Do I need vapour barrier when drywalling the kitchen ceiling?

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Posted by: from Brooklin
1/25/2021 at 1:21:12 PM

Do I need vapour barrier when drywalling a kitchen ceiling?

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Date/Time1/25/2021 at 2:53:54 PM

If it is your attic above and vapor barrier does not exist then yes.

If it is a second floor room above, then no.

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Ghassan from Ed Reno Corp in Edmonton
Date/Time1/26/2021 at 2:46:25 AM

You can forego the plastic and use a vapor retarder (kraft-faced insulation or latex ceiling paint) in all other climates except hot-humid or hot-dry climates. ... All attics vented or unvented should have an air barrier (a properly detailed airtight drywall ceiling, for example) regardless of climate.

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