Squad 7, engine 7-2 and utility 7 responded to 199 Walker Road for a building fire. Units from Chambersburg responded to this address for an AFA, arrived on scene and found smoke and fire showing from side Charlie. Command quickly had the box upgraded. Within minutes, command requested the second alarm be sounded for additional units and personnel. The fire started at ground level and went to the attic. The sprinkler system held the fire in check until firefighters could locate and extinguish the remainder of the fire. Personnel worked on scene for a few hours doing overhaul work before being placed in service.