How to install a rectangular duct run
Straight, well-supported duct with sealed joints delivers air efficiently.
6 steps →How-to guides
Sheet Metal Worker How-To Guides
Step-by-step guides to common sheet metal worker tasks: the practical side of the job.
Common sheet metal worker tasks
Step-by-step overviews of tasks sheet metal workers perform regularly. Use them to understand the job, prepare for training or refresh your memory.
How to bend sheet metal on a brake
Accurate bends make fittings that go together without force.
6 steps →How to seal ductwork with mastic
Sealed ducts save energy and meet code leakage requirements.
5 steps →Before you practice
Learn every core task
Our Sheet Metal Worker training walks through these procedures and more, alongside vocabulary, safety and career-launch lessons.