There are many approved methods of producing a welded joint for grease exhaust ductwork. The selections will rely on the code for your jurisdiction but need to consist of flanged, telescoping, Bell form or overlapping joints. Suited to indoor use with out more environmental protection In addition, because the landscape https://fire-resisting-ductwork-i89001.madmouseblog.com/17591430/considerations-to-know-about-grease-tight-extract-ductwork