Building codes may require different details for termite control in your region.
Block wall vapor barrier.
Cap the interior of the foundation wall with a 6 mil layer of plastic and galvanized flashing both to block moisture and to serve as a termite barrier.
Not to be confused with a vapor barrier which is placed on the warm side of the wall just in front of the insulation and behind the drywall a moisture barrier goes against the basement wall.
A vapor barrier s job is to keep water vapor in humid air from diffusing through one side of a wall and finding a cool surface inside the wall.
By nature vapor travels from areas of higher concentrations to lower.
Required tools for this polyethylene vapor barrier project.
Not every wall does.
How to glue a vapor barrier to a cement block wall.
Use special sealing tape to join sheets if polyethylene sheets are being used.
There is no sure solution for termites.
A vapor retarder is a material used to prevent water vapor from diffusing into the wall ceiling or floor during the cold winter.
Since warmer air has more moisture vapor will move to.
Seal all wall cracks and holes in the wall being vapor proofed to block air gaps.
Whether or not you need a vapor retarder hinges on three main factors.