Ray Kaderli is a pioneer Hempcrete builder in the U.S. and is founder of the Hemp Build Network.    While using hemp in construction projects makes sense financially and environmentally, there are no existing U.S. hemp building codes so building with hemp is quite complex.  The Hemp Build Network provides the 5 key steps to building with hemp in the U.S.:
1. Builder
2. Architect
3. Engineer
4. Subcontractor
5. Supplier