Description
ARDEX X 77 MICROTEC Fiber Reinforced Tile and Stone Mortar 40#
ARDEX X 77 is a high-performance, microfiber-reinforced polymer mortar built for heavy-duty projects. It delivers double the sag resistance and open time of industry standards, making it the ultimate choice for large-format tiles, thin porcelain panels, and complex installations.
Product Overview
ARDEX X 77 secures porcelain, glass, ceramic, quarry, and natural stone tiles over interior and exterior surfaces. It works smoothly on concrete, masonry, and interior plywood.
Key Features & Benefits
- Extended 60-Minute Open Time: Double the ISO standard gives you more working room.
- Superior Sag Resistance: Double the ISO standard locks large and heavy tiles in place without slipping.
- High Coverage: Yields up to 110 sq. ft. per bag using a 1/4" square-notch trowel.
- Extreme Flexibility: Absorbs structural movement without cracking.
- Weather & Water Resistant: Fully rated for swimming pools, fountains, and exterior freeze-thaw zones.
- In-Floor Heating Compatible: Safe for use over thermal heating systems.
Recommended Uses
- Large format and heavy tile installations (LHT)
- Thin porcelain panels
- Mosaics and all standard tile sizes
- High-traffic commercial and residential floors
- Submerged applications like pools and water features
Technical Specifications
- Pot Life: 3 hours
- Coverage: 110 sq. ft. per bag (1/4" x 1/4" x 1/4" square-notch trowel)
- Substrates: Concrete, masonry, and interior exterior-grade plywood
Additional Information
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- Delivery is available within RI. See the Delivery Info page for details.
