Required tools for this polyethylene vapor barrier project.
Block wall vapor barrier.
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.
By nature vapor travels from areas of higher concentrations to lower.
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.
There is no sure solution for termites.
Complete air blockage is essential to provide a satisfactory moisture barrier and will also maximize the wall s energy efficiency.
When a vapor barrier is on the side of a wall where the dry air is i e outside in winter or inside in summer moisture problems can occur.
A vapor retarder is a material used to prevent water vapor from diffusing into the wall ceiling or floor during the cold winter.
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.
How to glue a vapor barrier to a cement block wall.
Not every wall does.
Building codes may require different details for termite control in your region.
After the insulation is in place you will want to add a vapor retarder sometimes called a vapor barrier if you need one.