Duct Board Top Supply Box/Boot

Duct Board Top Supply Box/Boot


Metal Zinc’s Duct Board Top Supply Boxes offer the ultimate in flexibility, offering multiple box and collar sizes to fit all supply grills and duct sizes.


  • R6 insulation
  • Flange fits regular supply grills and multi-shutter dampers
  • “Tested Tight” for minimum leakage
  • Multiple sizes available

Standard Construction

  • Easy cutting of duct board allows any size collar needed
  • 30-gauge galvanized steel ASTM A653
  • 3 ½” depth

Optional Construction

  • 26-gauge
  • Un-insulated box
  • Optional dimensions and depths
  • R4 and R8 Insulation
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Product specifications

Metal Zinc Part Number Size Gauge Bundle Quantity Pallet Quantity
DBBX66-R66 x 6305500
DBBX84-R68 x 4305480
DBBX86-R68 x 6305400
DBBX88-R68 x 8305320
DBBX106-R610 x 6305350
DBBX108-R610 x 8305280
DBBX1010-R610 x 10305210
DBBX126-R612 x 6305300
DBBX128-R612 x 8305240
DBBX1212-R612 x 12305180
DBBX146-R614 x 6305250
DBBX148-R614 x 8305200
DBBX1414-R614 x 14305180
DBBX166-R616 x 6305200
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Related products

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