Top Rated
4 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket
- R6 fiberglass insulation is perfect for heating and A/C systems
- Galvanized core wire resists rust and corrosion
- Insulated duct can withstand up to 200°F
- View More Details
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Return this item within 90 days of purchase.
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Product Details
About This Product
The Master Flow 4 in. x 25 ft. Insulated Flexible Duct R6 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R6 insulation which contains 33% more insulation than the standard R4.2 product. This additional insulation provides greater thermal efficiency to save energy. The product is also covered in a heavy duty, silver jacket for durability. The duct is ETL listed, meeting the UL181 standard.
Highlights
- Don't know how much to order? A GAF QuickMeasure report provides all of the measurement data you need when planning your material orders. A complete bill of materials, with Home Depot product SKUs, is provided with each single-family report delivered in under 1 hour. Learn more here. [gaf.com [gaf.com]]
- Flexible duct is convenient for use in multiple applications including heating and A/C systems and some venting
- Oversized core to connect quickly and easily to standard sheet metal fitting
- Galvanized core wire for greater corrosion resistance vs. non-galvanized wire
- Duct can be cut to length as needed
- Insulated duct features a maximum temperature rating of 200 degree F
- Always install per instructions and seal using approved mastic or sealant (or approved tape)
- Return Policy
Product Information
Specifications
Dimensions
Product Diameter (in.) | 4 |
|---|---|
Product Length (in.) | 300 in |
Product Width (in.) | 7.5 in |
Wall Thickness (in.) | 1.75 |
Details
Color | Silver Jacket |
|---|---|
Insulated | Yes |
Insulation R-Value | 6 |
Material | Fiberglass |
Maximum air flow (CFM) | 30 |
Pack Size | 1 |
Returnable | 90-Day |
Warranty / Certifications
Certifications and Listings | ETL Listed, UL Recognized |
|---|
Questions & Answers
For the 4" diameter, If I pull the flex duct out of the insulation...will the insulation fit over a 4" rigid duct?
The inner coil will fit over a rigid duct, which may have to be crimped for a more secure fit. It's always a good idea to ensure the connection is tight to prevent air leaks.
Can you use it for bathroom fan.
If your local codes allow it, yes. If you have any other questions about Master Flow products, please email MasterFlowTech@gaf.com
Is this flex suitable for gas heaters such as HVAC
This can be use for supply and return air on all type of forced air systems, you must be aware and follow the manufactures guidance of the appliance and follow local codes pertaining to when and where flexible duct can be used. If you have any other questions about Master Flow products please email MasterFlowTech@gaf.com
Is it possible that the fiberglass insulation might become airborne? Thanks
When installing, especially when the need to cut the flexible duct, particles may become airborne. If you have any other questions about Master Flow products please email MasterFlowTech@gaf.com
What is the temperature rating for this exhaust pipe
This flexible duct can be used for most HVAC supply and returns as well as venting some appliances is rated to 180°f. If needed consult your local code authority for more specifics on exhaust duct ratings in your area.
Will this slide over 4" rigid duct to insulate a dryer vent through an unheated attic?
No the inside diameter is the same as the 4" rigid duct. If you have any other questions about Master Flow products please email MasterFlowTech@gaf.com
Can I haul it in bed of truck
If it is tied down properly, the box is approximately 14" x 14", 3 feet long.
Can this be used outdoors ?
Flexible ducts used outdoors, if allowed by your local codes, should be protected from the elements. If you have any other inquiries about our Master Flow products please email masterflowtech@gaf.com
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Compare Key Features
Product Snapshot | ||
|---|---|---|
Ideal for customers who want energy-saving R6 insulation, ensuring greater thermal efficiency. | Ideal for customers wanting R6 insulation, ensuring superior thermal efficiency and energy savings. | Ideal for homeowners looking for R6 insulation, making HVAC projects energy-efficient and durable. |
Diameter/Size Options | ||
4 in. diameter | 5 in. diameter | 6 in. |
Insulation Level | ||
R6 for greater thermal efficiency | R6 insulation, high thermal efficiency | R6 |
Fire Resistance | ||
Airflow Performance | ||
30 CFM maximum airflow | Max airflow 60 CFM | 100 CFM |
Antimicrobial Coating | ||
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