If the neighboring room produces 72 dB of noise, what would the minimum STC rating of the diving wall need to be to block the noise?
A.
50
B.
60
C.
70
D.
80
If the neighboring room produces 72 dB of noise, what would the minimum STC rating of the diving wall need to be to block the noise?
If the neighboring room produces 72 dB of noise, what would the minimum STC rating of the diving wall need to be to block the noise?
A.
50
B.
60
C.
70
D.
80