ARDEX K 15 is a heavy-duty, rapid-drying, self-leveling smoothing compound that is pumpable and designed for efficient leveling and smoothing of various internal subfloors. Thanks to its unique rapid-drying properties, floorcoverings can be applied as quickly as 4 hours after ARDEX K 15 is laid. This product is ideal for leveling and smoothing uneven internal surfaces in a single application, including concrete, cement/sand screeds, porcelain, ceramic, quarry tiles, and anhydrite screeds, before floorcovering installation. It’s commonly used to correct issues like uneven or damaged