An architectural plan detail showing a 9 inch by 16 inch rough opening in a concrete tilt-up wall panel fitted with a 22 gauge galvanized iron scupper painted to match the building. The scupper box extends outward with a 24 inch overall width, flanked by approved sealant at the wall interface. A 4 inch perlite cant strip is detailed alongside a mineral surface cap sheet with roofing returned into the opening on all sides and hot mopped. Primed 24 gauge galvanized iron scupper flashing is set in roof cement over the field plies and stripping plies, secured over nailed flanges at 4 inches on center.
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