Box 27-1 was sounded for the Storage Building fire in the 500 Block of Buchanan Valley Rd. Engine Tanker, Engine and the Fire Chief responded to find a fire running the exterior wall spreading into the roofing material. ET-27 placed a pre-connected line in service and made a quick knock of the fire. The Box was quickly down graded to “27”. Crews opened up the area and wetted down the area.