WebThe minimum Sound Transmission Class (STC) and Impact Insulation Class (IIC) ratings of 45/50 established by most codes for partition and floor assemblies often prove insufficient for many occupants. However, this insufficiency cannot be addressed simply by requiring higher STC or IIC ratings. Most often, the failure of the WebTo properly specify the amount of sound control desired in a floor/ceiling assembly, an architect should consider both the STC value and IIC rating. The STC value is a …
UL Assemblies with STC and Fire Ratings - Knauf Insulation North …
WebJul 1, 2024 · Can someone point me were to find a stc rating of 50 for existing wood floor assembly consisting of 3/4" t&g plywood and 2x10's. the floor needs to have a 1 hour … WebMar 5, 2024 · The overall STC rating is an average of the STC ratings measured between 125 Hz and 4,000 Hz. Determine Target STCs. ... This is the rating given to flooring assemblies and determines how well they mitigate impact noise (footfall mostly). As opposed to STC, IIC rates the flooring assembly as a whole, not just the material on its … fix phones texas city
BID0024 Wood Framing STC & IIC Values - Johns …
WebAK103.1 General. Floor/ceiling assemblies between dwelling units, or between a dwelling unit and a public or service area within a structure, shall have an impact insulation class (IIC) rating of not less than 45 when tested in accordance with ASTM E492. SECTION AK104 REFERENCED STANDARDS WebGypsum Board in all fire assemblies. Refer to the specific UL designs for assembly details. Common Wall Assemblies: Light Gauge Steel Stud Walls Single 3 5/8” Steel Stud Wall, 24” OC - STC 55 Single 3 5/8” Steel Stud Wall, 24”OC - STC 60 QuietRock® on one side, Type X on the other QuietRock® on one side, 2 layers 5/8” Type X on the ... WebUBC requirements for floor/ceiling assemblies: STC ratings of 50 (if tested in a laboratory) or 45 (if tested in the field*). * The field test evaluates the dwelling's actual construction … fix phone wireless connect to printer