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 barrier reduces the movement of water vapor by diffusion. Holes in the vapor barrier that allow humid air through may allow a lot...
Yes, poly sheeting is often used as a vapor barrier in construction to prevent the passage of moisture through walls, ceilings, and floors. It is essential to use sheeting of an appropriate thickness and to install it correctly to ensure effectiveness. ...
The application of starch films, such as food packaging materials, has been restricted due to poor mechanical and barrier properties. However, the addition of a reinforcing agent, cellulose nanofibers (CNF) and also thymol, into the films, may improve th