26 sf re-roof for (e) sfd if a re-roof project is proposed, the following specifications apply. Existing roofing material asphalt shingle proposed roofing material asphalt shingle manufacturer owens corning brand and model oakridge color (if cool roof required) sand castle 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) old roofing, shingles and torch-down, to be removed. Torch down system #5 per icc esr 2018 note self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.