ABSTRACT
Figure 153 Transmission loss in composite with two layers of 814 fiberglass board with two layers of a O.193-psf lead-vinyl septa (test panel #12G in Table 74) [249].
Figure 154 STC transmission loss in composite with two layers of 814 fiberglass board with one layer of lead mal septa (test panel #LMI in Table 74) [249].
