Traditional contracting wisdom held that if your driveway, patio or walkway was cracked and damaged, the only way to fix the problem was to rip out the old and install the new. These days, many ...
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.