MOISTURE We understand that finding a floor that properly handles concrete moisture can cause huge hurdles in design. ethos creates a powerful barrier for protection against moisture and is durable enough for nearly any subfloor condition. And with TandusTape+TM, installation is free-lay, faster and longer lasting with low VOCs. [Stands up to subfloor conditions of 15 lbs MVER, 98% RH and 11.0 pH. Passes 10,000 impact moisture penetration testing.] TIME-TESTED INNOVATION FOR THE FUTURE OF FLOORING