The least duct thickness is defined by whatever code jurisdiction the venture is situated in. Below are two code references connected to the necessary thickness and materials type for grease ducts. All Blauberg supporter systems, AC and EC, support integration with gas interlock systems and fulfill the most up-to-date British https://greasetightextractductwor56778.livebloggs.com/43334314/commercial-kitchen-extract-systems-for-dummies