Cooking processes generate vapours, heat and also other gases that have to be managed and properly removed from the Operating atmosphere. There are various permitted methods of making a welded joint for grease exhaust ductwork. The decisions will rely upon the code on your jurisdiction but must consist of flanged, https://commercialkitchenextracts23345.wizzardsblog.com/36949579/the-ultimate-guide-to-grease-tight-extract-ductwork