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vapor barrier??? M 05-04-2007
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Posted by M on May 4, 2007, 9:19 pm
I have an abundance of tar paper. Can I or should I use it as a vapor
barrier?



Posted by Larry on May 4, 2007, 11:47 pm

>I have an abundance of tar paper. Can I or should I use it as a vapor
>barrier?


Felt/tar paper is not a vapor barrier. Moisture barrier, yes. They are not
the same.



Posted by Dave on May 4, 2007, 11:48 pm
>I have an abundance of tar paper. Can I or should I use it as a vapor
>barrier?
>

Per the definition, no. Must be continuous.
http://en.wikipedia.org/wiki/Vapor_barrier
--
Dave

Apathy and denial are close cousins



Posted by Steve Barker on May 5, 2007, 12:56 am
Worked for a couple hundred years as one though.

--
Steve Barker




>>I have an abundance of tar paper. Can I or should I use it as a vapor
>>barrier?
>>
>
> Per the definition, no. Must be continuous.
> http://en.wikipedia.org/wiki/Vapor_barrier
> --
> Dave
>
> Apathy and denial are close cousins
>



Posted by Dave on May 5, 2007, 8:11 am
See Larry's response...

But, even that may be inappropriate depending on who is interpreting what
the actual purpose is, and the environment of the building involved.

See this conversation:
http://forum.doityourself.com/archive/index.php/t-257993.html

--
Dave

Apathy and denial are close cousins
> Worked for a couple hundred years as one though.
>
> --
> Steve Barker
>
>
>
>
>>>I have an abundance of tar paper. Can I or should I use it as a vapor
>>>barrier?
>>>
>>
>> Per the definition, no. Must be continuous.
>> http://en.wikipedia.org/wiki/Vapor_barrier
>> --
>> Dave
>>
>> Apathy and denial are close cousins
>>
>
>



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