Product specifications
Download Jobsite Flooring spec sheet (PDF)- Brand
- ARDEX
- Product type
- Rapid-set exterior mortar
- Size
- 40 lb bag
- Color
- Gray
- Coverage
- 95 sq. ft. per 40 lb bag (1/4 × 1/4 in. notch); 75 sq. ft. (1/4 × 3/8 in.); 55 sq. ft. (1/2 × 1/2 in.)
- Pot life
- About 1 hour
- Open time
- Up to 30 minutes
- Time to grout
- 2 hours
- Time to foot traffic
- 2 hours
- Standards
- ANSI A118.4, A118.11, A118.15; ISO C2 FTE S1
- Mixing ratio
- 5.75–6.75 qt water per 40 lb bag
- Minimum install temperature
- 40°F substrate
- Freeze-thaw
- Tested to 150+ cycles
- Bed thickness
- Thin to medium bed up to 5/8 in.
- VOC
- 0
ARDEX X 90 Exterior Mortar · JF-11093
ARDEX X 90 Gray Rapid-Set Exterior Mortar 40 lb
40 lb bag · Mortars & adhesives
ARDEX X 90 OUTDOOR is a rapid-setting, flexible mortar built for exterior tile and stone. It can be installed on substrates as cold as 40°F, resists rain and can be grouted after about 2 hours, and has been tested to more than 150 freeze-thaw cycles.
What it’s used for
- Balconies and patios
- Swimming pools
- High-load commercial areas
- Cold-weather installs down to 40°F
- Interior and exterior floors and walls
REGULAR PRICE$68.02 / bag
Contractors and builders get trade pricing with an account. See trade accounts
Sold individually, priced per bag.
Minimum order: 1.
Special pallet pricing available
Contact us for pricing: 703-929-8455 or orders@jobsiteflooring.com.
Availability: Confirm before ordering
1 bag$68.02
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