Which wall assembly will provide a higher sound transmission loss (TL): (a) 6-1/2-in.-thick concrete wall or (b) a 6 -1/2-in.-thick stud wall comprising 1-1/2 in. × 5 -1/2 in. wood studs covered on each side with 1/2-in.-thick gypsum board? Give reason(s) for your answer.
What will be an ideal response?
A 6-in.-thick concrete wall has higher TL because it is a much heavier wall than a stud wall. The surface density of an assembly is the main determinant of TL.
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