Tile and Flooring Installation Systems

TechLevel™ WSF – Fiber Reinforced Self-Leveling Underlayment for Wood Subfloors

Product ID: TDS320

TechLevel-WSF SLU is a high flow, fiber reinforced calcium aluminate cement based, self-leveling underlayment that eliminates the need for reinforcing lath over plywood and OSB on interior wood framed subfloors. It produces a smooth, level substrate ready for the installation of most floor coverings. Formulated using Controlled Cure Technology™, TechLevel-WSF SLU helps eliminate installation problems caused by the free moisture found in traditional underlayment.

  • No lath required for plywood and OSB subfloors
  • High strength for 1/4″ to 1.5″ nominal pours
  • Low Prep Formula; Just Sweep, Prime & Pour- no sandblasting required on acceptable surfaces
  • Compatible with most radiant heating systems
  • Exceeds TCNA and ASTM requirements for ceramic tile and resilient floor covering installations
  • High flow formula has excellent handling and exceptional flow retention properties
  • Zero flame spread per ASTM E84 Standard Test Method for Surface Burning Characteristics of Building Materials
Technical Data Sheet Technical Data Sheet - French
Safety Data Sheet - English Safety Data Sheet - French
TechLevel™ WSF - Fiber Reinforced Self-Leveling Underlayment for Wood Subfloors Brochure TechLevel™ WSF - Fiber Reinforced Self-Leveling Underlayment for Wood Subfloors Brochure - Spanish CustomTech Warranty

Coverage Chart

TYPICAL SQUARE FOOT COVERAGE PER 50 LB BAG (SQUARE METER PER 22.68 KG)

THICKNESS COVERAGE
1/4" (6.35 mm) 22 ­- 22.7 ft² (2 ­ 2.1 M²)
1/2" (12.7 mm) 11 - 11.4 ft² (1 ­ 1.1 M²)
1" (25.4 mm) 5.5 ­- 5.7 ft² (0.51 ­ 0.53 M²)
1.5" (38.1 mm) 3.6 -­ 3.7 ft² (0.33 ­ 0.34 M²)

Chart for estimating purposes. Coverage may vary based on installation practices and jobsite conditions. For more sizes, use the material calculator at CustomBuildingProducts.com or contact CUSTOM Technical Services at 800-282-8786.

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