Definitions for "Sheet metal"
The traditional way of defining the thickness of sheet metal has been the Birmingham Sheet Metal Gauge.
sheet of metal formed into a thin plate
Ductile metal which has been rolled to a uniform thickness, generally between 10-30 gauge, for stamping or forming.
Traditionally, drawings prepared by specific trades to describe the quantity, shape,size,and materials and other details to be manufactured, built, or constructed. In signage, it now refers to drawings prepared by fabricators describing their intended methods of construction and sequence of assembly to be reviewed by designer and owner for approval prior to construction and fabrication. The essential reason for shop drawings is to be sure the original design concept is accurately carried out in the construction process. See also template, contract documents.