- R-6 insulation
- Reduces condensation, absorbs noise and improves air temperature
- For use on new and existing ductwork
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Product Details
About This Product
Insulate your new or existing 4 in. duct pipe with this Master Flow 4 in. Dia fiberglass insulation ductwork sleeve. Helps provide consistent air temperature and reduced system condensation and noise. On new pipe installation - simply slide the sleeve over the 4 in. duct pipe as it is being installed. For existing duct pipe up to 4 in. Dia - cut the jacket length wise (insulation is pre-cut) and wrap around the pipe.
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]]
- Insulates duct pipe up to 4 in. Dia and up to 5 ft. L
- R-6 value for effective insulation of your duct system
- Reduces mold-causing condensation and absorbs draft and duct system noise
- Meets ASTM E84-20 surface burn standard. Tested by an accredited third-party laboratory.
- Return Policy
Product Information
Specifications
Dimensions: H 7.5 in, W 7.5 in, D 60 in
Dimensions
Product Depth (in.) | 60 in |
|---|---|
Product Height (in.) | 7.5 in |
Product Width (in.) | 7.5 in |
Details
Insulation R-Value | 6 |
|---|---|
Insulator material | Other |
Pack Size | 1 |
Returnable | 90-Day |
Questions & Answers
Will this fit over 14" rigid ductwork?
Yes, 14" Flexible duct is designed to use with 14" rigid duct and fittings, the rigid duct may need to be crimped for a more secure and easier fit. If you have any other questions about Master Flow products, please email MasterFlowTech@gaf.com
Can this be use on existing bath fan exhaust duct?
It can be used on any 4" duct, existing or new installation. If you have any questions about Master Flow products please email MasterFlowTech@gaf.com
Is there a video anywhere online that shows how to install this especially on 12 inch ductwork? That would be a big help.
We do not have a video for the Insulated Duct sleeves. If you have any other questions about Master Flow products please email MasterFlowTech@gaf.com
Can this be used over existing 7” flex ducts (r5.6)? I have two ducts running through very warm part of attic that may benefit from increasing the r value. Each run is about 23’ in length. Thank you.
It is not recommended for use over Flexible duct. If you have any other inquiries about Master Flow products please email MasterFlowTech@gaf.com
Is this a wrap or a sleeve? I need to install an existing 4 inch vent pipe from my kitchen exhaust hood.
Use this Master Flow 4 in. Dia fiberglass insulation ductwork sleeve to insulate your new or existing 4 in. duct pipe. If you have any other inquiries about our Master Flow products please email, warrantyllbp@gaf.com
Can this insulation sleeve be used in Idaho to insulate the dryer rigid metal duct?
You would need to check with your local code authority.
What?s the inside diameter?
This will will over 4" hard pipe, the diameter may vary because of the consistency of the insulation and packaging. If you have any other inquiries about our Master Flow products please email warrantyllbp@gaf.com
Does this need to be slid over the end of the duct, or is is split so you can wrap an existing duct?
This is designed to be slid over the duct, it can be cut and wrapped over the duct if desired. If you have any other inquiries about our Master Flow products please email warrantyllbp@gaf.com
Slid over pipe but could cot lengthwise and put around pipe and the you would have to tape insulation back together and tape the plastic to make waterproof
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