrane Mortar - White - 40 lb bag
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Product Description
ARDEX S 28 MICROTEC Rapid-Set, Rapid-Dry, Super-Format Tile and Uncoupling Membrane Mortar is a high-performance, rapid drying and rapid hardening, microfiber-reinforced, polymer-modified tile and stone mortar for interior installations. ARDEX S 28 is highly flexible with virtually no shrinkage and has an extended open time, making it perfect for large and super-format tile and stone installations. Due to its semi-pourable consistency, ARDEX S 28 is excellent when used with ARDEX FLEXBONE® Uncoupling Membranes and other approved uncoupling membranes. ARDEX S 28 is ideal for moisture-sensitive tile and stone such as green and light marbles* because it is formulated with ARDEX proprietary self-drying technology where the mix water is completely bound into the matrix. This technology eliminates water evaporation, which virtually prevents staining and warping of moisture-sensitive tile and fully cures quickly between even the largest, most dense tiles and substrates.

  • Rapid-drying and hardening – Walk on and grout in just 4 hours
  • Extended open time of 45 minutes
  • Perfect for large and super-format tile and stone installations
  • Semi-pourable consistency easily enables full tile and uncoupling membrane coverage
  • Ideal for use with moisture-sensitive tile and stone; virtually eliminates staining and warping
  • Shrinkage free – thin to medium bed installation up to 5/8″ (15 mm)
  • 75-minute pot life
  • For use on interior floors and walls


  • Coverage: 1/4’’ x 1/4’’ x 1/4’’ Sq. Notch Trowel (6 x 6 x 6 mm) 103 sq. ft. (9.5 sq. m)
  • Open Time: 45 minutes
  • Pot Life: 75 minutes
  • Adjustment Time: 20 - 25 minutes
  • Time to Grout: 4 hours

This item weighs: 40 lbs. per unit/each.


ARDEX S 28 MICROTEC Rapid-Set, Rapid-Dry, Super-Format Tile and Uncoupling Membrane Mortar - White - 40 lb bag

Ardex-s28W


Schluter has implemented a price increase effective June 1,2022. We are updating our pricing, please call to confirm Schluter pricing before placing an order.


Price: $66.95 EA
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