Re-roof on existing sfd. If a re-roof project is proposed, the following specifications apply. Existing roofing material: ashpalt shingles proposed roofing material: ashpalt shingles manufacturer: owens corning brand and model: tru definition duration color (if cool roof required): shast white, crrc prodcut # 0890-0008 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): yes. Complete re-roof (hero program) note: self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.