90 sf re-roof () if a re-roof project is proposed, the following specifications apply. Existing roofing material wood shade proposed roofing material concrete tile (light weight) manufacturer boral brand and model silver wood color (if cool roof required) tan built-up roofing assembly system number per attached listing report (if applicable) n/a specific exemption from cool roof requirements (if applicable) n/a required building inspector field verification (if applicable) n/a note self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.