16 sf re-roof (hra) for (e) sfd if a re-roof project is proposed, the following specifications apply. Existing roofing material: built up proposed roofing material: built up manufacturer: polyglass icc-esr 2018 brand and model: n a color (if cool roof required): white 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): yes note: self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.