313 Bar

Remove roofing around drain and repair bad decking and structure.

Remove unused roof penetrations and patch in decking.

Install one layer of recovery board underlayment to provide a smooth surface to accept the new membrane.

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.