Foundation vents for homes are the first line of defense against moisture. Excess moisture in the crawl space underneath your house can cause rot, mold, and mildew, and can also invite termites to nest and eat away at your floor joists. Foundation vents help to circulate fresh air through the crawl space and exhaust musty, damp air. If you do not have automatic foundation vents, it is important
. you check them regularly to make sure that they open and close correctly, and if you find one that doesn't work, its important that you replace it. To find out more, visit this website, http://www.lowes.com/lowes/lkn?action=howTo&p=Improve/VentHom.html
