Flooring & installation supplies for contractors, builders & every projectVirginia · Washington, D.C. · Maryland · 703-929-8455
Jobsite Flooring
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ARDEX K 301 exterior self-leveling concrete topping, 50 lb bag

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.

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