Roof drain assembly set into roof sheathing with tapered rigid insulation creating a drain sump with a slope less than three inches to one horizontal foot. The roof drain is installed per the manufacturer with a reinforced membrane and continuous sealant around the perimeter. Rigid insulation is installed above the roof sheathing with structural framing detailed per structural drawings.
ROOF SHEATHING, SEE STRUCTURAL FOR DRAINS WITH TAPERED RIGID INSULATION OR EQUAL AT DRAIN SUMP LESS THAN 3 INCHES TO 1 HORIZONTAL FOOT ROOF DRAIN, INSTALL PER MANUFACTURER SEALANT REINFORCED MEMBRANE RIGID INSULATION
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