Mechanical · M-96MFR

Diffuser, Grille, or Register Flex

Materials

Metal (misc.)

Elements

Ceilings Floors / Slabs Decks Connections / Plates

Connections

Deck Attachment

About this detail

A ceiling diffuser, grille, or register connects to a flexible duct and sheet metal plenum. The flexible duct has a maximum length of five feet and connects using a drawband with sealant or UL-approved tape. The plenum and diffuser are suspended from the structure above using twelve-gauge wires or twenty-two-gauge straps per SMACNA standards. For lightweight T-bar ceiling applications under twenty pounds, the assembly attaches using Erico Caddy lay-in clips or sheet metal pan head screws on two opposite sides. Assemblies weighing over twenty pounds require direct wire or strap attachment from the diffuser to the deck above.

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