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Does Flexible Duct inhibit mold growth?

April 1, 2013

Yes. Per the UL181 test standard, the flex duct must be inoculated with mold mycelia & spores and inhibit the inoculated area to grow over a period of 60 days.

Yes.  Per the UL181 test standard, the flex duct must be inoculated with mold mycelia & spores and inhibit the inoculated area to grow over a period of 60 days.  This test is done in a closed vessel without light and the vessel atmosphere is saturated with water vapor.