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 (see Technical Data section for minimum installation thicknesses by application).

Key Features

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

Standards

Tested in accordance with ASTM C1708