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Skim Coat & Patch Cement Underlayment

Skim Coat & Patch Cement Underlayment

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A fast-setting, polymer-modified, cement-based compound that provides a smooth finish to interior and exterior subfloors prior to the installation of a floor covering. Mix with water to patch and level concrete or plywood as thick as 1/2" (13 mm); mix with Patching & Leveling Latex Additive to form an ultra high-strength system over a variety of floor coverings or as an embossed vinyl floor leveler.

Technical Data Sheet

Key Features

  • Patches and smooths existing flooring
  • Install new flooring in just 60-90 minutes
  • Smooth finish - feather edge to 1/2" thick
  • Polymer-modified for strength


  • Quick-setting formula permits floor covering installation in as little as 60-90 minutes
  • Smoothes the finishes on interior and exterior subfloors
  • Patches and levels concrete and plywood to 1/2" (13 mm)
  • Combines with Patching & Leveling Latex Additive for added floor system strength


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