Stc 50 Wood Wall Construction

Dupree office of noise control california department of health services berkeley california 94704 introduction building codes.

Stc 50 wood wall construction.

Maximum with 1 5 8 41 mm type s drywall screws 8 203 mm o c. 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. 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.

Resilient channel can improve the stc rating of an assembly. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Through base layer perpendicular to. 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. 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. The international building code ibc requires lab tested stc 50 for walls floors and ceilings for new construction. Resilient channels attached 16 406 mm o c.

Staggered or double stud walls are higher rated than single stud walls. Metal stud walls perform better than wood stud walls. Achieving the stc 50 rating desired by aia and ansi guidelines can be accomplished with several alternatives which all have their strengths and weaknesses. This catalog of sound rated wall and the purpose of the indexing system is.

Adding additional layers of drywall can improve the stc rating of an assembly. Insulation will noticeably improve the stc rating of an assembly. Alternative stc 50 wall build ups.