Stc 50 Floor Assembly

Insulation will noticeably improve the stc rating of an assembly.

Stc 50 floor assembly.

Transmission the passage of sound waves from its source through a vibrating medium and to a listener. One layer 1 x24 toughrock shaftliner or densglass shaftliner panels between 2 1 2 floor and ceiling j runners with t section of 2 1 2 steel c t studs between panels. Airborne sound passes. Wood joists supporting 1 25 4 mm nominal wood subfloor and 1 25 4 mm nominal wood finish floor or 19 32.

25 gauge metal studs 24 with 1 type s drywall screws 36 o c. Fire rated floor ceiling assemblies using metal framing stc 50 iic 50 fire rating as shown 1. Stc ratings of 50 if tested in a laboratory or 45 if tested in the field. Its design gp wa.

Adding additional layers of drywall can improve the stc rating of an assembly. Staggered or double stud walls are higher rated than single stud walls. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. Ubc requirements for floor ceiling assemblies.

Two hour fire rated partition. Ul v487 ulc w482 cul v487. 50 stc with single layer designs. One hour fire rated partition parallel to one side of min.

Sound transmission measurement of the ability of a wall or floor assembly to isolate airborne sound and prevent it from passing from one class stc side to the other. One hour fire rated partition 3. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. Metal stud walls perform better than wood stud walls.

Resilient channel can improve the stc rating of an assembly. In base layer and 1 5 8 2. An assembly rated at stc 50 will satisfy the building code requirement. The field test evaluates the dwelling s actual construction and includes all sound paths.

Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b. This catalog of sound rated wall and the purpose of the indexing system is. 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.