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Stc 45 rating hvac penetrations


From: Oxicos1
Added: 4 months ago
Duration: 33:24

Understanding STC and STC Ratings - Soundproofing Company

The Sound Transmission Class (STC) is a single number rating of the effectiveness of a material or construction assembly to retard the transmission of airborne sound. The STC provides an indication of how loud transmitted sound is perceived to be by the cover Created Date:

Understanding STC and STC Ratings - Soundproofing Company

and HVAC equipment. CAC, and combination NRCCAC ratings Provide stylish and effective sound control in a full range of commercial applications including retail, healthcare, to 65 STC with multilayer designs, up to 63 STC with doublelayer designs, and up to 56 STC with singlelayer designs

Noise Control Products - Pottorff

STC Rating 45 to 49 Author: Powers Created Date: 11: 31: 20 AM

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