Product specifications
Download Jobsite Flooring spec sheet (PDF)- Brand
- ARDEX
- Product type
- Self-leveling underlayment
- Coverage
- 32.5 sq. ft. per 50 lb bag at 1/4 in.; 65 sq. ft. at 1/8 in.
- Thickness
- Up to 1 1/4 in.
- Mixing ratio
- 6 qt water per 50 lb bag
- Flow time
- 10 minutes
- Time to foot traffic
- 2–3 hours
- Time to install tile
- As little as 6 hours
- Compressive strength
- 3,000 psi at 28 days
- Standards
- ASTM C1708; ASTM C627 extra heavy
- Packaging
- 50 lb bag
- VOC
- 0
ARDEX Liquid BackerBoard · JF-11143
ARDEX Liquid BackerBoard
Floor prep & leveling
ARDEX Liquid BackerBoard is a self-leveling underlayment poured over interior wood or concrete subfloors in place of cement backer board before tile, stone or wood flooring. It flows to a flat surface up to 1 1/4 in. thick without lath, can encapsulate electric floor heating, and takes tile in as little as 6 hours.
What it’s used for
- Leveling plywood subfloors before tile or stone
- Interior wood and concrete subfloors
- Encapsulating electric floor heating
- Prefill over ARDEX FLEXBONE uncoupling membrane
- Under engineered wood and laminate
REGULAR PRICE$60.50 / 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$60.50
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