Overhang: The extraction canopy need to overhang the cooking tools by a minimum of 250mm within the front and sides. For combi-steamers or baking ovens, this improves to 600mm. In all conditions the joints and seams will likely be welded, the only real exception are those manufacturing facility made duct https://lanesiwly.p2blogs.com/35665352/new-step-by-step-map-for-commercial-kitchen-extract-systems