WebIf you live in a condo, the IIC rating is important because many associations have minimum IIC ratings for floors. The minimum rating for IIC is usually 50. The higher the rating, the better the sound absorption. Acoustic underlayment with a high STC and IIC rating can make a dramatic difference in the sounds that your floor makes. WebAug 26, 2024 · Figure 2: Calculating airborne sound transmission class (STC) and impact isolation class (IIC) ratings. The International Building Code (IBC) establishes minimum …
Floor Soundproofing Underlay & Floor Sound Ratings …
WebAbuse and Impact Resistant Gypsum: Stronger and Safer Walls This course reviews the ASTM C 1629 test standard for abuse and i... Website EXPERT CONNECTION Technical Support Get assistance with product specifications, code regulations, installation and more. Call 1-800-NATIONAL® [email protected] Design & Sales WebSTC stands for sound transmission class This is the most common rating used in North America for determining airborne sound transmission loss between 125 and 4,000 Hz. … cra t2 sch 500
Interior Systems - Acoustical Performance - AWCI Technology …
WebUnited States Department of Housing and Urban Development WebWall and floor-ceiling assemblies separating tenant spaces and tenant spaces and public places shall have an STC of at least 40. Note: Examples of assemblies and their various STC ratings may be found at the California Office of Noise Control: http://www.toolbase.org/PDF/CaseStudies/stc_icc_ratings.pdf. Related Code Sections Web(Fire Rating) UL Number USG Levelrock® Sound Mat USG Levelrock® USG Durock™ Underlayment (a) Insulation Framing Member Depth RC Deluxe® USG Sheetrock® Brand Firecode® C or X Gypsum Panels Floor Covering Sound Rating Test Number STC IIC Engineered Wood I-Joist (1 Hour) L570 L589 M502 M506 SAM-N12™ 1/8 in . (3 mm) mat … cra t2 sch 427