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DG-1110-3-119
Design Guide: Band Training Facilities
March 1983
Figure 5-5. Masonry Wall and Concrete Plank Roof
or without concrete topping). Isolation performance
decreases with decrease in mass, and with increase in
stiffness (stiff materials carry vibrations more readily).
Concrete is best, and metal deck without topping is worst.
A concrete or concrete plank roof (as in Figure 5-5)
requires no further ceiling isolation measures in the case
of Individual Practice Rooms. Only a regular acoustical
ceiling (non-STC rated) is needed to provide absorption
within the room, as a room acoustics provision.
5-5
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