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Unheated garage - Staples?

870 views 6 replies 5 participants last post by  joecaption 
#1 ·
I'm insulating the two outside walls of my unheated garage w R-13 rolls.

Since the garage does not have heat is it really necessary to staple the paper flanges to the studs??

Thanks!
Dan
 
#3 ·
Why would you not want to staple the bats? It costs next to nothing.

If you don't, they will sag and there will be heat loss near the top of the stud bays, even if the garage space itself is unheated.
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#6 ·
One of the concerns is to prevent any moisture from inside the garage, the moisture vapor from rain and snow melt, from making its way through the fiberglass insulation and reaching the cold sheathing. I've see an inch of ice form over the winter and create a mess in the spring when it melts.

Bud
 
#7 ·
Somethings really wrong if that's happening.
Lack of roof venting, there was never a vapor barrier under the slab, slab was not at least 6" above grade.
Got some pictures of the outside walls?
 
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