Skip to content
Save 10% on all New Products this month- Code July-24
Save 10% on all New Products this month- Code July-24


SKU 12438P
by Ardex
Original price $3,143.40 - Original price $3,143.40
Original price
$3,143.40 - $3,143.40
Current price $3,143.40
Freight Delivery Information


Standard Freight Delivery Requirements:

  • Commercially Zoned Address: Should facilitate tractor-trailer access.
  • On-Site Amenities: Forklift or loading dock is essential.

For more information, please visit How To Receive A Freight Shipments.

Achieve Faster, Easier Tile Prep with ARDEX Liquid Backerboard

Embrace the efficiency of ARDEX Liquid Backerboard, the innovative self-leveling underlayment that simplifies and accelerates floor preparation for tile and stone installations.

Key Features:

  • Self-Leveling Efficiency: Achieves perfect leveling up to 1-1/4" without lath reinforcement.
  • Rapid Accessibility: Walkable within 2-3 hours, ready for tile installation in just 6 hours.
  • Replaces Traditional Methods: Eliminates the need for standard backerboard installations.
  • Versatile Application: Ideal for smoothing and leveling both wood and concrete floors.
  • Impressive Coverage: Offers 65 sq. ft. coverage at 1/8" thickness.
  • In-Floor Heating Friendly: Suitable for encapsulating in-floor heating systems.
  • Time-Saving Solution: Dramatically reduces project timelines.
  • Professional Grade: Designed for high-performance in professional tile and stone jobs.

With faster installation and drying times, Liquid Backerboard boosts productivity for pros prepping subfloors for flawless tile and stone jobs.

Speed up project timelines with ARDEX Liquid Backerboard Self-Leveling Underlayment.


    • SystemOne
    • Tested in Accordance with ASTM C1708


    Mixing Ratio:

    6 quarts (5.7 L) of water per 50 lb. (22.7 kg) Bag


    32.5 sq. ft. per bag at 1/4” (3 sq. m at 6 mm)

    65 sq. ft. per bag at 1/8’’ (6 sq. m at 3 mm)

    *Coverage will vary depending on the texture of the surface being smoothed.


    • Flow Time: 10 minutes
    • Compressive Strength (ASTM C109/mod – Air cure only): 3,000 psi (210 kg/sq. cm) at 28 days
    • ASTM C627 Rating (Robinson-Type Floor Tester): Classified as extra heavy
    • Flexural Strength (ASTM C348): 700 psi (49 kg/sq. cm) at 28 days
    • Walkable: 2 – 3 hours
    • Install Flooring and Waterproofing: See Installation of Flooring and Waterproofing section in Technical Data
    • VOC: 0
    • Packaging: 50 lb. (22.7 kg) bag
    • Storage: Store in a cool, dry area. Do not leave bags exposed to sun.
    • Shelf Life: 1 year, if unopened
    • Warranty: ARDEX L.P. Standard Limited Warranty applies
    More Details

    ARDEX Liquid Backerboard is transforming the world of floor preparation, offering a cutting-edge solution that streamlines the process for professionals. This self-leveling underlayment is uniquely formulated to level floors up to 1-1/4" in thickness without the need for lath reinforcement, providing a smooth, consistent base for tile and stone installations. Its quick-setting properties allow for walking on the surface within 2-3 hours and tiling within 6 hours, significantly accelerating project timelines. This liquid backerboard is not just a time-saver; it's a game-changer for professionals who are accustomed to the cumbersome and time-consuming installation of traditional backerboard. Whether you are working on wood or concrete subfloors, ARDEX Liquid Backerboard delivers exceptional coverage of 65 sq. ft. at 1/8" thickness, ensuring a seamless and level finish. It's also an excellent choice for rooms with in-floor heating systems, as it effectively encapsulates the heating elements. By choosing ARDEX Liquid Backerboard, professionals can expect to boost productivity while achieving flawless results in their tile and stone projects.

    What's Included
    • 48 Piece Pallet

    Ardex Americas

    Questions & Answers

    Have a Question?

    Be the first to ask a question about this.

    Ask a Question