Effects of acoustical ceiling panel type: Vertical sound isolation
Construction Specifier
APRIL 30, 2021
For nonresidential buildings with concrete structural floors and suspended acoustic panel ceilings, the information and test data are limited. STC is measured in a laboratory and is used as reference during design. earn a minimum ceiling attenuation class (CAC) rating of 35. NIC is measured in the field after construction is complete.
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