No one was reportedly injured in a fire early Friday at a plant in Zelienople.
Firefighters were called to BNZ Materials on Front Street about 1:45 a.m. for fire in the saw dust collection system, according to Harmony Fire District.
Crews were able to contain the blaze to a storage bin, with minimal damage being done to the warehouse.
Firefighters from Harmony, Portersville, and two departments from out of Butler County were on scene until 6 a.m.
BNZ Materials is a global manufacturer of insulating fire brick and structural insulation.