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What Type of Duct does a Type II Hood require?

April 26, 2017duct hood ii require type

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What Type of Duct does a Type II Hood require?

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The Uniform Mechanical Code states that a Type II Hood must have a duct that is constructed of rigid metallic materials of al least 0.024-inch (.0.61) (No.24 gage) thick. You should consult with the Local Authority Having Jurisdiction for information regarding Type II duct requirements in your area prior to any engineering decisions or fabrication.