A dirt floor in a basement or crawl space can be a major source of moisture problems. Lingering excess moisture can cause unpleasant odors, affect indoor air quality, and put the space at risk of ...

Crawl Space Insulation When it comes to protecting your pipes from freezing, the first line of defense is insulating the entire crawl space and installing a vapor barrier.

Both processes include sealing all vents and installing a waterproof vapor barrier ... free space. If your budget is tight, you don't have a serious moisture problem, and your main hope from the ...

If you are constantly dealing with mold, moisture and musty smells in your home, be it in the bedroom, basement, or crawl spaces, you could benefit from a vapor barrier, professional contractors say.

Either way, the vapor barrier typically faces whichever side of the structure is warmer. Any crawl space beneath the ground floor is another prime spot for heat transfer.

A good vapor barrier will be installed over the crawl floor and, if budget allows, a concrete floor will be placed in the space. Generally the minimum vapor barrier suggested is 6ml plastic, but ...

Vapor Barriers vs. Air Barriers. Vapor barriers, also referred to as vapor retarders, are used to control water vapor, a gas, from entering the thermal cavity. Its ability to do so is measured in perm ...

A vapor barrier slows the rate of ground moisture seepage into a crawl space. It generally contains 10-20 millimeter thick plastic sheeting that you overlap at least 12 inches across the floor and ...

Washington’s code also requires a 6-mil vapor barrier for ground covering. There is an exception, where the NFVA ratio can be reduced to 1/1500 if an approved Class 1 Vapor retarder is used instead.