20 sf reroof for (e) sfd. If a re-roof project is proposed, the following specifications apply. Existing roofing material: asphalt shingles proposed roofing material: asphalt shingles manufacturer: owens corning - esr-1372 brand and model: duration premium cool color (if cool roof required): frosted oak - crrc#0890-0005 built-up roofing assembly system number per attached listing report (if applicable): specific exemption from cool roof requirements (if applicable): 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.