Timber Bond Super is a 3-in-1, 100%-solids, one–component, moisture-curing urethane adhesive. Timber Bond Super provides sound reduction and vapor moisture control on concrete slabs up to 25 lbs. moisture vapor emission rate (MVER) and 100% Relative Humidity (RH). For full details and installation instructions, read the Timber Bond Super Technical Data Sheet. Timber Bond Super is recommend for Kentwood engineered hardwood floors and ground rubber underlayment.