Manufacturing, Manufacturing Plant Evansville, IN – Sprinkler system activated during rooftop fire at business August 7, 2018 viking210 Leave a comment Firefighters were called to a business near Hwy. 41 and Lynch road, just before 4:00 a..m., at Azimuth Custom Extrusions. A passerby says they saw the flames shooting from the roof and called for help. The business’ sprinkler system was activated during the fire. Once firefighters arrived, they determined the fire was coming from a fan on top of the roof. Employees were evacuated. It’s unclear if the fire extended into the interior of the business. The investigation is ongoing.