Firefighters quickly extinguished a major blaze Friday afternoon at a factory making heavy insulation in South Korea.

At about 4:33 p.m., fire broke out in a complex of five one-story building covering almost 3,000 square meters located in Ansan, 19 miles southwest of Seoul, local media report. Authorities dispatched 42 emergency vehicle, 115 firefighters and a hazardous materials team.

Within one hour the fire was out. The source of the blaze was traced to Styrofoam kept in storage and damage was limited to one building.

No injuries were reported.