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An essential component of any ventilation system, connecting air terminals to ductwork, with the addition of an intumescent fire damper to preserve ceiling integrity.
Fire-rated plenums bring more functionality through the use of a 120-minute rated intumescent fire damper, fitted between the spigot and the open side where the grille or diffuser sits.
Supplied with fixing lugs as standard, fire-rated plenum boxes should be supported independently of ductwork and ceilings. Fixing lugs are positioned such that boxes are suitable for ceiling mounting but if your boxes are intended to be wall-mounted please talk to the HVC team first.
HVC plenum boxes are available in a side or top entry variants, and with spigot mounted single blade volume control dampers optional for further functionality.
Fire-rated plenum boxes are available in sizes up to 600mm x 600mm.
Please note fire-rated plenum boxes have no formal certification for fire performance. Fire resistance performance claims stem from the use of a 2 hour-rated intumescent fire damper mounted into the plenum in a manner approved by the fire damper manufacturer.
Features for Fire-Rated Plenum boxes include -
Plenum boxes are manufactured in-house with our industry beating lead times.
Please download the product PDF for detailed information and ordering codes.
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