The original 2×4 that rested on the floor was removed in one piece with approx. 7" of the vertical studs attached to it. The sides of the studs rest against a concrete block wall. The removal was done to allow access to the cold joint for the application of a waterproofing material whose surface is varied and uneven. Now I'd like to install a new 2×4, hopefully with closely matching 7" studs attached to it to be sistered in, since all the original studs were partly rotted from flooding. I can't drill down into the concrete floor because it would disturb the waterproofing, but need something to serve as "shims." I'm concerned about using construction adhesive of some kind since I think I need more time to do the fitting even if I check everything first.
How to level a 2×4 on a concrete basement floor with an irregular surface
studs
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Best Answer
If I'm interpreting correctly, your framing isn't so much structural as a place to hang drywall/ whatever. If this is the case, then a bunch of construction adhesive will do fine. If you can, add an "L" bracket or two to the wall to tie it all together.
Pressure treated wood is probably what your AHJ would call for in this setting.