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Single & Double Wall Ductwork


Factory Welded Dye-Tested Ductwork. Available in Single Wall or Double Wall.

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Our round ductwork is welded and dye-tested at the factory for faster, leak-free installation. No on-site welding required!

Call us to learn how our ductwork can make your next install a hassle-free experience.

Single wall ductwork is ideal for use in kitchen ventilation applications where clearance to combustibles and temperature retention in the duct is not a factor

Single Wall Features & Benefits

  • ETL Listed to UL Standard 1978 - Grease Ducts and CAN/ULC-S662
  • Diameters range from 8" to 24"
  • Duct and accessories are made from stainless steel
  • Multiple accessories including 45 degree elbow, 90 and Tees
  • Access doors available for clean out
  • Transition plates available for duct termination at the curb
  • Submittals and duct CAD files available

Double Wall Ductwork is ideal for use in kitchen ventilation applications where reduced clearance or zero-inch clearance to combustibles is needed

Double Wall Features & Benefits

  • ETL Listed to UL Standard 1978 and UL Standard 2221- Grease Duct Enclosure Assemblies
  • Duct sections are constructed of an inner wall and outer wall with insulation in between - inner duct is Single Wall (DW Series) and outer shell is Stainless steel
  • Inner duct diameters range from 8" to 24"
  • Three models are available to meet clearance requirement needs - Model DW-2R, Model DW-3R and Model DW-3Z
  • Rated for continuous operation at 500 degrees F and intermittent operation at 2000 degrees F

Clearance to combustibles:

VD-DW-2R 8" - 16" ID+4 3/4" 0"
VD-DW-3R 8" - 24" ID+6 3/4" 0"
VD-DW-3Z 8" - 24" ID+6 0" 0"

Single & Double Wall Ductwork

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