Builder's Best
  • Home
  • Company
    • About us
    • Contact
  • Resources
    • Catalog
    • Spec Sheets
    • Instruction Sheets
    • Videos
    • Where to Buy
  • Products
    • Duct
      • Semi Rigid Flexible Duct
        • UL® Labeled Duct
        • Non-Labeled Duct
      • Periscopes
      • Wire Helix Hose
        • Foil Duct
        • Vinyl Duct
      • Rigid Round Pipe
    • Elbows
    • Kits
      • Dryer Vent Kits
      • Bathroom Fan Vent Kits
      • Roof Vent Kit
    • Vent Hoods
      • Eave Vents
        • Aluminum Eave Vents
        • Plastic Eave Vents
      • Roof Vents
        • Galvanized Roof Vent
        • Aluminum Roof Vent
        • Plastic Roof Vent
      • Wall Vent Hoods
        • Galvanized Wall Vents
        • Aluminum Wall Vents
        • Plastic Wall Vents
    • Accessories
    • Recessed Dryer Vent Outlet
Home / Products / Duct / Semi Rigid Flexible Duct / UL® Labeled Duct / A300 Thermofin® Insulated Air Duct

A300 Thermofin® Insulated Air Duct

The A300 Thermofin® Insulated Air Duct is a UL® 181 Class 1 used as supply, return or exhaust. It solves the need for an insulated duct with an aluminum core. Our factory crimp ensures smooth connections.

Regional Availability. Call for instructions.

R4, R6 or R8 insulation

A300 R4 spec sheet

A300 R6 spec sheet

A300 R8 spec sheet

Categories: All HVAC, Duct, Semi Rigid Flexible Duct, UL® Labeled Duct Tags: HVAC, made in USA, UL 181
  • Description

• T-Fin® Design allows for better stretching and bending characteristics which helps eliminate flattening on the outside radius of a bend, thus preventing restricted airflow.
• Uncompressed 8′ lengths
• Factory crimp on one end
• Insulated – R4, (R6 & R8 available)
• Outer jacket is silver “metalized” with scrim mylar vapor barrier
• UL® 181 label

111307, 111308, 111309, 111310, 111311, 111312, 111313, 111314, 111315, 011316, 011317, 011318

111320, 111321, 111322, 111323, 111324, 111325, 111326, 111327, 111328, 111329, 011330, 011331, 011332

111661, 111662, 111663, 111664, 111665, 111666, 111667, 111668, 111669, 111670, 011671, 011672, 011673

 

 

 

Related products

  • V220 Flexible Pipe Plain Ends

  • V050 Galvanized Rigid Pipe

  • A100-U Air Duct Uncompressed Thermofin™

Search…

×

Product categories

Builder's Best

Copyright ® 2021 Builder’s Best, Inc.

Company

  • About
  • Contact
  • Social Media Policy
  • Catalog

Support

  • Instruction Sheets
  • Spec Sheets
  • Resources
  • Videos
  • Where to Buy

Legal

  • Website Terms of Use
  • Privacy Policy
  • Builder’s Best Limited Product Warranty
  • Builder’s Best Terms & Conditions of Sale