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
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Ceilings have their own testing system (CAC) that is equivalent to wall ratings and more applicable to ceilings per the
At the University of Denver’s Boettcher Center Auditorium we have finished installing the insulation in the sound wall between classrooms
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