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Adhesives and Mortars

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ARDEX X 77™ MICROTEC®

Fiber Reinforced Tile and Stone Mortar
  • True 60-minute open time, unmatched sag resistance - Both double the ISO standard!
  • Ideal for high traffic areas and exterior facades
  • Unique creamy consistency; extremely easy to apply

ARDEX X 77™ MICROTEC® Fiber Reinforced Tile and Stone Mortar is a high-performance, microfiber-reinforced, polymer-modified mortar formulated especially for large format tile installations. Use to install porcelain, glass, quarry, ceramic and most natural stone tiles* over interior or exterior concrete and masonry floor and wall surfaces. Also use for interior applications over exterior-grade plywood. ARDEX X 77 is ideal for use in swimming pools and fountains and over in-floor heating systems and is recommended for all tile sizes, including mosaics.

Key Features

  • Use for setting porcelain, glass, quarry, ceramic and most natural stone tiles*
  • Advanced technology for very large, thin, porcelain tiles
  • Extended open time of 60 minutes – double the ISO standard
  • Unmatched sag resistance – double the ISO standard
  • Outstanding coverage – 110 sq. ft. per bag with ¼” sq. notch trowel
  • Medium bed applications (large and heavy tile mortar)
  • Water and frost resistant – ideal for swimming pools and high traffic areas
  • Extremely easy to mix and apply
  • Highly flexible; 3-hour pot life

Standards

SystemOne™
MICROTEC® Technology
Meets or exceeds ANSI 118.4
Meets or exceeds ANSI 118.11
Meets or exceeds ANSI 118.15
ISO Classification: C2 T (T) E (E)

 

Installation

Mixing Ratio:
8 1/4 – 8 3/4 quarts (7.8 – 8.2 L) of water per 40 lb. (18 kg) bag
*For smaller batches, use 2 parts powder to 1 part water by volume

Approximate Coverage per 40 lb. (18 kg) bag:

1/4” x 1/4” Sq. Notch Trowel; 110 sq. ft. (10.2 sq. m)
1/4” x 3/8” x 1/4” Sq. Notch Trowel; 82.5 sq. ft. (7.6 sq. m)
1/2” x 1/2” Sq. Notch Trowel; 55 sq. ft. (5.1 sq. m)

Performance

Open Time: Up to 60 minutes
Pot Life: Approx. 3 hours
Adjustment Time: Approx. 20 – 30 minutes
Time to Grout: Walls: 8 hours; Floors: 24 hours
Colors: Gray, White
VOC: 0
Packaging: 40 lb. (18 kg) bag
Storage: Store in a cool, dry area. Do not leave bags exposed to sun.
Shelf Life: 1 year, if unopened
Warranty: ARDEX L.P. Standard Limited Warranty applies

For complete product technical information, click on the Downloads tab and open the Technical Data download.

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