Abstract:Any acoustic testing laboratory that performs the ASTM E1414 testing of ceiling attenuation class ceiling system will have experimented with a few odd cases and learned a few interesting “rules of thumb.” The Armstrong World Industries Acoustic Testing Laboratory in Lancaster, PA, has certainly had its share of those, and has learned a few things about materials and systems along the way. We would like to share these understanding about ceiling materials, grid systems, plenum stuff, etc. Test data…that is what… Show more
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