46 sf re-roof for office building 9923-9929 channel rd if a re-roof project is proposed, the following specifications apply. Existing roofing material gravel proposed roofing material comp shingles manufacturer owens corning brand and model tru-definition color (if cool roof required) oyster shell crrc#0890-0012 built-up roofing assembly system number per attached listing report (if applicable) na specific exemption from cool roof requirements (if applicable) cool roof required building inspector field verification (if applicable) na note self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.