Architectural · A-ECMVX

Mechanical Equipment Curb and Roof Transition Detail

Materials

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

Elements

Columns Beams Roofs Decks Waterproofing / Flashing Site / Paving Connections / Plates Roof / Floor Openings

About this detail

A roof curb assembly for mechanical equipment is mounted on a steel post and beam frame with metal stud infill and a five-eighths-inch glass mat gypsum wallboard exterior. The curb sits atop a metal roof deck and structural support framing. A fully adhered single-ply roof membrane extends over the entire curb and down the inside face, secured with bonding adhesive, seam plates, fasteners, and a three-inch minimum wide seam tape at the base. A twenty-four gauge prefinished metal drip edge with a fluoropolymer finish caps the top outside edge. One-inch non-curing sealant is set level beneath the mechanical equipment.

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