Most crawl spaces are damp and cool by nature since they are underground. This causes cold drafts in the winter and humid are in the summer. This homeowner noticed that the air in the crawl space seemed to be affecting the air in the rest of her home throughout the year. To treat the cold drafts, Quality 1st Basement Systems installed SilverGlo crawl space insulation. To treat the moisture, CleanSpace crawl space vapor barrier was installed.