Sheet metal workers fabricate and install sheet metal components including ductwork, roofing, flashing, gutters, and custom metal work. Trade training typically includes 4-5 year apprenticeships. Work includes cutting, bending, shaping, and joining sheet metal using various tools and techniques. Workers understand metalworking properties, drafting, and CAD. Typical hourly rates range from $40-$80. Union sheet metal workers belong to the International Union of Sheet Metal, Air, Rail and Transportation Workers (SMART). Specializations include HVAC ductwork, metal roofing, laser cutting, and CNC programming. Modern skills include CAD design, CNC operation, and custom metal fabrication.