The History of SIPs 

SIPs are not new to construction and design. Throughout the 1930s and 1940s, architect Frank Lloyd Wright utilized structural insulate panels in some of his Usonian houses.

In 1935, engineers at Forest Products Laboratory in Wisconsin theorized that plywood and hardboard sheathing could take a portion of the structural load in wall applications. They constructed SIP prototypes with sheathing and insulating members. Homes built with these panels were monitored and tested over the next thirty years before being disassembled and examined.

In 1952, one of Frank Lloyd Wright's students, son of the founder of Dow Chemical Company, created the first foam core SIP. By the 1960s, rigid foam insulating products became readily available, which resulted in SIPs as we know them today.

Computer technological advances have allowed for more accurate and efficient manufacturing. Increased testing has set apart several panel manufacturers that provide high structural values for their panels, making them easier for design professionals to use, Premier Building Systems being the best and leading manufacturer in the Western US.