What is the difference between STC, CSTC and CAC?
Ceilings have their own testing system (CAC) that is equivalent to wall ratings and more applicable to ceilings per the
Home » sound leakage
Ceilings have their own testing system (CAC) that is equivalent to wall ratings and more applicable to ceilings per the
9442 North Capital of Texas Highway
Plaza One, Suite 500
Austin, TX 78759
By Appointment Only