Architectural · A-GAY74

Through Wall Scupper

Materials

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

Elements

Columns Beams Walls Roofs Floors / Slabs Decks Waterproofing / Flashing Insulation Drainage Roof / Floor Openings

Connections

Welded Connection

About this detail

A through wall scupper assembly penetrates an exterior wall above a structural steel beam and metal deck roof. The roof build-up includes a structural deck, vapor barrier, two inches of roof insulation providing R-10, gypsum cover board, and roof membrane adhered with a heat weld. A clad metal scupper penetrates the wall with a sixteen gauge steel upturn and counter flashing sealed with butyl sealant tape and FTR 101 sealant. Mineral fiber batt insulation fills the wall cavity alongside wood blocking secured with ring shank nails at three inches on center staggered. Drainage is supported by tapered insulation sloping away from the wall to prevent obstructions, paired with a prefinished metal conductor head and downspout.

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