Architectural · A-FJYQR

Upper Roof Parapet and Scupper Detail

Materials

Concrete Steel Cold-formed Steel Timber / Wood Metal (misc.)Gypsum / Drywall

Elements

Roofs Floors / Slabs Decks Waterproofing / Flashing Insulation Drainage Site / Paving Roof / Floor Openings

Connections

Welded Connection Deck Attachment

About this detail

This wall and roof intersection features a lightweight concrete topping over metal deck supporting a concrete curb at the upper roof level. The roof assembly is layered with six inches of thick rigid insulation, tapered insulation as sized per plan, half-inch rigid coverboard, and a single-ply roofing membrane sloped at a quarter inch per foot. A twenty-four gauge galvanized sheet metal scupper with a four-inch by four-inch opening discharges into a hopper box connected to a four-inch diameter rainwater leader. The parapet wall above is constructed of six-inch metal studs with batt insulation, five-eighths-inch exterior gypsum sheathing, and an air-water-resistive barrier, capped with a formed metal drip edge and continuous cleat.

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