Larry Ralph says:
I predict that crawl space encapsulation (http://www.crawlspacecompany.com/crawlspace-encapsulation/ameribrite-encapsulation/) will become more popular in the green building movement.
CIMA Admin says:
Mr. Ralph's company takes one approach to creating crawl spaces that work. You can learn about other proven crawl space designs at other sites, such as www.advancedenergy.org and www.buildingscience.com.