What is Hempcrete? " Hempcrete is a bio-composite made of the inner woody core of the hemp plant mixed with a lime-based binder. The hemp core or “Shiv” has a high silica content which allows it to bind well with lime." (1) This property is unique to hemp among all natural fibers.” The result is a lightweight cementations insulating material weighing about a seventh or an eighth of the weight of concrete." (1) What Properties does Hempcrete have? Hempcrete is a natural strong and lightweight material with four incredible properties: Hempcrete is Fire Resistant Hempcrete is Water Resistant Hempcrete is Rot Resistant Hempcrete is Hygroscopic Hempcrete naturally regulates humidity and temperature in a building. “ This ability of hempcrete to passively r egulate indoor air quality reduces the need for mechanical ventilation systems, further reducing the energy