Re-roofing on existing sfd if a re-roof project is proposed, the following specifications apply. Existing roofing material comp proposed roofing material comp manufacturer owns corning brand and model durotaon primuim color (if cool roof required) tan built-up roofing assembly system number per attached listing report (if applicable) esr-1372 specific exemption from cool roof requirements (if applicable) n/a required building inspector field verification (if applicable) crrc#0890-0005 note self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.