Overhang: The extraction Cover ought to overhang the cooking tools by at the very least 250mm with the front and sides. For combi-steamers or baking ovens, this raises to 600mm. In all instances the joints and seams are going to be welded, the only real exception are Individuals manufacturing facility https://fireresistingductworkinsu89011.ziblogs.com/37198674/grease-tight-extract-ductwork-fundamentals-explained