Firefighters from around the Concord area battle a fire at Stratham Tire on Manchester street Friday morning. Smoke from the fire could be seen for miles.
Firefighters from around the Concord area battle a fire at Stratham Tire on Manchester street Friday morning. Smoke from the fire could be seen for miles.

Firefighters are still working to find out what caused the blaze that destroyed the Stratham Tire building on Manchester Street in Concord on April 15.

Deputy Chief Sean Toomey of the Concord Fire Department said investigators are interviewing witnesses, collecting surveillance videos from neighbors and picking apart what tidbits they can learn from the charred scene.

โ€œWhen thereโ€™s really nothing left of the building, it makes a much more challenging investigation,โ€ he said Monday.

The tire store went up in flames about 6 a.m. before any employees were due into work. Toomey said investigators havenโ€™t found anything that made them suspicious of wrongdoing.

Toomey said he expects the analysts at the scene may come to a conclusion within two weeks, although two of the pertinent investigators are on vacation this week. Itโ€™s โ€œtoo early to tellโ€ whether theyโ€™ll definitely be able to produce a cause, he said.

The building, which was originally built in 1952, didnโ€™t have a sprinkler system. Toomey said the stateโ€™s building code makes special consideration for structures that store hazardous materials, such as tires, but they have to be โ€œpretty significant sizeโ€ to require sprinkers.

He estimated, โ€œTo get to the requirement, itโ€™s more of a warehouse, probably, than just a tire building.โ€

Stratham Tire purchased the building next door to the old location at 92 Manchester St. on Friday and plans to move in and reopen for business within two months, President Denise Littlefield said last week.

The new location will have a sprinkler system; although, Littlefield said she suspected that sprinklers wouldnโ€™t have made a difference in the fire. Tires burn so readily that the general wisdom in the tire industry is that sprinklers often canโ€™t stop the burn.

โ€œEverybody in the tire business knows that,โ€ she said.