Talk:Vapor barrier: Difference between revisions
m Signing comment by 88.97.62.77 - "→Dudes what is a perm - reinforced: " |
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Current thinking has changed the location of the vapor barrier with respect to slab construction. See buildingscience.com, specifically http://www.buildingscience.com/resources/foundations/Understanding_Foundations.pdf |
Current thinking has changed the location of the vapor barrier with respect to slab construction. See buildingscience.com, specifically http://www.buildingscience.com/resources/foundations/Understanding_Foundations.pdf |
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In the older arrangement, the stone or sand on top of the vapor barrier created an excellent situation for an accumulation of water that won't drain off (it could seep in around the edges in high water conditions, either high water table or heavy rains/drainage, and then never escape). This in turn would gradually wick into the basement and keep it humid. Furthermore, the plastic directly under the slab creates an excellent situation for slab curing, as long as it isn't poured too wet. Read the literature, they say it better than I can. |
In the older arrangement, the stone or sand on top of the vapor barrier created an excellent situation for an accumulation of water that won't drain off (it could seep in around the edges in high water conditions, either high water table or heavy rains/drainage, and then never escape). This in turn would gradually wick into the basement and keep it humid. Furthermore, the plastic directly under the slab creates an excellent situation for slab curing, as long as it isn't poured too wet. Read the literature, they say it better than I can. |
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== WikiProject class rating== |
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This article was automatically assessed because at least one WikiProject had rated the article as start, and the rating on other projects was brought up to start class. [[User:BetacommandBot|BetacommandBot]] 10:05, 10 November 2007 (UTC) |
This article was automatically assessed because at least one WikiProject had rated the article as start, and the rating on other projects was brought up to start class. [[User:BetacommandBot|BetacommandBot]] 10:05, 10 November 2007 (UTC) |
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Latest revision as of 21:07, 6 February 2024
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Current thinking has changed the location of the vapor barrier with respect to slab construction. See buildingscience.com, specifically http://www.buildingscience.com/resources/foundations/Understanding_Foundations.pdf
In the older arrangement, the stone or sand on top of the vapor barrier created an excellent situation for an accumulation of water that won't drain off (it could seep in around the edges in high water conditions, either high water table or heavy rains/drainage, and then never escape). This in turn would gradually wick into the basement and keep it humid. Furthermore, the plastic directly under the slab creates an excellent situation for slab curing, as long as it isn't poured too wet. Read the literature, they say it better than I can.
WikiProject class rating
[edit]This article was automatically assessed because at least one WikiProject had rated the article as start, and the rating on other projects was brought up to start class. BetacommandBot 10:05, 10 November 2007 (UTC)
Dudes what is a perm
[edit]210.203.57.139 (talk) 03:56, 17 February 2008 (UTC)
Yeah? It would be helpful to the majority of the world that live outside the US if the explanation were given in more widespread units like Sd or mu. — Preceding unsigned comment added by 88.97.62.77 (talk) 22:11, 26 May 2017 (UTC)
Clothing
[edit]It would be nice if this could be worked into the article: the vapor barrier concept is also used in outdoor clothing, e.g., http://www.backpackinglight.com/cgi-bin/backpackinglight/process , http://www.verber.com/mark/outdoors/gear/clothing.html#VaporBarrier . 71.112.25.123 (talk) 09:07, 1 October 2009 (UTC)ATBS