stc rating of 5 8 gypsum board Below is a list of common wall types and their estimated STC ratings that could be used as a guideline for design These ratings are estimated meaning that actual laboratory test data
The following examples of different steel stud wall systems demonstrate improved STC values by the inclusion of Johns Manville sound control insulation between metal studs 24 610 mm on 8 USG Acoustical Assemblies Components Walls and Partitions SHEETROCK Brand Gypsum Panels Available in thicknesses of 1 4 to 3 4 for assembling interior partitions with one or
stc rating of 5 8 gypsum board
stc rating of 5 8 gypsum board
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Stc Rating Chart Floor Ceiling Assemblies Viewfloor co
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What Is STC Rating Indow
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The STC rating figure represents approximately the decibel reduction in noise that the assembly can provide For an interior wall that is made of 3 5 8 metal studs with one layer of 5 8 A single layer of 1 2 regular gypsum board applied to both sides of a wall framed with 2 x 4 wood studs 16 o c with 5d nails 8 o c Test reference NRC 66 CONC 1 2 1 1 4 1 System 2 GA WP 1630 STC Rating 45 49
Sound Transmission Class STC is an integer rating of how well a building partition attenuates airborne sound In the USA it is widely used to rate interior partitions ceilings and floors doors windows and exterior wall configurations Architects and contractors design and build assemblies that reduce sound transmission between spaces in commercial and multifamily buildings Download the Acoustics Overview and sound assemblies to learn more
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Structurally decoupling the gypsum board panels from each other using resilient channel a staggered framing assembly or a double stud wall can yield an STC rating as high as 63 or Product Specifications Thickness 5 8 15 9mm tapered edges Width 4 1220mm Lengths 8 2438mm 9 2743mm 10 3048mm Weight 2 6 lbs sqft STC rated Assemblies per ASTM E 90 48 60 Fire rated per ASTM E 119 UL263 1 hour Type X Flame Spread per ASTM E 84 Class A Product Standards ASTM C 1396
The STC rating provides a rough indication of the decibel reduction of noise achievable by a partition particularly in relation to speech sounds Enhancing the sound transmission class of a partition can be A higher STC rating means more airborne sound is blocked by the component or assembly Lower STC ratings mean more sound passes through the components or
Understanding Acoustical Wall Designs 6 Variables That Affect STC
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stc rating of 5 8 gypsum board - The STC rating figure represents approximately the decibel reduction in noise that the assembly can provide For an interior wall that is made of 3 5 8 metal studs with one layer of 5 8