A large sheet of metal fell from the roof of the Dallas Cowboys' AT&T Stadium on Monday, hours before the struggling team was due to take on the Houston Texans.

No injuries were reported but the retractable roof of AT&T Stadium was closed after a piece of metal fell onto the field.

Corrugated and flat sheets may appear simple to install, but the project can easily go wrong—incorrect installation can lead to leaks and corrosion. Some standing-seam metal panels require ...

HVAC workers fabricate and install fans and ducts or air handling units. Architectural sheet metal workers install panels and siding to protect and preserve structures or buildings. Industrial ...