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    Industry: Department Store
    Location: Sault Ste Marie, MI
    Sq Ft: 16,000
    Type: Tear-Off and Recovery
    System: Duro-Tuff 60 mil

    Extend back edge of roof to provide an additional 4.5” overhang.

    Install 3” taper cut flute and fill insulation in flutes of existing metal roofing.

    Install one layer 1 ½” ISO insulation.

    Mechanically fasten the Duro-Last single-ply membrane in accordance with Duro-Last requirements.

    Flash all parapet and adjacent building walls in accordance with Duro-Last fastening requirements.

    At all perimeter edges bring the membrane over the edge fastening 6” O.C.

    Install new Duro-Last metal edging on all perimeter edges.

    Flash all curbed units, stacks, chimneys, roof drains, and other penetrations.