Like ARDEX K 520, launched earlier this year, ARDEX K 521 is a self-leveling topping used for fast track resurfacing, smoothing or leveling of various indoor concrete and certain non-porous surfaces.

Nearly 500 architects, general contractors and installers were treated to a combined presentation by Peter Craig, Allen Face and Eldon Tipping at multiple sessions held in Boston on October 22 and 24, ...