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Replacing outdoor vinyl ceiling with cedar. Is weatherproofing membrane necessary?
Posted on 2/2/26 at 3:42 pm
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 on 2/2/26 at 5:34 pm to ChairmanOfThisBoard
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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