33 sf. Reroof for exisitng sfd. If a re-roof project is proposed, the following specifications apply. Existing roofing material ashpalt. Slope, tar paper @ flat proposed roofing material torch down membrane @ flat , jmansville, appex 4. 5 manufacturer owens corning brand and model oakride color (if cool roof required) amber 0890-0006, 0662-0042 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.