Attic/Crawl Hatchway(s) Insulated

DefinitionWhen not insulated, a home’s attic hatch or crawlspace hatch creates one of the biggest gaps in the building envelope, increasing heat loss in winter and heat gain in summer, and making indoor living areas uncomfortable. Insulation standards are clearly defined: <a href="http://www.ornl.gov/sci/roofs+walls/insulation/fact">http://www.ornl.gov/sci/roofs+walls/insulation/fact</a>