Slab, wall material acoustic performance survey proves concrete soundness

Sources: RMC Research & Education Foundation, National Ready Mixed Concrete Association, Alexandria, Va.; CP staff A new report, “Compilation of Acoustics Information for Concrete Construction and Other Materials,” assesses sound transmission class (STC), impact insulation class (IIC) and other ASTM standard-measured metrics driving wall and floor-ceiling assembly acoustic performance. The RMC Research & Education Foundation and National Ready Mixed Concrete…

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