Ardex X 78 MICROTEC Semi-Pourable Tile and Stone Mortar - 40 lb bag
Brand: Ardex
Availability: Sold In Store - Ships From Store (More Info)
Shipping: Standard (More Info)
Ardex X 78 MICROTEC Semi-Pourable Tile and Stone Mortar — Stronger Bonds. Smoother Installs
Ardex X 78 MICROTEC Tile and Stone Mortar is engineered to deliver maximum strength, flexibility, and coverage for large format tile installations. Its unique semi-pourable consistency allows for fast, efficient application over large areas, ensuring full coverage and strong adhesion without the need to back butter in most cases.
Formulated with Ardex MICROTEC technology, it offers high polymer content and advanced bonding performance, making it ideal for high-traffic areas and challenging substrates. With an extended open time of up to 60 minutes and 4-hour pot life, installers have greater working flexibility and control.
Perfect for use with porcelain, ceramic, glass, mosaic, quarry, and most natural stone tiles, this mortar provides long-term durability and stability, even in high-traffic and commercial environments.
Key Features
- Semi-pourable consistency – enables fast, easy application over large areas with full coverage and minimal effort.
- High bond strength and flexibility – ensures reliable installation of large format tiles, even in high-traffic environments.
- Extended open time (up to 60 minutes) – gives installers more working time for precise tile placement.
- Outstanding coverage – up to 105 sq. ft. (9.75 m²) per 40 lb bag using a 1/4" square-notch trowel.
- Excellent contact upon setting – eliminates the need for back buttering in most applications.
- Ideal for large format and heavy tiles – maintains stability and performance on both floors and horizontal surfaces.
- Efflorescence-resistant formula – helps achieve clean, consistent finishes over time.
- Meets or exceeds ANSI A118.4, A118.11, A118.15 standards – for superior adhesion and long-term durability.
- Zero VOC – safe for installers and environmentally friendly.
- Interior and exterior use – suitable for concrete, masonry, and exterior-grade plywood substrates.
Installation:
Mixing Ratio: 6 3/4 to 7 1/2 (6 1/4 to 7 L) of water per 40 lb. (18 kg) bag
(For smaller batches, use 2 1/4 to 2 3/4 parts powder to 1 part water by volume)
Approximate Coverage:
- 1/4" x 1/4" Sq. Notch towel; 105 sq. ft. (9.75 sq. m) per bag
- 1/4" x 3/8" x 1/4" Sq. Notch towel; 75 sq. ft. (6.97 sq. m) per bag
- 1/2" x 1/2" Sq. Notch towel; 50 sq. ft. (4.65 sq. m) per bag
Performance:
- OOpen Time: Up to 60 minutes
- Pot Life: 4 hours
- Working Time: Up to 15 minutes
- Time to Grout: 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
Calculator Ardex X 78
| SKU | AR X78 |
|---|---|
| Non-Returnable | No |
| Manufacturer | Ardex |
