We have found that when presenting to code officials, it is important to emphasize the essential characteristic of the hempcrete – it is an insulation system with unique hygroscopic qualities. We have successfully permitted projects in seismic zone 2a, as well as in coastal regions with 130 mph wind loads.
Establishing a relationship with the relevant officials early on, and ensuring that their requirements are satisfactorily addressed prior to construction is essential. Their position dictates they be conservative when confronted with something that they are not familiar with. In our experience, we have found that when they are more fully acquainted with the material, they start to embrace it and do what they can to make the permit process run smoothly.