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AC Plenum, distribution box and vent. Sealed?

AC Plenum, distribution box and vent. Sealed?

New postby RICHARD TAN on Tue Apr 07, 2009 7:40 pm

Hi Jerry,

AC Plenum, distribution box and vent. Do the inside of the duct board required to be sealed. In the old day the metal finger is tape and sealed with mastic. Is vent attachement to the drywall required to be sealed. I have found vent air leakage on my thermal imaging.
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Re: AC Plenum, distribution box and vent. Sealed?

New postby Jerry Peck - Codeman on Tue Apr 07, 2009 9:34 pm

Jerry Peck - CodeMan
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