Stc 50 Wood Wall Construction
Through base layer perpendicular to.
Stc 50 wood wall construction. The international building code ibc requires lab tested stc 50 for walls floors and ceilings for new construction. Insulation will noticeably improve the stc rating of an assembly. Alternative stc 50 wall build ups. 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.
Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Fire resistance ratings with 3 4 u ltracode core panels in steel framed partition assemblies. The issues concerning construction costs time and building space needed for such a wall type introduce a need for alternative wall designs. These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.
Staggered or double stud walls are higher rated than single stud walls. Resilient channels attached 16 406 mm o c. Metal stud walls perform better than wood stud walls. 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.
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. Maximum with 1 5 8 41 mm type s drywall screws 8 203 mm o c. Note that this is a minimal amount of isolation and you will likely be disturbed by neighbors. Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b.
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. Achieving the stc 50 rating desired by aia and ansi guidelines can be accomplished with several alternatives which all have their strengths and weaknesses. Adding additional layers of drywall can improve the stc rating of an assembly.