Articles tagged “cac”
2 articles covering cac in acoustic engineering and building design.
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TUTORIALS5 min read
What Are Acoustic Ceiling Tiles?
Acoustic ceiling tiles absorb sound to reduce reverberation in offices, classrooms, and healthcare spaces. Learn about mineral fibre, fibreglass, and metal tile types, NRC ratings, and design.
March 20, 2026
ceiling tilesacoustic ceiling
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GUIDES9 min read
Ceiling Attenuation Class (CAC) — Speech Privacy Above the Ceiling | AcousPlan
CAC rating explained: ASTM E1414 test method, how open plenums destroy wall STC, CAC ratings for common ceiling tiles, and plenum barrier strategies for speech privacy.
March 19, 2026
CACceiling attenuation