Big News – Uniform Mechanical Code (UMC) 5 foot Flex Duct Residential Limitation Cancelled

News Flash – JPL has recently learned that the Air Duct Council (ADC) active members and associates have been successful in an appeal before the IAPMO Standards Council in the matter of limiting the use of flexible air duct in residential installations. The 2018 Uniform Mechanical Code (UMC), in regards to flexible air duct in residential installations, will remain the same as the 2015 UMC. Sanity again reigns.


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