If you're thinking about building a home with high insulation value, you don't need to think high-tech. With enough land, you can grow your own walls over a growing season.
Straw bale construction provides some real benefits in energy saving and soundproofing, with walls 18 inches thick. Jim Reiland builds straw bale homes through his business, Many Hands Builders.
He is also the managing editor for a new book, Straw Bale Building Details: An illustrated Guide for Design and Construction.
Jim Reiland visits the studio with details of the construction process.