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 ARDEX K 520™

Self-Leveling Concrete Topping​​​​​​​​​​

ARDEX K 520™ is a self-leveling, topping for fast-track resurfacing, smoothing or leveling of indoor concrete and certain non-porous surfaces. ARDEX K 520 can be installed up to 1" (25 mm) thick neat and up to 3" (7.5 cm) thick with the addition of appropriate aggregate.

Use ARDEX K 520 in warehouses, utility rooms and light manufacturing areas to provide a hard, flat, smooth surface that can be sealed. Also use over concrete and terrazzo substrates in areas that require a polished surface. Sealing or polishing can proceed in as little as 24 hours

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  • A blend of Portland cement and other hydraulic cements
  • Resurface indoor concrete and certain non-porous surfaces
  • Walk on in 2 to 3 hours, seal in as little as 24 hours
  • Polish in as little as 24 hours
  • Use for interior floors only 

Available in 50 lb. packaging


 Technical Data Reference


 Safety Data Sheets