ARCAT | Free Building Product CAD Details, BIM, Specs and …

Ventilation Air Change Rate: Sound-isolation practice rooms with 406 cu. ft. (11.5 cu. m) interior volume shall have 35 air changes per hour. Other rooms will vary according to size and occupancy. Sound-Isolating Door Sound Transmission Class: With full window, per internal testing only: STC 46. ................
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