35 sq ft reroof if a re-roof project is proposed, the following specifications apply. Existing roofing material wood shake proposed roofing material cedar lite (light wt. Conc. Tile) manufacturer boral brand and model cedar lite esr-1647 color (if cool roof required) n a built-up roofing assembly system number per attached listing report (if applicable) n a specific exemption from cool roof requirements (if applicable) 2 12 in zone 7 required building inspector field verification (if applicable) note self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.