20 sqft re-roof (e) sfd if a re-roof project is proposed, the following specifications apply. Existing roofing material comp shingles proposed roofing material comp shingles manufacturer owens corning brand and model oakridge amber color (if cool roof required) orange 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