Firefighters extinguish a fire on the exterior of a commercial building in the 15900 block of Nelson Road in unincorporated Woodstock Thursday morning. | Photo: WFRD.

Fire officials believe lightning from overnight storms caused the deck of a large two-story incinerator to catch on fire at a building near Woodstock.

The Woodstock Fire Rescue District responded around 5:23 a.m. Thursday to Vorteq Coil Finishers, 15920 Nelson Road in unincorporated Woodstock, for a report of a commercial building fire.

Alex Vucha, a spokesperson for the Woodstock Fire Rescue District, said firefighters arrived to find flames coming from an exterior wooden structure that surrounded a large two-story incinerator.

Firefighters had to establish rural tender and water supply operations at the roadway since the area is not supplied by fire hydrants, Vucha said.

Firefighters extinguish a fire on the exterior of a commercial building in the 15900 block of Nelson Road in unincorporated Woodstock Thursday morning. | Photo: WFRD.

Firefighters quickly engaged in a defensive fire attack and the fire was extinguished within five minutes.

A further investigation confirmed the fire was contained in the area surrounding the incinerator and remained on the exterior of the building. No damage was reported on the interior.

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Investigators suspect that an overnight lightning strike caused the fire, but an investigation is ongoing, Vucha said, adding that the blaze is not considered suspicious.

A damage estimate was not immediately available. The wooden structure and incinerator were both damaged in the fire.

No fire personnel or civilians were injured during the incident.