Architectural · A-GPMGY

Roof Hatch and Metal Fascia Canopy Detail

Materials

Concrete Steel Timber / Wood Metal (misc.)

Elements

Walls Stairs Roofs Canopies Ceilings Floors / Slabs Decks Bracing Waterproofing / Flashing Site / Paving Anchors / Embeds Connections / Plates Roof / Floor Openings

Connections

Bracing Connection Bolted Connection

About this detail

A roof hatch with clasps and padlocks provides a code-compliant access opening of sixteen square feet minimum, framed with three-by-three-by-one-quarter-inch angles between structural framing. Two-and-one-half-inch-by-three-eighths-inch flat bar stringers are spaced twenty-two inches apart with three-eighths-inch bent plate anchors spaced at two feet six inches on center maximum, anchored to the wall and braced at the floor and top of wall and roof. Clip angles secure the stringers to the roof, wall, and floor, utilizing solid blocking in the wall as required spaced at eight feet zero inches on center maximum and secured with three-quarter-inch lag bolts, while stringers are bolted to the floor using three-eighths-inch bent plate brackets. The curb features an integral cap flashing and base flashing system with roofing per specifications, and a deck closure angle runs all around the opening. At the exterior concrete wall, eight-inch steel studs are anchored to the concrete and surfaced with dens deck or an approved equal substrate beneath twenty-gauge metal fascia by Pac-Clad in midnight bronze, complete with metal fascia flashing systems and caulked joints.

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