This material has been popular in Europe, but it is just showing up in North America. It has a number of desirable and practical properties that makes it attractive for building. Hempcrete is lightweight, durable, a good insulator, and easy to work with. Now, with lumber prices going literally through the roof, it is getting a hard look. Watch the video on the Harmless house to learn more about this material and a very cool house too.
Hemp block construction systems can take the place of expensive lumber in building, as they have been used for 30 years in Europe.