Fully Insulated Flexible Air Duct Thermal Insulation Ducting Hose 4 6 8 10 12 14 Inch

  • Diameter Options: 4″, 5″, 6″, 8″, 10″, 12″, 14″ (102mm – 356mm ID).
  • Standard Lengths: 25 ft (7.62 m), 16 ft (4.88 m), or built to custom specs.
  • Thermal Isolation: Premium glass wool insulation layer maintains internal air temperature and prevents exterior duct condensation.
  • Triple-Layer Build: Outer aluminum foil jacket + fiberglass insulation sleeve + solid aluminum inner core with high-tensile steel wire helix.
  • Flexibility & Routing: High flexibility allows smooth bending around structural obstacles without collapsing or kinking.
  • Temperature Range: -30°C to +140°C (-22°F to +284°F).
  • Application Fit: Mainline HVAC distribution, commercial indoor grow rooms, high-temperature differential ventilation systems.
  • Supply & OEM: Custom lengths, diameters, insulation densities, and private label packaging.
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Product Overview

The Fully Insulated Flexible Air Duct is engineered for high-efficiency climate control, flexible routing, and thermal protection across HVAC systems and commercial indoor cultivation setups. Constructed with a dense glass wool insulation layer sandwiched between an outer aluminum vapor barrier and a solid inner aluminum core reinforced with a high-tensile steel wire helix, this ducting prevents thermal transfer, stabilizes internal air temperatures, and eliminates surface moisture condensation.

Technical Specifications

SpecificationDetails / Parameter
Product TypeFully Insulated Flexible Air Duct
Inner Diameter (Inches)4″, 5″, 6″, 8″, 10″, 12″, 14″
Inner Diameter (mm)102mm, 127mm, 152mm, 203mm, 254mm, 315mm, 356mm
Standard Lengths25 ft (7.62 m), 16 ft (4.88 m) / Custom lengths built to spec
Inner Core StructureSolid Aluminum Foil Lining with Steel Wire Helix
Insulation LayerHigh-Density Glass Wool / Fiberglass Core
Outer SleeveHeavy-Duty Tear-Resistant Aluminum Foil Vapor Barrier
Operating Temperature-30°C to +140°C (-22°F to +284°F)
Custom ServicesCustom Lengths, Custom Diameters, Insulation Density, OEM Packaging

Key Performance Characteristics

  • Thermal Climate Control: Dense fiberglass insulation core reduces heat loss or heat gain along extended ducting runs, optimizing climate efficiency in grow rooms.
  • Anti-Condensation Barrier: External vapor barrier jacket prevents ambient moisture sweating on duct exteriors caused by temperature differentials.
  • Flexible Bending Capability: Internal spring steel wire coil maintains structural roundness during tight bends without kinking or airflow restriction.
  • Fire-Resistant Construction: Non-combustible fiberglass insulation and heavy-duty aluminum foil layers meet strict indoor safety standards.