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Fasten roof panel edges or machine-made moldings to structures by nailing or welding.
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Maneuver completed roofing units into position for installation.
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Trim, file, grind, deburr, buff, or smooth surfaces, seams, or joints of assembled parts, using hand tools or portable power tools.
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Install assemblies, such as flashing, pipes, tubes, heating and air conditioning ducts, furnace casings, rain gutters, or downspouts in supportive frameworks.
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Determine project requirements, such as scope, assembly sequences, or required methods or materials, using blueprints, drawings, or written or verbal instructions.
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Fasten seams or joints together with welds, bolts, cement, rivets, solder, caulks, metal drive clips, or bonds to assemble components into products or to repair sheet metal items.
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Lay out, measure, and mark dimensions and reference lines on material, such as roofing panels, using calculators, scribes, dividers, squares, or rulers.
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Fabricate or alter parts at construction sites, using shears, hammers, punches, or drills.
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Hire, train, or supervise new employees or apprentices.
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Convert blueprints into shop drawings to be followed in the construction or assembly of sheet metal products.
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Transport prefabricated parts to construction sites for assembly and installation.
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Maintain equipment, making repairs or modifications when necessary.
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Fabricate ducts for high efficiency heating, ventilating, and air conditioning (HVAC) systems to maximize efficiency of systems.
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Inspect individual parts, assemblies, or installations, using measuring instruments, such as calipers, scales, or micrometers.
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Perform building commissioning activities by completing mechanical inspections of a building's water, lighting, or heating, ventilating, and air conditioning (HVAC) systems.
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Shape metal material over anvils, blocks, or other forms, using hand tools.
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Verify that heating, ventilating, and air conditioning (HVAC) systems are designed, installed, and calibrated in accordance with green certification standards, such as those of Leadership in Energy and Environmental Design (LEED).
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Select gauges or types of sheet metal or nonmetallic material, according to product specifications.
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Finish parts, using hacksaws or hand, rotary, or squaring shears.