Generally speaking, it's an essential step if you'll be installing laminate ... concrete slabs in a basement or another area ...

The placement of a water vapor retarder directly below concrete floor slabs on the ground has become ... Selecting the right material for a vapor barrier is essential. Shown here is a piece ...

Older slabs were often constructed without moisture barriers, or the moisture barrier has degraded over time. Or maybe a plumbing leak has developed. High moisture levels in the concrete could ...