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Replacing outdoor vinyl ceiling with cedar. Is weatherproofing membrane necessary?

Posted on 2/2/26 at 3:42 pm
Posted by ChairmanOfThisBoard
Member since Mar 2010
173 posts
Posted on 2/2/26 at 3:42 pm
I assume it's not needed as any little moisture that seeps through would just evaporate through attic.
Posted by Turnblad85
Member since Sep 2022
5031 posts
Posted on 2/2/26 at 5:34 pm to
I don't see why it would be any different than a soffit vent. Though you may consider a radiant barrier or insulation on top to keep from heating up so much in the summer. Depending on the roof above the patio orientation, the ceiling can radiate at lot of heat to people sitting below.
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