Basements improvements
Repairing Damp Basements: Why Encapsulation is the Best Upgrade for Older Foundations
...membrane itself is waterproof, so in reality no additional barrier is needed, but it is very difficult to seal the seams. If you're counting on it as a radon barrier (see more below), then an additional properly sealed radon membrane would be required. Here is a 15-mil radon membrane installation video guide to learn a...