Architectural · A-X2VRG

Roof Crown Gutter and Curtain Wall Parapet Detail

Materials

Elements

Walls Curtain Walls Roofs Parapets Decks Waterproofing / Flashing Insulation Drainage Millwork / Casework Anchors / Embeds Connections / Plates

About this detail

A roof crown gutter and curtain wall interface occurs at a parapet, featuring a standing seam metal roof over rigid insulation, cover board, and self-adhered vapor barrier. The metal roof drains into a sheet metal gutter supported on a substrate, framed by structural steel and structural supports with bent plate attachments. At the parapet, a painted aluminum coping sits over high-temperature flexible flashing, continuous flushing support by the curtain wall manufacturer, and an extruded silicone transition sheet. The painted aluminum curtain wall mullion and panels tie into the structural framing using curtain wall anchors, thermal break shims, and a four-inch thermal break. Additional elements include a light fixture beyond with a junction box, conduit and cable, and membrane flashing around pipe penetrations.

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