1 on the interior wall between the heated and unheated portion of the basement i would not use with a vapor barrier.
Vapor barrier framing a basement wall against concrete.
Concrete walls may have a purpose but beauty and warmth aren t it.
The main concerns are condensation and drying potential.
Most jurisdictions require a 4 mil plastic sheet vapor barrier for basement walls against concrete.
Sole plates or sill plates are the first pieces of framing lumber placed in home construction.
Here are three different types explained.
Or you can leave a 4 inch gap between the studs and concrete wall and probably get away with it.
How to frame an inside wall against a concrete wall.
You also don t want the wall studs to come into contact with the foundation wall.
Before framing the walls of your basement install a moisture barrier to prevent water and moisture from entering the wall cavity.
These plates must be made of pressure.
That is if the studs are going to touch the concrete wall.
So make sure the framed wall has a gap between it and the foundation wall.
Very hot and humid climates may benefit from an exterior vapor barrier that keeps outside humidity from penetrating into walls.
A vapor barrier against the concrete surface is generally recommended before wood framing or flooring materials are installed.
Also be sure to use treated lumber for the bottom plate on the wall framing.
This moisture will wick into any lumber that comes into contact with it.
The other option is to set the 2 4 wall framing in 4 from the masonry or concrete basement walls and use just the vapor barrier on the insulation facing toward the living space.
Below grade walls and floor slabs transmit ground moisture through concrete walls or slabs.
Masonry walls like concrete tend to be damp dreary and unpleasant.