L-V: 7:30 am – 12:00 pm | 1:00 pm – 4:30 pm



ARDEX K 523™ is a pourable, polishable, self-leveling topping for fast-track resurfacing of indoor concrete. ARDEX K 523 can be installed from a minimum thickness of 3/8″ (9 mm) up to a maximum thickness of 2″ (5 cm). With black and white aggregates, ARDEX K 523 provides a polished, “aggregate-exposed” surface. Polishing can proceed in as little as 24 hours.

Key Features

A blend of Portland cement, hydraulic cements and specialty black and white aggregates
Resurface indoor concrete
Walk on in 2 – 3 hours, polish in as little as 24 hours
Use for interior floors only


Tested in accordance with ASTM C1708

Out of stock

​Self-Leveling Concrete Topping with Aggregate Surface

Features a mix of black and white aggregate
Resurface indoor concrete
Polishable in as little as 24 hours