Basement framing

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Posted by: from Milton
3/14/2016 at 6:51:39 PM

For the non-exterior wall section (no insulation required), is there a code on how far off the stud plates should be from the concrete wall? If none, what is the recommended space off the wall?

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Matthew from Matt of All Trades in Kitchener
Date/Time3/14/2016 at 9:53:51 PM

I generally keep it to 1".

Sometimes the concrete walls can be fairly wavy so it tells you where it needs to go. if nothing special maybe 2x3 material to save and inch or two?

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Date/Time3/14/2016 at 11:29:55 PM

Hi There,

1" is usually the standard to allow air flow between wall/ insulation and concrete in case there would be any condensation happening. Also as 1 contractor mentioned above the foundation wall can be a bit out of whack so 1 " is on the safe side so that the concrete doesn't make contact to 2x4 bottom / top plates.


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Ted in Milton
Date/Time3/17/2016 at 4:51:05 AM

Thanks for all the replies.

So 1" off the foundation wall then is a general practice but not necessarily part of the building code on framing.

For those fighting for basement space, perhaps a 1/2" distance for air space allowance and a 2 x 3 frame could be another approach.

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