Crews were dispatched for an automatic fire alarm. Massanutten Security arrived on scene to find smoke in the structure. Engine 802 was the first engine to arrive on the scene. Engine 36 arrived shortly after and connected to the sprinkle system. Engine 36 pumped the sprinkler system till the fire was located in a shed on the exterior of the structure. Fire damage was limited to the room of origin. Cause of the fire is under investigation