
Product specifications
Download Jobsite Flooring spec sheet (PDF)- Brand
- ARDEX
- Product type
- Exterior self-leveling compound
- Color
- Gray
- Coverage
- About 23 sq. ft. per 50 lb bag at 1/4 in.; 12.5 sq. ft. at 1/2 in.
- Thickness
- 1/4–3/4 in. neat; up to 2 in. with aggregate
- Mixing ratio
- 5 qt water per 50 lb bag
- Flow time
- 10 minutes
- Time to foot traffic
- 2–3 hours
- Time to coat
- 24 hours (waterborne); 48–72 hours (solvent-borne or 100% solids under 20 mils); 7 days (high-build)
- Compressive strength
- 4,300 psi at 28 days
- Standards
- ASTM C1708
- Packaging
- 50 lb bag
- VOC
- 0
ARDEX Exterior Self-Leveler · JF-11132
ARDEX Gray Exterior Self-Leveler
Floor prep & leveling
ARDEX K 301 is a self-leveling, Portland cement-based topping for resurfacing concrete outdoors as well as indoors. It levels from 1/4 to 3/4 in. neat, tolerates wet areas and freeze-thaw exposure, and is walkable in 2 to 3 hours.
What it’s used for
- Resurfacing exterior concrete
- Interior and exterior, on, above or below grade
- Wet areas and freeze-thaw exposure
- Underlayment beneath floor coverings
- Commercial, light industrial and residential
REGULAR PRICE$98.63 / 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$98.63
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