6000sf re-roof for existing sfd. If a re-roof project is proposed, the following specifications apply. Existing roofing material concrete proposed roofing material concrete manufacturer eagle brand and model bel air color (if cool roof required) seattle blend built-up roofing assembly system number per attached listing report (if applicable) n a specific exemption from cool roof requirements (if applicable) no 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.