There is no sure solution for termites.
Block wall vapor barrier.
Complete air blockage is essential to provide a satisfactory moisture barrier and will also maximize the wall s energy efficiency.
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.
By nature vapor travels from areas of higher concentrations to lower.
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.
Use special sealing tape to join sheets if polyethylene sheets are being used.
Since warmer air has more moisture vapor will move to.
After the insulation is in place you will want to add a vapor retarder sometimes called a vapor barrier if you need one.
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.
Required tools for this polyethylene vapor barrier project.
Building codes may require different details for termite control in your region.
Not every wall does.
How to glue a vapor barrier to a cement block wall.
Whether or not you need a vapor retarder hinges on three main factors.