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​​Self-Drying, Cement-Based Finish Underlayment​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

​​ARDEX FEATHER FINISH mixes to a creamy, smooth finish underlayment that eliminates flooring installation problems associated with disbonding, crumbling, mold, mildew and staining. ARDEX FEATHER FINISH may be used as an embossing filler when mixed with ARDEX P 82 Ultra Prime.

Install over: concrete, masonry, wood, terrazzo, and ceramic and quarry tile - as well as properly prepared residues of cutback and other non-water-soluble adhesives on concrete - all without the need for priming or the use of a latex additive.

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Étude de cas

Key Features

  • Blend of hydraulic and other cements
  • Self-drying matrix
  • Mixes with water only
  • Trowelable
  • Mold and mildew resistant
  • Interior use


  • General priming recommendations:
    • Porous surfaces: No priming required
    • Most non-porous surfaces (epoxy coating systems, metal and concrete treated with silicate compounds) must be primed with ARDEX P 82TM Ultra Prime
    • Gypsum underlayment - Use ARDEX P 51TM Primer 
  • Packaging: 10 lb. (4.5 kg)
  • Coverage: Up to 300 sq. ft. per bag (27.9 m2)
  • Thickness:
    • True featheredge
    • 1/2 in. (13 mm) over large areas
    • Any depth in small areas
  • Pot life: 20 minutes (may be retempered)
  • Install floor coverings: 15 minutes


  • VOC: 0​​


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