WebOITC values for some of these walls have been calculated in accordance with ASTM E1332 from E90 test data, and are presented in Table 1. In general, for concrete masonry walls, heavier walls have higher OITC values. Note that the ASTM E1332 OITC calculation requires transmission loss ( TL) test data from 80 Hz to 4,000 Hz, while ASTM E90 test ... WebVDOMDHTML html>. USG Design Studio Wall Assemblies. Service & Support. Contact Us. Customer Service (Sales)1-800-950-3839. Technical Support1-800-USG-4YOU. Email …
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WebThe chart below shows the ratings of different types of glass, as well as how other building envelopes measure up. ... Double layer of gypsum wall board, both sides, 3-5/8" metal studs, 3" sound attenuation: 54 : ... Keep in mind that the STC and OITC rating numbers equate to how many decibels of noise are reduced by the glazings and that’s ... WebSTC Ratings of wall assemblies insulated with Cellulose Spray. Testing done with full scale assemblies by National Research Council Canada. Wood Stud Assemblies 60 51 54 57 62 STC 24” OC 4” Metal Studs Two layers 5/8” Gypsum Board each side Resilient Furring one side 3-1/2” Cellulose Spray • Test TL-94-024 24” OC 6” Metal Studs hcvwarrior
How to Determine STC Rating of a Wall, Drywall and …
WebA good and acceptable rating for walls may not be the same for floors, etc. With that in mind, an STC rating below 40 will allow you to hear most of what’s happening on the other … WebThese tests have indicated a direct relationship between wall weight and the resulting STC—heavier concrete masonry walls have higher STC ratings. A wide variety of STC ratings is available with concrete masonry construction, depending on wall weight, wall … 13750 Sunrise Valley Drive Herndon, VA 20241 703.713.1900 703.713.1910 (fax) … http://www.spray-on.com/wp-content/pdfs/brochures/STCs_7112013.pdf golden cedar court