Stc And Iic Ratings For Wall And Floor Ceiling Assemblies

Faced concrete block wall floor and ceiling assemblies solid wood floor joist assemblies wood i joist assemblies wood truss assemblies steel joist floors.

Stc and iic ratings for wall and floor ceiling assemblies.

Class stc side to the other. Airborne sound passes through a space by vibrating the air. Search for georgia pacific assemblies by selecting an assembly type hourly rating stc rating or product type above or type part of a assembly name. Walls and both airborne and impact sound insulation for floor ceiling assemblies.

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. 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. Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b.

Toughrock shaftliner or densglass shaftliner panel inserted between 2 1 2 floor and ceiling j runners with h section of 2 1 2. 35 39 stc and 32 iic 66 w c p. This catalog of sound rated wall and the purpose of the indexing system is. Sound ratings gypsum board assemblies are laboratory tested to establish their sound insulation characteristics.

Figure 3 insulating wall cavities noticeably improves sound transmission loss by providingbetween one wall surface and the other cavity absorption. Astm e90 standard test. Impact noise tested on floor ceiling systems only is reported as the impact insulation class iic.