Visit the Design Resources section of the NCMA website to find hundreds of publications on correct and efficient design, as well as detailing construction of concrete masonry products. Also available at in the Bookstore.
A comprehensive online repository of NRC-authored technical reports, conference publications, articles, corporate publications, and more. Visit the NRC.
RR-331, “Guide to Calculating Airborne Sound Transmission in Buildings.” Download (Updated: 2018-12-20)
RR-334, “Apparent Sound Insulation in Concrete Block Buildings.” Download
“The ASTC Rating of Constructions with Precast Concrete Hollowcore Floors.” Download
Canadian Precast/Prestressed Concrete Institute Report A1-012467.128 March, 2018
“The Transmission Loss of 203 mm Thick Prestressed Precast Concrete Hollowcore Floors.” Download
Canadian Precast/Prestressed Concrete Institute Report A1-012467.228 March, 2018
“Best Practice Guide on Fire Stops and Fire Blocks and their Impact on Sound Transmission.” Download
NRCC-49677 June 2007