A building system includes structural insulated panels having an inner insulating core such as of foam plastic or agri-board and strong thin facings such as of plastic impregnated/reinforced paper on opposed surfaces of the insulating core. The impregnated/reinforced paper provides the panel with high...http://www.google.fr/patents/US6698157?utm_source=gb-gplus-shareBrevet US6698157 - Structural insulated panel building system
