At approximately 0100 Thursday March 13, 2008, units were dispatched for a commercial fire alarmwith two activations at 11900 Main St aka Chesapeake Funiture. Wagon 4 arrived on scene to find the interior of the building well involved, and Sgt. 4A advised dispatch to fill the full assignment. As units began attacking the fire, command requested Rescue Squad 5 for additional support. All units continued to attack the fire for quite a while. The fire was put out approx 0230 but overhaul could not begin until after the arrival of the Fire Marshall. Once the FM unit arrived onscene, crews began overhaul, but noticed that there was a hotspot in the roof. They cut open the roof, and quickly put out the hotspot. The medic units were placed in service at approx 0315.