Architectural · A-6QKCD

RTU Roof Curb and Equipment Mount Detail

Materials

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

Elements

Roofs Decks Waterproofing / Flashing Site / Paving Roof / Floor Openings

About this detail

A prefabricated mechanical roof curb assembly bears on a metal, metal with gypsum, or concrete roof deck lined with a roof air and vapor barrier. A membrane roofing system fully adheres to and laps over the roof curb, integrating with the base flashing at the roof level. Steel C-channels are located under the curb as required for structural support. Fire-retardant-treated wood blocking tops the curb assembly, with a neoprene gasket providing a seal beneath the rooftop unit base rail. A hurricane bracket attaches to the inside top of the roof curb with self-tapping screws and connects to the equipment base rail.

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