26 sf re-roof () for (e) sfd if a re-roof project is proposed, the following specifications apply. Existing roofing material comp shingles proposed roofing material comp shingles manufacturer gaf brand and model timberline color (if cool roof required) hickory built-up roofing assembly system number per attached listing report (if applicable) n a specific exemption from cool roof requirements (if applicable) no ducts in attic required building inspector field verification (if applicable) " " "