As firefighters were rushing to a fire at a fiberglass repair shop in Atascadero on Friday evening, the building exploded. [KCOY]
At about 6 p.m., a fire was reported at the building located off Sycamore and Curbaril roads. Firefighters are investigating the cause of the explosion.
Chemicals in the building were of a concern to firefighters who were accompanied by a hazmat team. A total of 20 engines responded to the fire.
No one was in the building at the time and no one was injured. The building appears to be a total loss.

