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Old 01-25-2017, 07:52 PM  
Jwinston
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Default Vapor barrier seal

Hello,


I have a question about basement vapor barrier. My home is 2 years old. Basement is pored concrete and the builder has insulated everything. A few days ago I noticed that the plastic membrane is not tightly attached at the floor, maybe the caulking sealant is coming off. I attached 2 pictures. My concern is, does the vapor barrier has to be air tight? is it even possible? or is it normal to have some open areas?

Thank you,


Vapor barrier.jpg  
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Old 01-25-2017, 07:57 PM  
kok328
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should be air tight with taped seams.
if you have enough length, run a bead of silicone on the floor and press the flap into the silicon.


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Old 01-25-2017, 08:05 PM  
nealtw
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Quote:
Originally Posted by Jwinston View Post
Hello,


I have a question about basement vapor barrier. My home is 2 years old. Basement is pored concrete and the builder has insulated everything. A few days ago I noticed that the plastic membrane is not tightly attached at the floor, maybe the caulking sealant is coming off. I attached 2 pictures. My concern is, does the vapor barrier has to be air tight? is it even possible? or is it normal to have some open areas?

Thank you,
You must be in Canada?
Yes it should be completely sealed.
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Old 01-25-2017, 09:08 PM  
Jwinston
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Yes. I live in Canada. What kind of product can I use to seal the plastic at the bases? Is it some kind of caulking? My one year Tarion is not over yet. Maybe this is something the builder can fix.
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Old 01-25-2017, 09:13 PM  
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http://www.lepage.ca/en/lepage-produ...r-sealant.html
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Old 01-26-2017, 10:28 AM  
kok328
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Yes. I live in Canada. What kind of product can I use to seal the plastic at the bases? Is it some kind of caulking? My one year Tarion is not over yet. Maybe this is something the builder can fix.
Silicon or a product called Quad available at big box stores.
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Old 01-26-2017, 12:32 PM  
nealtw
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Silicon or a product called Quad available at big box stores.
The link I gave him is the stuff he has now, that's the normal up here.
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Old 02-17-2017, 12:18 AM  
Jwinston
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Thanks for the replies guys. Much appreciated


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