Eagle Panel Systems: Introduction Welcome! EAGLE PANEL SYSTEMS is a pioneer in the field of Structural Insulated Panels (SIPs). Thirty years of experience in the SIP Industry has... for the Conventional Home Building and Commercial Building Industries as well as Log and Timber Frame. Integrated Structural Insulated Panel (ISIP ) Roof Systems carry heavier snow loads and span... cathedral ceilings, structural integrity, energy efficiency and lasting quality. Eagle Panel Systems Structural Insulated Panels (SIPs) are far superior in strength, energy...