30sf reroof for existing sfd. If a re-roof project is proposed, the following specifications apply. Existing roofing material asphalt shingles proposed roofing material asphalt shingles manufacturer malarkey brand and model highlander rustic slate color (if cool roof required) na built-up roofing assembly system number per attached listing report (if applicable) na specific exemption from cool roof requirements (if applicable) yes install new radiant barrier 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.