23 sf re-roof for (e) sfd if a re-roof project is proposed, the following specifications apply. Existing roofing material comp shingles proposed roofing material compo shingles manufacturer owens corning brand and model truedefinition duration color (if cool roof required) mountainside crrc 0890-0016 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) note self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.