Crawl space conditioning can be overlooked during home construction. Crawl spaces in new homes are commonly finished with basic insulation. Properly encapsulating your crawl space can have a big effect on the energy efficiency and air quality of your home.
Crawl spaces are susceptible to dampness partly due to the moisture from the soil seeping into the crawl space. Moisture can attract unwanted pests and the contaminated air can flow up into your living spaces. The best solution is crawl space encapsulation which is a two-step process that combines proper insulation and air sealing. First a vapor barrier is installed, then spray foam is added along the crawl space walls to add R-value and seal any air leaks. Crawl space encapsulation results in a healthier indoor living space, lower energy consumption and a dry storage area.
If you notice that your floors are cold during winter months, your crawl space may need more insulation. Or if your home was built before 1990 there may be no insulation at all.