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Ardex Liquid Backerboard

Ardex Liquid Backerboard Reinforced Self-Leveling Underlayment

by Ardex
SKU 12438
$72.69 - $72.69
$72.69
$72.69 - $72.69
$72.69
Quantity: 50 lb bag

A tile-ready floor without the backer board. ARDEX Liquid BackerBoard is a pourable, self-leveling underlayment that replaces traditional backerboard over wood and concrete subfloors — no cutting, fitting, gluing, fastening, or lath mesh. Walkable in 2 to 3 hours, with tile and stone going down in as little as 6.

Call us at 877-712-6773 to place an order. Special order products typically ship within 7-10 business days.

More Details

A pourable, Portland-cement-based self-leveling underlayment that replaces traditional backerboard on interior wood and concrete subfloors.

  • Type: Pourable, Portland/hydraulic cement-based self-leveling underlayment
  • Replaces: Traditional backerboard — no cutting, fitting, gluing, or fastening; no lath mesh or additive required
  • Substrates: Wood subfloors, concrete, terrazzo, ceramic tile, and epoxy (interior)
  • Thickness: Up to 1-1/4" (3.1 cm)
  • Coverage: ~65 sq. ft. at 1/8"
  • Timing: Walkable in 2–3 hours; install tile and stone in as little as 6 hours
  • Also for: Engineered wood plank and laminate; encapsulating in-floor electric heating; prefill over ARDEX FLEXBONE and other approved uncoupling membranes
Docs
  1. ARDEX-Liquid-BackerBoard-Product-Overview.pdf (Download)
  2. ARDEX-Liquid-BackerBoard-Technical-Data.pdf (Download)
  3. ARDEX-Liquid-BackerBoard-Safety-Data-Sheet.pdf (Download)
Standards

SystemOne
Tested in Accordance with ASTM C1708

Shipping & Return Policies

Shipping Policy

Refund & Return Policy

Ardex Liquid Backerboard Reinforced Self-Leveling Underlayment - A Perfect, Tile-Ready Surface Without Traditional Backer Board

ARDEX Liquid BackerBoard® Self-Leveling Underlayment for Interior Wood and Concrete Subfloors is a pourable blend of Portland cement and other hydraulic cements that replaces traditional backerboards for a faster, easier, seamless installation of tile and stone over wooden subfloors, concrete, terrazzo, ceramic tile and epoxy, eliminating the need to cut, fit, glue and fasten. ARDEX Liquid BackerBoard DOES NOT REQUIRE LATH MESH, even when used to smooth and level wood subfloors. Tile and stone can be installed in as little as 6 hours. ARDEX Liquid BackerBoard is also suitable for the installation of engineered wood plank and laminate floor coverings and for encapsulating in-floor electrical heating systems.

Features:

  • Smooths subfloors prior to the installation of tile, stone and wood flooring
  • Does not require lath mesh or additive
  • Walkable in 2 – 3 hours
  • Install tile and stone flooring in as little as 6 hours
  • Easy to mix – just add water
  • Installs up to 1 1/4″ (3.1 cm) thick
  • Excellent coverage: 65 square feet at 1/8″
  • Ideal for encapsulating electrical in-floor heating
  • Portland cement based
  • Use as a convenient, fast and easy prefill option over ARDEX UI 740™ FLEXBONE® and other approved uncoupling membranes