Crawl Space Vapor Barrier A vapor barrier is a unique membrane available for basements and crawl spaces, costing between$0.50 and $0.70per sq.ft. installed. This material is a durable plastic or composite membrane that lines the walls of the basement or crawl space to prevent moisture from pe...
installed concrete slab foundation with a vapor barrier. This project’s low cost is $5,145 for a 600 sq.ft. slab installed. The high cost is $21,747 for a 1,050 sq.ft. installed stem wall foundation with a vapor barrier. Concrete Foundation Cost Cost to Build a Concrete Foundation ...
Crawl spaces average about $6 to $18 per square foot. However, insulation will add another $1-3 per square foot, but a vapor barrier is much cheaper at less than a dollar. You could install a dehumidifier cheaper, but you will pay for the electricity to run it. Piers and Beams Pier...
In most instances, you need to use a vapor barrier over the studs before installing the insulation. This keeps the humidity levels in check and prevents things like mold. If you opt for closed-cell foam insulation, a vapor barrier is not necessary. Regardless of which type of insulation you...