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Thread: Vapor Barrier
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02-06-2014, 07:13 AM #1
Vapor Barrier
Have a buddy who is building a home in country and very rustic. He is using old barn wood AMD used corrugatetal on interior walls. He is asking me if a vapor barrier is required. He has installed unfaced 6 inch insulation and has it nicely house wrapped. At first I thought yes because of the air and vapor that can pass through the openings in the rustic materials but then I started to think that it shouldn't get trapped in the wall cavity either. Thoughts?
E.D.S
Home Inspections
Lic.#450.010534
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02-06-2014, 07:51 AM #2
Re: Vapor Barrier
Lots of info about vapor barriers, and vapor transmission through buildings.
Q&A: Is a Vapor Barrier Necessary? - JLC Online
BSD-106: Understanding Vapor Barriers ? Building Science Information
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02-06-2014, 10:35 PM #3
Re: Vapor Barrier
In my climate, always always a vapour barrier behind the interior wallboard.
The housewrap is designed to breathe just enogh to let any stray moisture out.
John Kogel, RHI, BC HI Lic #47455
www.allsafehome.ca
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