40 sf reroof if a re-roof project is proposed, the following specifications apply. Existing roofing material: comp shingles proposed roofing material: comp shingles manufacturer: owens corning brand and model: duration preminum - cool shingles harbor fog 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): -- 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.