Stc And Iic Ratings For Wall And Floor Ceiling Assemblies

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Stc and iic ratings for wall and floor ceiling assemblies.

Sound ratings gypsum board assemblies are laboratory tested to establish their sound insulation characteristics. Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b. 35 39 stc and 32 iic. Astm e90 standard test.

Toughrock shaftliner or densglass shaftliner panel inserted between 2 1 2 floor and ceiling j runners with h section of 2 1 2. Airborne sound passes through a space by vibrating the air. Transmission the passage of sound waves from its source through a vibrating medium and to a listener. Dupree office of noise control california department of health services berkeley california 94704 introduction building codes.

Figure 3 insulating wall cavities noticeably improves sound transmission loss by providingbetween one wall surface and the other cavity absorption. 35 39 stc and 32 iic 66 w c p. Class stc side to the other. Impact noise tested on floor ceiling systems only is reported as the impact insulation class iic.

Partitions and floor ceiling assemblies constructed in accordance with the diagrams shown herein are considered to have sound transmission class stc ratings and impact insulation class iic ratings of 50 as shown. This catalog of sound rated wall and the purpose of the indexing system is. Faced concrete block wall floor and ceiling assemblies solid wood floor joist assemblies wood i joist assemblies wood truss assemblies steel joist floors.