Model # SP55/6

Internet #100185601

Store SKU #331759

Store SO SKU #1000403691

null E/O 12 in. x 15 ft. Foil and Fiberglass Duct Insulation
0077578022956

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

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Customer Questions & Answers

6 Questions9 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

Has anyone else noticed a strong odor coming from this product?

This question is from E/O 12 in. x 15 ft. Foil and Fiberglass Duct Insulation
Asked by
florida
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September 13, 2016
I purchased this product a few months ago and brand new out of the package it had a fishy odor to it. I assumed it would clear up after a couple of weeks but after a few months it still stunk. My house has had an off odor to it from about the time I installed this product so in an effort to fix it I've started pulling out this insulation to see if it helps.
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Asked by
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October 29, 2016
Answer: 
No odor at all. Used 2 rolls on the heater duct in my garage. Easy to install and looks just fine.
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September 14, 2016
Answer: 
Please give our Customer Service department a call and we can resolve this further 1-800-229-5700.
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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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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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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

Can it be used as a wall protection behind a wood burning stove?

This question is from E/O 12 in. x 15 ft. Foil and Fiberglass Duct Insulation
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October 4, 2016
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Answer (1)

October 7, 2016
Answer: 
This is not designed for this purpose.
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  • 2016-10-30 T23:12:40.631-05:00
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Customer Reviews

E/O 12 in. x 15 ft. Foil and Fiberglass Duct Insulation is rated 3.0 out of 5 by 25.
Rated 4 out of 5 by from I have an unheated basement, and the ductwork runs through this unconditioned space. I wrapped th... I have an unheated basement, and the ductwork runs through this unconditioned space. I wrapped the hot air supply ductwork. What a difference! Before insulating, the air would blow at barely warmer than 70 degrees. I stuck a thermometer in the register, and the temperature was over 120° now. Our heating bills have been reduced by approximately 33%. Awesome. I took off one star due to the fiberglass dust that comes off the roll. It is substantial and very itchy. I'll take that over outrageous propane bills anyday though.
Date published: 2017-01-03
Rated 1 out of 5 by from Worst. Insulation. Ever The label says this is 2 inches thick, R6. The thickness varies between 1/4" an 1/2". No, it does not expand at all like normal compressed fiberglass insulation. Leave it out for an hour or a month and it is the same thickness. Completely worthless. If you buy it, then just drop it into the garbage can on your way out of the store; save yourself a headache.
Date published: 2016-08-10
Rated 1 out of 5 by from This stuff smells awful Brand new out of the package had a fishy smell to it, after a couple months the smell never went away. Ripping it out. As other reviewers have said it is also very flimsy.
Date published: 2016-09-13
Rated 5 out of 5 by from good value used material to cover an exposed a/c duct in the basement that had been "sweating". wrapped duct and then secured with tape. problem solved
Date published: 2016-08-26
Rated 4 out of 5 by from works well with r6 barrier but fiberglass is very very loose and sheds a lot - be aware of clothi... works well with r6 barrier but fiberglass is very very loose and sheds a lot - be aware of clothing/breathing protection. had to join 2 rolls to cover a 6" duct pipe so sometimes this can be great depending on size of duct/piping being insulated. definitely not good for continuous wrap around of any system (poor aesthetic look & not proper coverage besides limited space)
Date published: 2016-12-09
Rated 1 out of 5 by from For the price that's being charged for this small roll of insulation, one would think it would be... For the price that's being charged for this small roll of insulation, one would think it would be tougher and higher quality. That's not the case. The foil backing tears if you so much as look at it funny! No joke. I couldn't even get the roll un rolled without the flimsy backing tearing.
Date published: 2017-01-10
Rated 4 out of 5 by from Does what it says Very irritable for skin as fiberglass sheds a lot compared to other fiberglass insulating products. Otherwise good R value and easy to work with, just wished it was larger sizes for bigger projects.
Date published: 2016-12-06
Rated 5 out of 5 by from Inexpensive and Easy to use Used 3 rolls on the heater ducts in my garage. Had some tough areas to get to but got it done. Installed easily and looks just fine. Not sure what all the fuss is about. Also, it is easily 2" thick.
Date published: 2016-10-30
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