Uneven floors can ruin any flooring install but self-leveling underlayment makes fixing it easier than you think. This step-by-step DIY guide shows you how to prep, pour, and smooth out a concrete ...

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.