Sound Transmission Standard
The Masonry Society’s Standard Development Committee has updated this useful Standard which provide minimum requirements for rating masonry walls for a sound transmission class (STC) based on field or laboratory testing or based on a calculation procedure. Some of the topics covered include reference standards, definitions and notations, materials, construction, quality assurance and sound transmission class rating. The Standard is written as a legal document in mandatory language so that it may form a part of a legally adopted building code. The Commentary presents background details, committee considerations, and research data used to develop the Standard.
For the 2007 Edition of this standard, the dataset for which the equations are based was increased to reflect addition research and the equations were modified from a linear approximation of the data to a nonlinear equation that better fits the test results. In addition, separate equations for clay and concrete masonry walls are now used to reflect the varying properties of these materials related to sound transmission.
Retail Price: $30, plus SH
Member Price: $22.75, plus SH
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