UZIN NC 157 Premium-Floor Leveling Compound

Standard flow self-leveling compound

Portland-based self-leveling compound for use up to 2" depth application. Excellent flow and working time properties produce level, flat surfaces with good absorbency for all floor coverings and adhesives.


  • Interior use only
  • Efficient standard self-leveling work 
  • Producing flat and smooth surfaces for the installation of textile, resilient, ceramic, and wood floor coverings
  • Use as a self-leveling layer over existing hard surface flooring such as well bonded terrazzo, ceramic tile, stone and well bonded epoxy coatings
  • Use over structurally sound concrete, APA Exposure Type 1 plywood and OSB, or equally rated subfloor materials
  • Use over well bonded adhesive residues including cutback adhesive*
  • Residential and commercial applications
  • Use with radiant floor heating systems

*See “Substrate Preparation” for additional information


  • Long working time • Greater jobsite flexibility
  • Versatile • Applies from 1/4" up to 2" (6-50 mm) depth
  • Excellent mixing properties • Pumpable 
  • Standard dry time • 24 hours for most floor coverings

Technical data

At 70 °F (21 °C) and 50% relative humidity. Surface profile and porosity, application depth, temperature, and humidity will affect dry time and coverage. ** In original unopened packaging, when stored indoors in dry, moderate conditions between temperatures of 50F - 90F (10C - 32C)  

50 lb (22.7 kg) paper bag


up to 9 months**

Water quantity

4.25–4.75 quarts per 50 lb bag 
(4–4.5 liters per 22.7 kg bag)




27 sq. ft. at 1/4" per 50 lb bag*
(2.5 m² at 6 mm per 22.7 kg bag)*


0 g/L

Working time

20-40 minutes*

Ready for foot traffic

2–4 hours*

Ready for covering

see ready for covering chart

Minimum application temperature

50 °F (10 °C) at floor level

Flow ring spread

~5.5 in (140 mm)
ASTM C1708


compressive: 6,000 psi at 28 days
flexural: 1,100 psi at 28 days
ASTM C1708 | air cure only

Ordering information

Article Packsize Shipping unit
UZIN NC 157 77347 50 lb (22.7 kg) paper bag
Pallet :

Quality seals and badges

SCS_IAQ_IAG[Building Materials]_1CG

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