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Light gauge steel (LGS)

Light gauge steel is thin, cold-formed steel sections used as an alternative to timber for the frames of walls, floors and roofs.

Also known as LGS, light gauge steel framing, cold-formed steel

Light gauge steel (LGS), also called cold-formed steel, is made by rolling thin steel strip into C- and U-shaped sections. Used in place of timber studs and joists, it is dimensionally stable, non-combustible, light for its strength and made to precise tolerances.

The construction logic is much the same as timber framing: studs, plates and panels. This means the same production thinking, and often the same machines, can be adapted to build in steel.

Related terms
Wall panelA wall panel is a prefabricated section of wall: a timber or steel frame, often already fitted with sheathing, insulation, windows and services. It is built in a factory and assembled on site. StudA stud is one of the vertical members that make up the frame of a wall panel.
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