An overflow roof drain assembly penetrates through roof insulation and a steel deck, supported by an underdeck clamp and receiver pan. Roofing material integrates directly into the drain at the clamping ring. A sixteen gauge galvanized sheet metal hood is secured to the top of the strainer, extending two inches beyond the outside of the drain bowl with all sharp edges smoothed to minimize rust staining at the discharge point.
ROOFING THIS POINT INTO DRAIN AT ROOFING CLAMPS PIECE EXTENSION ROOF DRAIN RECEIVER PAN UNDERDECK CLAMP STEEL DECK INSULATION OVERFLOW DRAIN DISCHARGE. TO MINIMIZE RUST STAINING AT ALL SHARP EDGES. HOOD IS INTENDED BEYOND OUTSIDE OF DRAIN BOWL. SMOOTH TOP OF STRAINER. EDGES TO EXTEND 2" 16 GAUGE GALV. S.M. PLATE, SECURED TO ROOFING THIS POINT INTO DRAIN AT ROOFING CLAMPS PIECE EXTENSION ROOF DRAIN RECEIVER PAN UNDERDECK CLAMP STEEL DECK INSULATION OVERFLOW DRAIN DISCHARGE. TO MINIMIZE RUST STAINING AT ALL SHARP EDGES. HOOD IS INTENDED BEYOND OUTSIDE OF DRAIN BOWL. SMOOTH TOP OF STRAINER. EDGES TO EXTEND 2" 16 GAUGE GALV. S.M. PLATE, SECURED TO
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