Vapor Barrier Framing A Basement Wall Against Concrete

Use good lumber for the studs.
Vapor barrier framing a basement wall against concrete. How to frame a basement 1. This will give you two vapor barriers one before and one after the stud wall framing. 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. In winter the dew point of the interior air is typically about 50 f assuming an air temperature of 70 f and a relative humidity of 50.
This moisture will wick into any lumber that comes into contact with it. The cool concrete of the foundation wall will collect humid air which will condense on its surface. Make sure wall studs don t come into contact with the foundation wall. Sole plates or sill plates are the first pieces of framing lumber placed in home construction.
I have framed my basement walls vapour barrier is installed against the poured concrete basement wall. Here are three different types explained. Most jurisdictions require a 4 mil plastic sheet vapor barrier for basement walls against concrete. Concrete walls may have a purpose but beauty and warmth aren t it.
Before framing the walls of your basement install a moisture barrier to prevent water and moisture from entering the wall cavity. I am about to put in the insulation and my contractor has recommended pink fibreglass batts between the studs leaving an air gap between the pink and the vapour barrier on the concrete. How to frame an inside wall against a concrete wall. Use the right vapor barriers.
The construction of the wall for instance is vital to the use of a vapor barrier. 1 on the interior wall between the heated and unheated portion of the basement i would not use with a vapor barrier. If you have a framed wall that is adjacent to a concrete foundation wall where the vapor barrier is next to the drywall in front of the studs the fiberglass insulation gets wet and becomes a breeding ground for mold. That is if the studs are going to touch the concrete wall.
These plates must be made of pressure. Or you can leave a 4 inch gap between the studs and concrete wall and probably get away with it. The main concerns are condensation and drying potential. Moisture barrier between the sole plate the concrete slab.