32 sf hra re-roof for existing 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 brand and model: thru definition duration color (if cool roof required): ---- built-up roofing assembly system number per attached listing report (if applicable): ----- specific exemption from cool roof requirements (if applicable): no duct in attic 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.