Page 253 - Master Handbook of Acoustics
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FIGURE 12-8 When ordinary building insulation is used as a wall treatment (perhaps with fabric
facing), the position of the Kraft paper backing becomes important. (A) R-19 glass-fiber building
insulation. (B) R-11 glass-fiber building insulation with mounting A (material directly on hard
surface).
Glass-fiber insulation is an excellent and inexpensive absorbing material. When used in panels, a
cosmetic and protective cover is usually required, but this is true of denser materials as well. Fabric,
