6” Insulated Flex Duct – R6
$59.51

Upgrade your residential or light commercial air distribution system with our high-efficiency 6″ insulated flex duct R6. Engineered for maximum thermal retention and reliable airflow, this flexible HVAC ducting features a reinforced inner core, thick thermal fiberglass insulation, and a heavy-duty vapor barrier to prevent energy loss and condensation in challenging installation environments.
- Thermal Efficiency: Insulated with high-quality R6 fiberglass to significantly reduce heat loss and thermal transfer in unconditioned spaces like attics and crawlspaces.
- Durable Construction: Built with a reinforced flexible inner core that resists kinking and crushing, ensuring consistent airflow and system pressure.
- Moisture Protection: Features a resilient heavy-duty outer vapor barrier jacket that effectively prevents condensation buildup and protects against environmental damage.
- Flexible Installation: Designed for easy routing through tight ceiling cavities and complex framing, speeding up installation times for professional contractors.
High-Efficiency 6″ insulated flex duct R6 for Advanced HVAC Systems
Designing and installing an effective air distribution network is one of the most critical aspects of any heating, ventilation, and air conditioning project. Using the right materials dictates the system’s overall energy consumption, indoor air quality, and mechanical longevity. Our premium 6″ insulated flex duct R6 is specifically manufactured to meet the rigorous demands of both residential and light commercial HVAC applications. By providing a secure, highly insulated pathway for conditioned air, this ducting ensures that your climate control equipment operates at peak efficiency. Its highly flexible construction allows professional installers to easily navigate complex structural layouts, bypassing tight framing, plumbing lines, and electrical conduits found in typical attics, ceilings, and deep crawl spaces without compromising the structural integrity of the air path.
Superior Thermal Insulation and Energy Conservation
A significant amount of energy is often lost when conditioned air travels through unconditioned zones, such as baking-hot summer attics or freezing winter basements. To combat this thermal bleed, this flexible air duct is wrapped in a thick, continuous layer of premium thermal fiberglass insulation. Boasting an R6 thermal resistance rating, this insulation heavily restricts the transfer of heat between the air inside the duct and the extreme ambient temperatures outside of it. This means that cold air from the AC unit remains cold until it reaches the supply register, and heated air retains its warmth during the winter. Consequently, the HVAC system does not have to work as hard to maintain the thermostat’s set point, leading to reduced mechanical wear and tear, significantly lower monthly utility bills, and a smaller carbon footprint for the property owner.
Reinforced Inner Core and Heavy-Duty Vapor Barrier
The internal geometry and external protection of flexible ductwork are just as important as its thermal properties. This duct features a heavily reinforced flexible inner core that maintains a perfectly round shape, even when routed around sharp corners or suspended from structural joists. This prevents catastrophic kinks, sagging, and internal airflow restrictions that can severely damage an air handler’s blower motor over time. The core is engineered to handle a maximum airflow velocity of up to 6000 feet per minute, accommodating high-pressure residential systems with ease.
Protecting the internal fiberglass insulation is a heavy-duty outer vapor barrier jacket. In humid environments, the temperature differential between the conditioned air inside the duct and the ambient air outside can cause severe condensation. This rugged vapor barrier completely seals the insulation layer, preventing moisture intrusion that could otherwise lead to mold growth, structural water damage, and a degradation of the duct’s R-value over its operational lifespan.
Technical Specifications and Operating Parameters
Prior to integrating this flexible ducting into your mechanical layout, please review the specific physical dimensions, material composition, and performance ratings below to ensure full compatibility with your air distribution requirements:
| Attribute / Feature | Specification |
|---|---|
| Installation Type | Flexible HVAC Ducts |
| Application | Supply and Return Air Systems |
| Insulation R-Value | R6 |
| Diameter | 7 inches (Outer Dimension) |
| Length | 25 feet (per roll) |
| Insulation Material | Thermal Fiberglass |
| Inner Core | Reinforced Flexible Core |
| Outer Jacket | Heavy-Duty Vapor Barrier |
| Maximum Airflow Velocity | 6000 feet per minute (FPM) |
| Temperature Range | -20°F to 200°F (-28.8°C to 93.3°C) |
| Pressure Rating | Suitable for residential and light commercial HVAC systems |
Implementing high-quality, properly insulated ductwork is foundational to achieving exceptional mechanical performance and adhering to modern building codes. A well-sealed and insulated air distribution network minimizes static pressure issues and maximizes the lifecycle of your environmental control equipment. For essential mounting hardware, hanging straps, mastic sealants, and professional-grade aluminum tapes to complete your ductwork installation, be sure to browse our comprehensive selection of Xpress Supply Air Distribution components. Furthermore, to ensure your HVAC installations consistently align with national energy efficiency and environmental safety standards, always review the most current EPA guidelines regarding indoor air quality and proper mechanical infrastructure insulation practices.
| Weight | 132 lbs |
|---|---|
| Dimensions | 26 × 26 × 27 in |
| Size | 6″ |
| Duct Type | Flex Duct |
| Spec | R6 |

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