Insulating Garage to Porch

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  #1  
Old 07-16-05, 08:28 PM
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Question Insulating Garage to Porch

I'm going to insulate all around the garage this fall. I know the vapor barrier goes to the side being heated, but what am I to do with the wall between the garage and porch? I'm wanting to keep the garage warm this winter, but at the same time the porch is inside and will be heated too. Do I turn the vapor barrier to face the porch, or do I just go all around the garage keeping the paper facing out towards me?
 
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Old 07-21-05, 10:00 PM
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The questions only get more difficult from here on in.
 
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Old 07-22-05, 09:31 AM
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Insulating Garage to Porch

I think I would not add a vapor barrier on the garage side of the common wall. There is little to be gained and the common wall would the act like a normal exterior wall when the garage is not heated.

Two vapor barriers on a wall are guaranteeing that moisture will be trapped if they are actually vapor barriers.

Dick
 
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