FORTIFIED Commercial - American Family Spark Building from IBHS on Vimeo. FORTIFIED Commercial - Roof Keep Wind and Water Out and Roof-Mounted Equipment On This level of roofing is designed to better protect against severe wind and hail. FORTIFIED Commercial - Silver Protect the Envelope and Reduce Business Operations Downtime All FORTIFIED Roof qualities, extra window and door protection, and anchors are connected to maximize the safety of the building. FORTIFIED Commercial - Gold Keep the Building Tied Together and Maintain Business Operations All FORTIFIED Roof and Silver qualities with additional supports. Find all the FORTIFIED Commercial™ Resources here.