There are more than 27 million houses across the United States that have crawlspaces. Now, a crawlspace is not a fatal flaw for a home but it is a big-time inconvenience in the same way that air leaks and water leaks are a big-time inconvenience. As a result, homes should invest in inspections and some high-quality commercial roof sealer. There are plenty of homes across the country that have basements for a number of reasons. Some people want a basement to create an entertainment area and some people want a basement for workshop area. Others will create a basement where…