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Select gauges or types of sheet metal or nonmetallic material, according to product specifications.
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Maneuver completed roofing units into position for installation.
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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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Hire, train, or supervise new employees or apprentices.
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Fasten roof panel edges or machine-made moldings to structures by nailing or welding.
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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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Shape metal material over anvils, blocks, or other forms, using hand tools.
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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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Finish parts, using hacksaws or hand, rotary, or squaring shears.
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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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Convert blueprints into shop drawings to be followed in the construction or assembly of sheet metal products.
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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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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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Fabricate or alter parts at construction sites, using shears, hammers, punches, or drills.
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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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Transport prefabricated parts to construction sites for assembly and installation.
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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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Maintain equipment, making repairs or modifications when necessary.