7500sf re roof for one building at winter gardens terrace 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 oakridge color (if cool roof required) n/a built-up roofing assembly system number per attached listing report (if applicable) specific exemption from cool roof requirements (if applicable) no ducts in attic required building inspector field verification (if applicable) yes, 7500sf re-roof on multi family residential. Note self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.