<http://schema.org/description>
"Keeping extreme cold or heat outside is the main purpose of a house, so insulation is a key consideration when planning home construction. Building using structural insulated panels (SIPs) is a hot trend, enjoying a comeback in popularity."^^<http://www.w3.org/2001/XMLSchema#string>
<http://home.howstuffworks.com/home-improvement/construction/materials/structural-insulated-panels-quiz11.htm>