46 sqft re-roof if a re-roof project is proposed, the following specifications apply. Existing roofing material concrete tile proposed roofing material clay tile manufacturer boral brand and model mission color (if cool roof required) red 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) yes note self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.