Acton, MA - Acton firefighters responded to Rex lumberyard for a report of a building fire on June 23rd. Upon arrival, fire was showing from the roof and it was determined that the kiln was on fire. Command requested the working fire, bringing mutual aid in to the fire. Companies stretched handlines over the aerials to gain access to the fire. Multiple saws were put to work to open up the area and check for any extension. The crews had the fire knocked down in a short time.