Straight from the Source

Smith’s SKM – Polyurethane Light Gray Skim-Coat


Smith’s SKM is a 2-Component, Fast Setting,
Moisture Tolerant, 100% Solids Polyurethane Light Gray Skim-
Coat and Patching compound with good elongation to aid in
suppressing minor cracks from telegraphing through yet rigid
enough for traditional substrate surface repairs.

For use interior or exterior under most resinous coatings or polymer
modified cementitious overlays, including but not limited to Smith’s
CPR products in thermal shock environments.

12 months with 0% interest for qualified customers on equipment purchases of $10,000 or more.
SKU: SCS-SKM-080kit Category: Brand:



  • Skim-coating Chips, Gouges, Spalls, Pop-outs, Voids & Cracks
    (static, non-moving) Apply Feather Edge (0”) t5” neat (Any depth w/ aggregate extension)
  • Above, On or Below Grade Applications
  • Rebuilding Control Joint sidewalls
  • For Interior & Exterior applications
  • May be used for repairs & patching prior tSmith’s Epoxy
    MAC100 or Smith’s Epoxy MAC125 (surface must be diamond ground
    prior tapplying Smith’s MAC products over Smith’s SKM)
  • Bonds to:
    • Ceramic, Porcelain, Stone & Quarry Tiles
    • Coatings (Epoxy, Cementitious Urethane, Methyl Methacrylate, Novalac,
      Polyaspartic, Polyurethane, & Vinyl Ester)
    • Concrete & Polymer Modified Overlays
    • Metal Floors (Stainless Steel, Iron, Steel, Copper, Treated Aluminum*)
    • Terrazzo
    • Tennis Courts (Concrete & sound/solid Asphalt)
    • Wood Subfloors (underlayment grade plywood or OSB


  • Fast Return-to-Service
    • Sand = Typically 2 ½ to 3 hours @ 72°F / 50% Humidity
    • Accepts subsequent layer once hard set
    • Accepts Heavy Forklift Traffic overnight
  • Highly Chemical Resistant
  • High Strength and Flexibility
    • Good Impact Resistance & Load Transfer
    • Reduces Shear Stress at bond line
    • Resists Aging & Elasticity Fatigue
  • Tenacious Bond to a variety of substrates
    • Self-Priming over most substrates (Prime highly absorbent substrates)
  • High Solids Content – Low VOC’s
  • Performs well in areas of regular water exposure or submersion

Additional information

Weight 5 lbs

Product Manuals

Smiths SKM Fast Cure skimcoat patch

Smiths ISC Industrial Solid Colors COLOR CHART