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GeneDavis

Window depth in upper pony wall is for lower. How to control?

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A walkout basement has its floor 0 walls done as pony walls, 2x6 framing upper half, 8" concrete stemwall lower half, aligned both at main layer out.

 

The window I place in the upper wall has its frame of depth for the stemwall, and of course the trim is positioned such.  How to fix?

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What I get. Maybe post a simple demo plan.

 

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In the pic shown here of the plan view, there is a doubled wall, a 2x4 framed wall with drywall only on inside face, spaced 1/2" from face of the 8" stemwall, and maybe that is causing the problem.

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Do the math and you can see that an 8" stemwall with a 2x4 framing wall, no sheetrock on stemwall side, spaced 1/2" away from the 'crete face, yields a 12" dimension outside stemwall to inside framing wall.  With the wall positioned as I want, with the 1/2" gap, the window won't behave.  Only when I open the gap by another inch, to 1-1/2 away from the stemwall, will the window behave.

 

I wonder if a room divider wall in that space somewhere, maybe 1/4" inside the stemwall, will change things.

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Window Defaults / Casing / Double Wall Options / Not Through

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