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Old 03-21-2015, 03:14 AM   #1
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Redoing old basement with strange framing


Hi I recently bought an older house approx 40 yrs. The basement is cold and the bedrooms covered in ugly panel board. My plan was to rip out the panelling re-insulate using roxoul and new poly then cover with gyproc. When I pulled of the panel board I found that the walls are framed with the 2x4's laid flat against the cement ie 4inch side to cement. The insulation is paper backed nailed on r7 fiber glass. I really don't want to reframe all the walls but don't know what other insulation option I have with such a narrow space to fill. Any suggestions? Thanks
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Old 03-21-2015, 07:16 AM   #2
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You can rip up some 7/16" OSB and fir that mess out then custom cut and fit some 2" closed cell foam board. If you like you can then cover the studs with 3/4" closed cell and get your total R factor close to 13. That is an expensive insulation job.

You could also fir out the walls by 2" and use regular R-13.

How you proceed depends in part on how well secured those studs are and how dry the basement really is.

In a home I planned to stay in and with a roomy basement, I might just build a new wall in front of what is there and use 6" fiberglass.
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Old 03-21-2015, 09:18 AM   #3
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I'd agree on ripping out what there now and reframing.
May be able to reuse some of the old 2 X 4's.
To meet code in an occupied room there should have been outlets every 6', in a basement around here it must be a 20 amp. GFI protected.
Put 2" foam right against the concrete.
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Old 03-21-2015, 11:47 AM   #4
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Thanks for the ideas. I am going to price out both options . Would not thought of the firing out. I have already changed my plugs to tamper proof which is the code where I live. Thanks again
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Old 03-21-2015, 04:20 PM   #5
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Furring will do nothing to address the real issues.
Untreated wood can not be in direct contact with concrete.
Batts can not be in contact with the foundation.
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