Model # INSLV8

Internet #100396954

Store SKU #363949

Store SO SKU #1000683403

null 8 in. Dia R-6 Ductwork Insulation Sleeve
0050206023310

8 in. Dia R-6 Ductwork Insulation Sleeve

$7.45 /each

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Product Overview

Insulate your new or existing 8 in. duct pipe with this Master Flow 8 in. Dia Fiberglass Insulation Ductwork Sleeve. Enjoy consistent air temperature and reduced system condensation and noise. On new pipe installation - simply slide the sleeve over the 8 in. duct pipe as it is being installed. For existing duct pipe up to 8 in. in diameter - cut the jacket length wise (insulation is pre-cut) and wrap around the pipe.

  • Insulates new or existing ductwork to help maintain consistent air temperature in a ventilation system
  • Insulates duct pipe up to 8 in. in diameter and up to 5 ft. in length
  • R-6 value for effective insulation of your duct system
  • Reduces mold-causing condensation and absorbs draft and duct system noise

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Customer Questions & Answers

Can this be used on duct coming from a wood add-on furnace?

Asked by: Dodgemrj08
Yes, the insulation sleeve can be used for duct coming from a wood furnance.
Answered by: CommunityAnswer
Date published: 2016-12-31

what type of tape?

On existing duct work where the insulation has to be cut what is the appropriate tape to be used?
Asked by: dwn629
Store SKU # 254731 2-7/8 in. x 50 yd. Extreme Weather HVAC Foil Tape OR Store SKU # 173398 1-7/8 in. x 120.3 yd. 555 FlexFix UL Listed Tape, which I prefer best, although I have used both without experiencing any problems
Answered by: SAM560
Date published: 2017-03-10

How thick is the fiber glass insulation?

Asked by: Diane
Depending upon compression by taping, strapping or hangers, the "fluffed" or uncompressed thickness approaches two (2) inches
Answered by: SAM560
Date published: 2016-12-31

Can this go around bends?

Can i use this with 8" ductwork that has some bends or will it just work on straight duct work. Thanks!
Asked by: schlitz
Yes, it can be used on curved or straight sections to cover existing ductwork. Please call Technical Services at 800-211-9612, M-F 8A-5P ET.
Answered by: Master Flow
Date published: 2016-03-10
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Customer Reviews

8 in. Dia R-6 Ductwork Insulation Sleeve is rated 4.4 out of 5 by 9.
Rated 5 out of 5 by from Actually used this product to seal around my AC unit. Did an excellent job of keeping out the co... Actually used this product to seal around my AC unit. Did an excellent job of keeping out the cold...
Date published: 2016-12-08
Rated 4 out of 5 by from Very useful in HVAC duct retro-fits Used this product on a recent duct retro-fit rather than wrapping the duct with blanket insulation and taping such. Five (5) foot lengths are compatible with the 5 foot lengths of duct pipe and seaming the joints with Premium Foil UL Listed HVAC Tape made for an almost invisible joint. Only cheaper way I found was to buy a 25 foot roll of flexible duct and remove the inner wire duct core, which also gives you the option for insulation lengths longer than five feet. For easier installation be sure to purchase a 'end cap' to place over the duct end which makes installation and sliding of the sleeve so much easier.
Date published: 2015-12-29
Rated 4 out of 5 by from Good Purchase Easy Install in a air conditional, also easy to carry
Date published: 2016-08-24
Rated 4 out of 5 by from FYI I extended a duct into a walk in closet with a booster fan and sensor which activated the fan . Don't make my mistake. I installed the duct, fan and sensor before thinking of the insulating sleeve. Because I already installed the duct I had to cut the sleeve and tape the cut. It will be much easier to slide the insulating sleeve before the duct is installed. If you don't insulate the duct it will sweat. If you do need to cut the sleeve length wise find the fiberglass end and cut the foil jacket in that spot. If you cut it in any other location the fiberglass will be in 2 pieces and will be more cumbersome to work with.
Date published: 2016-07-26
Rated 5 out of 5 by from Ductwork insulation Easy-to-install. Holds cooling heatinsideductwork.
Date published: 2016-08-16
Rated 5 out of 5 by from Ductwork insulation sleeve work great. finished DIY project and ready for winter.
Date published: 2015-11-10
Rated 4 out of 5 by from Good product & available at HomeDepot I used this without paying someone else to help. Glad you had what I needed.
Date published: 2014-08-17
Rated 5 out of 5 by from Good Product Product was easy to use and works great. I would recommend. Used after unexpected remodel in our kitchen.
Date published: 2014-04-29
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