Ardex X 77 MICROTEC Fiber Reinforced Modified Tile and Stone Mortar - 40 lb bag
Brand: Ardex
Availability: Sold In Store - Ships From Store (More Info)
Shipping: Standard (More Info)
Ardex X 77 MICROTEC Fiber Reinforced Modified Tile and Stone Mortar — Unmatched Grip. Unrivaled Results
Ardex X 77 MICROTEC is a premium, polymer-modified adhesive mortar designed for superior performance with all types of tile and stone. Engineered with advanced MICROTEC technology, it delivers exceptional bond strength, flexibility, and extended working time, making it the ultimate solution for both residential and commercial installations.
This microfiber-reinforced mortar provides unmatched sag resistance and an extended 60-minute open time—both double the ISO standard—allowing for precise placement of large and heavy tiles without slipping. Its smooth, creamy consistency ensures effortless application and outstanding coverage of up to 110 sq. ft. per 40 lb. bag using a 1/4" trowel.
Suitable for porcelain, glass, ceramic, quarry, and most natural stone tiles, including large format and thin porcelain panels. It’s ideal for demanding settings such as swimming pools, fountains, high-traffic areas, exterior facades, and heated floor systems.
Formulated for both interior and exterior installations, this mortar is water- and frost-resistant, highly flexible, and VOC-free. With compliance exceeding ANSI A118.4, A118.11, and A118.15 standards, Ardex X 77 ensures long-lasting, professional-grade results in even the most challenging environments.
Key Features
- Fiber-reinforced, polymer-modified formulation – delivers exceptional bond strength and flexibility.
- True 60-minute open time – double the ISO standard for greater installation control.
- Unmatched sag resistance – allows easy vertical applications without tile slip.
- Outstanding coverage – up to 110 sq. ft. (10.2 m²) per 40 lb. bag with a 1/4" trowel.
- Ideal for large format tile installations – suitable for porcelain, glass, ceramic, quarry, and natural stone.
- Medium bed and thin-bed applications – provides stability for large and heavy tile installations.
- Water and frost resistant – perfect for swimming pools, exterior facades, and high-traffic zones.
- Creamy, easy-to-apply consistency – reduces installer fatigue and ensures smooth troweling.
- Extended pot life (3 hours) – more flexibility on the jobsite.
- Zero VOC – safe for installers and environmentally friendly.
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:
- 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
Calculator Ardex X 77
| SKU | AR X77 |
|---|---|
| Non-Returnable | No |
| Manufacturer | Ardex |
