Articles tagged “αw”
2 articles covering αw in acoustic engineering and building design.
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GUIDES8 min read
How to Read a Manufacturer Acoustic Data Sheet Without Getting Fooled
Learn to decode acoustic product data sheets. Spot inflated NRC claims, missing test data, and marketing tricks that lead to bad material specifications.
March 20, 2026
data sheetNRC
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GUIDES8 min read
NRC vs αw vs SAA: Three Ways to Measure Absorption
Understand the differences between NRC, weighted sound absorption coefficient (αw), and SAA ratings with practical guidance on which metric to specify.
March 20, 2026
NRCαw