The roof is flat with an opening for a stone fireplace chimney. The roof framing may be interrupted for openings such as a chimney or skylight. The boiler had a blastpipe in the chimney. The station had a single brick chimney and three wooden cooling towers. They can also be built into a window, wall, roof, chimney, etc. The buildings were in redbrick with a single brick chimney. The boiler included a top-feed (between the chimney and dome). The steam travels through the smokebox before leaving via the chimney or smoke stack. Flashing is used to seal the gap between the chimney and roofing material. It has an exclusive brick chimney. A tall exhaust chimney is constructed in the centre. The fire was likely caused by a defective chimney. Neighbours also reported smoke coming from the chimney all weekend. The station had a single chimney and two reinforced concrete cooling towers. "Smoke hoods" were an early method of collecting the smoke into a chimney (see image).