Dwang

Bracing piece used between wall studs

In construction, a dwang Scotland and New Zealand, nogging piece, nogging, noggin or nog England and Australia, or blocking North America, is a horizontal bracing piece used between wall studs to give rigidity to the wall frames of a building. Noggings may be made of timber, steel, or aluminium. If made of timber they are cut slightly longer than the space they fit into and are driven tightly into place or rabbeted into the wall stud. Although noggings between vertical studs brace the studs against buckling in compression they provide no bracing effect in shear, which is resisted by diagonal bracing to stop the frame racking.

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