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 FT (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
4 1/8 – 4 3/8 quarts (3.9 – 4.1 L) of water per 20 lb. (19 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
20 lb. (19 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
