Girt

Not to be confused with Australian National Anthem.

In architecture or structural engineering, a girt, also known as a sheeting rail, is a horizontal structural member in a framed wall. Girts provide lateral support to the wall panel, primarily to resist wind loads, and provide a framework for the thermal control layer. Though girts come in a variety of profile shapes, Z-girts predominate wall assembly applications.

A comparable element in roof construction is a purlin.

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