A new update from John B. Carnett, PopSci's staff photographer who is using the latest green technology to build his dream home. Read more Green Dream posts here
It's been a long winter. Once the structure was complete, we started putting on the skin—a mixture of 100-year-old hemlock siding, white cedar shingles and a metal roof. All in all, I'm thrilled with the way it's coming together, and hope to be moving to interior work soon. The only serious snag? See that plastic over the window holes?
One of the most unique things about my green home is the walls: instead of a standard "stick-frame" construction, I'm using special insulated panels from a company called Kama-Eebs, which have all sorts of advantages in efficiency and heat retention.