§ 11.20.03. Exceptions.
Latest version.
A.
Flex duct shall not be used under a house, in a crawl space with the exception of a mobile home when approved by the authority having jurisdiction.
B.
Mechanically approved fittings are required for all turns.
C.
Mechanically approved fittings are required for take off.
( Ord. No. 2002-04, § 3 )