In general, the work consists of: This project involves the removal and disposal of the existing perimeter edge sheet metal flashing; removal of and salvage for re-use the existing wall sheet metal counterflashing; removal and disposal of the ballasted EPDM single-ply roofing system, including the existing stone ballast and field and base flashing membrane; removal of and salvage for re-use the existing rigid insulation; installation of a new layer of rigid insulation atop decking and subsequent installation of salvaged rigid insulation; installation of a new stone-ballasted EPDM membrane roofing system; installation of new edge sheet metal flashing; installation of salvaged wall sheet metal counterflashing; and the repair/replacement as necessary of any roof drain strainers, flashing, pipe boots, and other roof penetrations as needed to ensure the integrity of the roofing system. A separate region of roofing system repair includes the repair of adjoining masonry.
