46 sqft re-roof for (e) sfd if a re-roof project is proposed, the following specifications apply. Existing roofing material comp shingle proposed roofing material comp shingle manufacturer gaf brand and model timberline hd color (if cool roof required) sandalwood built-up roofing assembly system number per attached listing report (if applicable) n a specific exemption from cool roof requirements (if applicable) n a required building inspector field verification (if applicable) n a