FavoritePlease sign in to add this to your favorites. Topic: Ducts Subtopic: Duct Preparation Desired Outcome: Ducts and plenums properly supported Manufactured HousingPrintCopy to ExcelEmail TitleSpecification(s)Objective(s) 3.1601.4a Support (applies to all duct types) Flexible and duct board ducts and plenums will be supported where feasible in accordance with flex duct manufacturer specifications and local codesSupport materials will be applied in a way that does not crimp ductwork or cause the interior dimensions of the ductwork to be less than specified (e.g., ceiling, framing, strapping)Metal ducts will be supported by metal strapping, rods, or other materials, where feasible Eliminate falling and sagging Previous Detail Next Detail Back to 3.1601 Duct Preparation Back to Top