The acoustic engineering community mourns Lewis S. Goodfriend

Last week we were saddened to hear about the passing of Lewis S. Goodfriend. A genuinely nice guy whose contributions to acoustical engineering will live on. See below from his obituary. Lew was a proud Marine, serving in the Korean War. After the war, in 1953, Lew founded LSG&A as

New white paper: One screw makes a difference.

Pliteq EchoOne users will find a new white paper this week entitles “One screw makes a difference”. We completed a laboratory study into the effect of short circuiting resilient channel in wood frame floor-ceiling assemblies.

New FloorScore® certificates available for GenieMat®

GenieMat® RST and GenieMat® FF are Indoor Air Quality Certified to SCS-EC10.3-2014 v4. The updated FloorScore® certificates are available on the product pages. Measured Concentration of Total Volatile Organic Compounds (TVOC): Less than/equal to 0.5 mg/m3 (in compliance with CDPH/EHLB Standard Method v1.2-2017).

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