There are many permitted methods of generating a welded joint for grease exhaust ductwork. The choices will depend upon the code for your jurisdiction but need to include flanged, telescoping, Bell style or overlapping joints. In addition, these accessibility doorways should be massive enough to facilitate comprehensive routine maintenance. They https://grease-tight-extract-duct01123.thekatyblog.com/35369041/the-single-best-strategy-to-use-for-fire-resisting-ductwork-insulation