
Product specifications
Download Jobsite Flooring spec sheet (PDF)- Brand
- ARDEX
- Product type
- High-yield tile mortar
- Size
- 40 lb bag
- Color
- Gray
- Coverage
- 110 sq. ft. per 40 lb bag (1/4 × 1/4 in. notch); 82.5 sq. ft. (1/4 × 3/8 in.); 55 sq. ft. (1/2 × 1/2 in.)
- Pot life
- About 3 hours
- Open time
- Up to 60 minutes
- Time to grout
- Walls 8 hours; floors 24 hours
- Standards
- ANSI A118.4, A118.11, A118.15; ISO C2TE
- Mixing ratio
- 8.25–8.75 qt water per 40 lb bag
- VOC
- 0
Manufacturer documents
Technical data sheet (ARDEX)Safety data sheet (Gray) (ARDEX)Product overview (ARDEX)ARDEX X 77 Plus Gray High-Yield Tile Mortar 40 lb
40 lb bag · Mortars & adhesives
ARDEX X 77 MICROTEC is a fiber-reinforced, polymer-modified, high-coverage mortar with up to 60 minutes of open time and very strong sag resistance. It sets porcelain, glass, ceramic and most natural stone of all sizes, from mosaics to large thin porcelain panels, and is rated for pools, fountains, facades and in-floor heating.
What it’s used for
- Porcelain, glass, ceramic and most natural stone
- Large, thin porcelain tile and panels
- Swimming pools and fountains
- Over in-floor heating
- Exterior facades and high-traffic areas
- Interior and exterior
Contractors and builders get trade pricing with an account. See trade accounts
Sold individually, priced per bag.
Minimum order: 1.
Contact us for pricing: 703-929-8455 or orders@jobsiteflooring.com.
Availability: Confirm before ordering
Estimated lead time: 1–2 weeks. Delivery to Virginia, Washington, D.C., and Maryland. We’ll reach out with a quote that includes shipping after you request an order.
Delivery, cancellations & damage policy