Product specifications
Download Jobsite Flooring spec sheet (PDF)- Brand
- ARDEX
- Product type
- Self-leveling underlayment
- Coverage
- 30 sq. ft. per 55 lb bag at 1/4 in.
- Thickness
- 1/8–1 1/2 in. neat; up to 5 in. with aggregate
- Flow time
- 10 minutes
- Time to foot traffic
- 2–3 hours
- Time to install flooring
- 6 hours for moisture-insensitive tile and stone; 16 hours for other floor coverings
- Compressive strength
- 5,500 psi at 28 days
- Packaging
- 55 lb bag
- VOC
- 0
- Applications
- Interior
ARDEX Premium Self-Leveling Underlayment · JF-11156
ARDEX Premium Self-Leveling Underlayment
Floor prep & leveling
ARDEX K 15 is a Portland cement-based, self-leveling underlayment for flattening and smoothing interior floors before flooring goes down. It installs from 1/8 to 1 1/2 in. neat (up to 5 in. with aggregate) over concrete, tile, terrazzo, wood, metal and epoxy coatings, and accepts tile in 6 hours.
What it’s used for
- Leveling interior concrete before flooring
- Over existing tile, terrazzo and epoxy coatings
- Over wood and metal with the right primer
- On, above or below grade
- Large areas by pump
REGULAR PRICE$87.43 / 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$87.43
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