14 sq ft shingles and 12 sq ft flat roof torch down if a re-roof project is proposed, the following specifications apply. Existing roofing material shingles/builtup proposed roofing material same manufacturer owens corning/. Gaf brand and model premimun duration/. Gaf ruberized color (if cool roof required) white built-up roofing assembly system number per attached listing report (if applicable) ckass b system #2 specific exemption from cool roof requirements (if applicable) n/a note self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.

14 sq ft shingles and 12 sq ft flat roof torch down if a re-roof project is proposed, the following specifications apply. Existing roofing material shingles/builtup proposed roofing material same manufacturer owens corning/. Gaf brand and model premimun duration/. Gaf ruberized color (if cool roof required) white built-up roofing assembly system number per attached listing report (if applicable) ckass b system #2 specific exemption from cool roof requirements (if applicable) n/a note self-certification by a licensed contractor is acceptable if a signed letter on company letterhead is provided to the building inspector.