RAY-CORE polyurethane Wall Panels and Roof Panels (SIPs) become a fortress that is proven to resist the elements, reduce utility costs, and improve the living environment by taking three labor tasks that are traditionally performed at the construction site and combine them into one. Ray-Core energy efficient foam core insulation offers a R-value of up to R-52. These insulated panels are used for Roofs, Walls, and Floors. Due to the nature of Log Homes and Timberframe homes high R-values are both costly and difficult to achieve. Ray-Core’s experience combined with technology helps to save you money. We are currently now serving Idaho, Wyoming, Utah, Montana, Colorado, Arizona, California and other parts of the United States.