ARDEX A 38 produces ultra-rapid drying floor screeds which can be walked on after just 3 hours and floorcoverings installed in as little as 4 hours, regardless of thickness. Use ARDEX A 38 for bonded, unbonded and floating screeds in internal and external locations, including wet areas such as swimming pools. Walk on after 3 hours Receives ceramic and natural stone tiles directly after only 4 hours Install carpet, wood and vinyl floorcoverings after 48 hours Passes BRE Screed (ISCR) Testing after 6 hours After just one day, achieves the acceptable minimum compressive and tensile bending strengths attained by an ordinary cement screed after 28 days For internal and external use, including wet and submerged areas