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Old 01-30-2010, 01:54 AM   #16
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Proper way to frame in a concrete wall?


any ideas of how i could tie in the new wall to the existing wall

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Old 01-30-2010, 09:16 AM   #17
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Proper way to frame in a concrete wall?


I'd build the 2x4 wall 2" higher then the ledge
Put down 2" foam, then 3/4" plywood on top of the rigid going across the top of the new 2x4 wall

I'd maybe also consider 1" foam & put R13 in the 2x4 wall
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Old 01-30-2010, 12:33 PM   #18
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Proper way to frame in a concrete wall?


Unfortunately this is my laundry so no flat screen TV.... I guess i'm still not seeing what is going to keep my new wall from being flimsy? Even with plywood covering the ledge how would that get fastened to the existing wall? What will keep my new wall from being flimsy?

Now for another question, one of the walls in my laundry faces the carport. It is also half concrete, does it also require 2" foam? What is the procedure for insulating a concrete wall above ground?
Thanks again..
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Old 01-30-2010, 12:45 PM   #19
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Proper way to frame in a concrete wall?


Well to tie it in better you build a 2x4 frame on top of the rigid on the shelf
That would tie it into both walls, do away with the plywood & use 1x12 to make a shelf
If a laundry area I would build shelving on top of the shelf for laundry items
My wife has a 4' x 4' shelving unit filled with cleaning products

I used cement anchors to secure my 1/2 wall to the concrete
A blocking stud turned sideways between studs, then a hole drilled inot the cement
Walls never moved
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Old 03-03-2011, 12:35 PM   #20
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Proper way to frame in a concrete wall?


Bob, I see you advising a vapor barrier and others being vocal about no vapor barrier. I realize that I am not in Canada, but in Maryland and wondered whether it depends on climate or what.

Everything I read on building science implies no vapor barrier. I am finishing a townhouse basement that has blanket insulation attached to 2 of the walls (others are walkout wall and interior). I was planning on taking down the blanket insulation, putting 1 1/2 - 2" xps foam up, moving the already roughed in wall back to the foam (with a 1/2" space is the message I've gotten on these forums) and then using unfaced fiberglass between the studs). Is that right?

Thanks.
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Old 03-09-2011, 12:47 PM   #21
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Proper way to frame in a concrete wall?


I have the same question. can explain how you ended up doing this? how did you fill the gap with framing?

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