1900sf reroof for existing sfd. If a re-roof project is proposed, the following specifications apply. Existing roofing material asphalt shingles proposed roofing material asphalt shingles manufacturer owners corning brand and model tru-definition color (if cool roof required) amber built-up roofing assembly system number per attached listing report (if applicable) specific exemption from cool roof requirements (if applicable) old roofing removed 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.