Stc Floor Assemblies

Resilient channel can improve the stc rating of an assembly.

Stc floor assemblies.

In 1961 stc was introduced as the method for comparing various wall ceiling floor door and window assemblies. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. Insulation will noticeably improve the stc rating of an assembly. 25 4 mm nominal wood finish floor or 19 32 15 1 mm plywood finished floor with long edges t g and 15 32 11 9 mm interior plywood with exterior glue subfloor perpendicular to.

Metal stud walls perform better than wood stud walls. This catalog of sound rated wall and the purpose of the indexing system is. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. 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.

Stc is calculated by taking the transmission loss tl values tested at 16 standard frequencies over the range of 125 hz to 4000 hz and plotted on a graph. Dupree office of noise control california department of health services berkeley california 94704 introduction building codes. 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. Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b.