16 sqft re-roof of commercial building (doctors office) -- (bora) if a re-roof project is proposed, the following specifications apply. Existing roofing material built-up proposed roofing material built-up manufacturer gaf brand and model energy cap torch granula 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)