Sound Seal has completed a new series of acoustical tests for glue down engineered hardwood flooring, the company says. 



Sound Seal has completed a new series of acoustical tests for glue down engineered hardwood flooring, the company says.   Independent testing shows an IIC rating of 57 and 60 over concrete and wood construction using the 3mm model.  Sound Shark rubber underlayments are available in different models offering excellent performance in both floated and double glue down installations, according to the company.