Structural · S-T7QT6

Unfilled Metal Deck Edge Details at Small and Large Overhangs

Materials

Steel Cold-formed Steel Metal (misc.)

Elements

Roofs Decks Arches Bracing

Connections

Bracing Connection Welded Connection Deck Attachment

About this detail

An unfilled metal deck is supported by structural steel framing, configured for both small and large overhang conditions. A roof deck bears on a beam sized per plan, capped with a 1/4-inch continuous bent plate welded with a 3/16-inch fillet weld at 12 inches on center. The small overhang detail restricts the edge of deck to a maximum of 1 foot with a minimum 2-inch bearing. The large overhang detail accommodates an edge of deck up to 1 foot 6 inches maximum, incorporating an L4x3x1/4 angle long leg vertical spaced at 10 feet on center maximum, aligned with opposite beams and located at edges and ends of edge forms. Where the edge of deck exceeds 1 foot 6 inches, a 3/8-inch by 2-inch plate brace is added with a minimum 4-inch length of 1/4-inch fillet weld at each end. Exterior metal studs by others align with the assembly, providing backing to match roofing requirements with a 4-1/2-inch minimum dimension.

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