Sealing and insulating the basement walls helps to reduce humidity and ... Some installations also require a vapor barrier: “If you’re working with rigid foam or closed-cell spray foam ...

But it isn’t just helpful when insulating a basement ... a vapor barrier can prevent these headaches by maintaining a consistent moisture level under the house or within the walls.

Sump pumps actively remove water that collects below the basement floor, while perimeter drains capture water at the footing level. Vapor barriers applied to interior walls and floors prevent ...