Overview
- Flames broke out Thursday afternoon at 1 S. Eastern Ave. near Washington Street in an industrial area identified by signage as Union Signs and Printing.
- Firefighters shifted to a defensive attack after the blaze broke through the roof, which partially collapsed as heavy smoke poured from the structure.
- Multiple engines and aerial ladders were deployed, with crews still working on the scene around 4:30 to 5 p.m.
- Joliet police closed nearby roads and urged the public to avoid the area during active operations.
- The site sits near Metra's Rock Island tracks, and no service disruptions were reported as the cause remains under investigation.