0077578022956

Model # SP55/6

Internet # 100185601

Store SKU # 331759

Store SO SKU # 1000403691

E/O 12 in. x 15 ft. Foil and Fiberglass Duct Insulation

$11.98 /each

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Product Overview

The Thermwell Products Co., Inc. 12 in. x 15 ft. Foil and Fiberglass Duct Insulation can be used on either heating or air conditioning ducts. Insulates against heat loss in winter and cooling loss in summer. Tapes in place.

  • Insulates duct work, helps stop vibration
  • R-6 helps lower energy bills
  • Tapes in place
  • Foil and fiberglass

Specifications

Dimensions

Product Depth (in.) 
Product Height (in.) 
13 
Product Width (in.) 
12 

Details

Insulation R-Value 
Insulator material 
Other 
Returnable 
90-Day 

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Customer Questions & Answers

4 Questions6 Answers

Customer Questions & Answers

E/O 12 in. x 15 ft. Foil and Fiberglass Duct Insulation
E/O 12 in. x 15 ft. Foil and Fiberglass Duct Insulation

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2 answers

Can this be used on exterior ducts?

This question is from E/O 12 in. x 15 ft. Foil and Fiberglass Duct Insulation
Asked by
Palmdale, Ca
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June 30, 2015
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Answers (2)

July 2, 2015
Answer: 
If it is exposed to the elements and might get wet, then no.
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July 1, 2015
Answer: 
If it is exposed to the elements and might get wet, then no.
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2 answers

Has anyone ever tried to remove the existing foil wrap around their duct work and replaced it with new wrap?

This question is from E/O 12 in. x 15 ft. Foil and Fiberglass Duct Insulation
Asked by
Essex, CT
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January 29, 2015
I'm wondering if I can do this myself or if I need to hire someone to do it.
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Answers (2)

Asked by
Charlotte NC
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Home Improvement Profile: DIYer
November 12, 2015
Answer: 
Absolutely do it yourself. Make sure that after you remove the old insulation , all joints and seams in the metal work are sealed with a duct sealant applied liberally with a cheap paint brush. Very important since duct insulation is not for "Holding" air in. Its for preventing the heat from radiating.
Just a thought if you have old metal ducting, you may want to consider replacing it with insulated Read More
Absolutely do it yourself. Make sure that after you remove the old insulation , all joints and seams in the metal work are sealed with a duct sealant applied liberally with a cheap paint brush. Very important since duct insulation is not for "Holding" air in. Its for preventing the heat from radiating.
Just a thought if you have old metal ducting, you may want to consider replacing it with insulated flex pipe instead. You'd be surprised how many contaminants/allergens are in old piping. Also, if you go with the flex, never, ever, ever use tape of any kind. Read Less
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February 2, 2015
Answer: 
Hi Cheryl01,
If your insulation is damaged it must be replaced.
Mike
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1 answer

Is this ok for Dryer exhaust vent ducts?

This question is from E/O 12 in. x 15 ft. Foil and Fiberglass Duct Insulation
Asked by
Missouri
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January 10, 2016
My metal dryer exhaust duct is ice cold in winter which makes the room cold. Can I cover the dryer duct with this? Should I stop a certain distance from the dryer? (I read that your foil/foam product can be used, but I am afraid of the smell that some complain about.) Is this as effective as your foil and foam wrap?
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Answer (1)

January 11, 2016
Answer: 
Yes, you can wrap the Dryer exhaust vent.
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1 answer

Can this be used as a water heater insulation wrap?

This question is from E/O 12 in. x 15 ft. Foil and Fiberglass Duct Insulation
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November 18, 2015
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Answer (1)

November 19, 2015
Answer: 
It can be used, however, it would be easier to use a water heater blanket. It would be faster, easier to install.
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Customer Reviews

Rated 2.6 out of 5 by 14 reviewers.
Rated 3.0 out of 5.0 by Not as advertized The reason I purchased this item was because of the advertisement that it improved air flow. I was required to remove the filter after a couple hours of operation because the air flow was decreased compared to a pleated filter. Price was good. It just did not work in my application. July 16, 2016
Rated 3.0 out of 5.0 by It is what it is For the price, it could definitely be better. Other reviews are correct. The fiberglass is poor quality. It sheds lime crazy. The foil is thin. It tears easily. The fiberglass is however glued to the foil. Just not well. It worked for my application but not without care and a little bit of itching. There are not a lot of alternatives out there. I used it to insulate a dryer duct which runs through unheated space. It might work for you. Just be prepared for some headaches. April 14, 2016
Rated 1.0 out of 5.0 by Junk Sheds large fibers and foil separates quite easily. Wasted my money as roll is now unusable. May 7, 2016
Rated 4.0 out of 5.0 by Good buy. Foil was a little thin, but this product works OK. May 5, 2015
Rated 1.0 out of 5.0 by Buyer Beware I agree with all of negative reviews on this product. It is flimsy and you will be inundated with fiberglass. Comparing it with Flow Master products is night and day. I question if this product actually achieves the R Rating it claims, especially after comparing its quality Flow Master products. I will be returning 2 of the 3 packages of this product that I purchased. February 21, 2015
Rated 4.0 out of 5.0 by Worked fine wrapping HVAC I also do not understand all the negative reviews, this worked fine for me. Used it to wrap the HVAC in my basement util room as the duct work was was radiating out so much heat that the room was 90 degrees. I only had problems with the metal backing falling on one end of the two rolls I bought. I also wrapped the seams with thick metal tape. October 30, 2014
Rated 1.0 out of 5.0 by Terrible product! What JUNK! The fiberglass is so fragile that by the time I had finished wrapping the duct there was yellow 'snow' covering everything! I ended up completely taping the seams (and tears) in order to stop it from falling. The foil covering was also very easily damaged and had torn edges right out of the bag. STAY AWAY!! If you use this, you'll be cleaning up or breathing tiny, broken glass fibers for a long time to come.There have to be MUCH better products! This garbage doesn't even deserve the 1 star I was required to give it. November 20, 2013
Rated 1.0 out of 5.0 by Difficult to work with... Bought this to wrap my rigid dryer vent to keep condensation forming.... will probably work for this but it was extremely difficult to work with. Foil tears easily, does not stay attached to the insulation well at all. Yellow fibers from the glass are extremely annoying, even using long sleaves and gloves. Have a shop vac ready, you will have lots of yellow fibers to clean up! Thankful that my vent is only 8 ft. long. If I knew before I started the project, I would have looked for a different product. January 6, 2014
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