High-tech aerogels wrap homes with insulation | Green Tech - CNET News

High-tech aerogels wrap homes with insulation | Green Tech - CNET News: "Aspen Aeorgels says that its Spaceloft blankets have two to four times the insulating value per inch compared to fiberglass or foam. It's also relatively easy to work with, allows water vapor to pass through, and is fire resistant--a common demonstration of aerogels is to have a person fire a Bunsen burner below the aerogel while putting a hand on the top side."