Stc 50 Wood Wall Construction

This catalog of sound rated wall and the purpose of the indexing system is.

Stc 50 wood wall construction.

Dupree office of noise control california department of health services berkeley california 94704 introduction building codes. The international building code ibc requires lab tested stc 50 for walls floors and ceilings for new construction. Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b. Insulation will noticeably improve the stc rating of an assembly.

Metal stud walls perform better than wood stud walls. Adding additional layers of drywall can improve the stc rating of an assembly. Resilient channel can improve the stc rating of an assembly. 5 8 15 9 mm toughrock fireguard c gypsum board or 5 8 15 9 mm densarmor plus fireguard c gypsum panels applied perpendicular to i shaped wood joists or wood and steel trusses spaced 19 2 488 mm o c.

Note that this is a minimal amount of isolation and you will likely be disturbed by neighbors. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Resilient channels attached 16 406 mm o c. Sound transmission class guidance introduction the noise guidebook pages 33 37 provides an elementary discussion of stc provides some stc ratings for common building materials and limited exterior and interior wall construction configurations and describes a method to determine composite stc value of a wall containing a window or door.

Through base layer perpendicular to. Best blocking stc 50 full height walls preferred share a sound blocking level of stc 50 means that a listener in a quiet room would need to exert effort to hear raised speech levels in adjacent rooms and the speech would not be understandable or disruptive. Wood framed resilient partition systems with safb can achieve up to 59 stc with double layer designs and up to 50 stc with single layer designs have achieved up to 4 hr. Maximum with 1 5 8 41 mm type s drywall screws 8 203 mm o c.

Achieving the stc 50 rating desired by aia and ansi guidelines can be accomplished with several alternatives which all have their strengths and weaknesses. Fire resistance ratings with 3 4 u ltracode core panels in steel framed partition assemblies. Staggered or double stud walls are higher rated than single stud walls.