DUCT INSTALLER/ FITTER • Cuts and shapes fiberglass sheet to form heating and air-conditioning ducts, using hand tools: Places sheet on worktable for cutting. • Measures and marks sheet according to specifications, using tape measure and marker. • Cuts wedge shaped grooves according to marking to facilitate folding, using straightedge and knife. • Folds sheet to form rectangular duct and fastens open edge of duct, using pneumatic stapler. • Cuts aluminum tape according to length of duct and tapes edge of duct to make air tight seal. • Writes model number on completed sections of duct with felt pen. • Moves ducts to designated storage area.