Crockett uses R-Control Structural Insulated Panels (SIPs) that are FrameGuard® Coated for Safe and Effective Protection. Make sure that your building plans include built-in protection against mold, mildew, termites and fungal decay. FrameGuard® Coated SIPs are protected with organic fungicides and a borate compound tested to be effective. The organic compounds remain close to the …