Air and vapour barriers
Interior sheathing as an air and vapour or vapor barrier
...as an air barrier and vapour barrier, and eliminating the need to install a separate product to do that job.
One of the benefits of OSB as an air barrier is that it is solid. A polyethylene or foil air barrier can be easily pierced by the slightest touch with a sharp tool, without even realizing it. In contrast, it is ...