Architectural · A-2W7X5

Floor Box Mounting Assembly in Concrete Slab

Materials

Concrete Metal (misc.)

Elements

Floors / Slabs Decks Foundations / Footings Waterproofing / Flashing

Connections

Deck Attachment

About this detail

A floor box is set within a concrete floor assembly over a metal deck, with the top cover flush to the finished floor material such as carpet pile. The FSR Inc model FL-540P-6 floor box is supported underneath by unistrut framing, threaded rods, and concrete inserts. Conduits connect to the underside of the box, with fireproofing applied to the box bottom, perimeter gaps, and conduit penetrations. A concrete patch, flashing compound, or caulk seals the perimeter around the temporary cover during installation.

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