To prevent cracks, and head off mold and rot in finished basements, a sturdy vapor barrier is still the most important detail.
Creating the “perfect” slab has always been a challenge for homebuilders. Even when built to code, slabs sometimes crack and fail. What went wrong? Often, sloppy installation is the issue. Seams in the underlayment are not sealed and overlapped properly, or workers punch holes in the plastic--or it simply doesn’t extend fully underneath the slab and vertically up the edge of the buried part of the slab perimeter.Read More