Abstract
Caulking is one of the significant elements in the achievement of effective sound insulation between adjacent spaces or dwelling units. This paper presents calculations and discussion related to the benefits of caulking, with particular reference to sealing at the base of common walls and at electrical boxes. Data in the technical literature are used to derive an estimate of the effective “sound transmission class” associated with one or more beads of caulking, Using these data, calculations are made of sound leakage transmission for various configurations of the wall base. For analysis of double‐stud walls, these have been modeled as acoustical plenums, and on this basis are seen to have some advantages in terms of the leakage path attenuation. A generally similar approach is used to calculate the attenuation achievable at boxes installed in common walls.
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