General · Q-WDZJX

Wall Support Backing Connections for Steel and Wood Studs

Materials

Steel Timber / Wood

Elements

Walls Connections / Plates

Connections

Timber / Mass-Timber Connection

About this detail

Backing support connections for wall-mounted equipment across steel stud, wood stud, and alternate wood framing configurations. For steel framing, a sixteen-gauge track section spans the full depth of attachment and extends at least one stud beyond the last connection, secured to the steel stud wall per structural requirements. For wood framing, three-by-four or four-by-four minimum blocking is installed flush with the face of the studs and extends at least one stud beyond the last connection, with blocks offset vertically one inch to allow nailing. Framing angles measuring one and one-half by one and one-half inches by eighteen gauge by two and one-half inches long connect the blocking using four eight-penny nails on each leg typically at the top, bottom, and each end of the blocking. An alternate wood connection utilizes Simpson A34 framing connectors at the top and bottom of each end of the blocking, with four-by-four blocking required when the supported unit is six feet tall or exceeds five hundred pounds.

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