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3M™ Indoor Window Insulator Kit, 5 Windows

3M ID 70005082121UPC 00051131500242
  • Saves energy and reduces heating costs
  • Reduces condensation and prevents frost buildup
  • Quick and easy installation
  • Fits five 3'x 5' indoor windows
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Available in a variety of indoor and outdoor window sizes. 3M Window Insulator Kits keep cold drafts out and warm air in through heat shrink window film and Scotch Window Film Mounting Tape. 3M window kits have the clearest film and stay up all season long with Scotch tape technology. Scotch double sided tape holds firmly between films and surfaces.

  • Saves energy and reduces heating costs
  • Reduces condensation and prevents frost buildup
  • Quick and easy installation
  • Fits five 3'x 5' indoor windows
Attribute Name
Selling Country
United States
Film: 5.16 ft x 17.5 ft, Tape: 0.5 in x 27.7 yd
Customer Reviews
3M™ Indoor Window Insulator Kit, 5 Windows is rated 3.7 out of 5 by 86.
Rated 1 out of 5 by from Terrible tape Bought this product and the tape is the worst product made. The paper separates as you attempt to peel it off the tape, you either have to struggle to get the under layer of paper off or start over again. Way to hard of a struggle and will not use again.
Date published: 2021-10-16
Rated 1 out of 5 by from Somethings change and not in a good way!!!!! I have used this product for the last 20 years, used to be a great product. Just purchased a new kit this morning and what used to take me 1 hr now took me 3 hr? The tape has changed. The backing tape no longer separates easily or cleanly from the adhesive leaving you try to scrape the residue off a little at a time. Luckily I had some tape from last year and I was able to finish using it. Night & day difference. So I'm returning the other box I purchased and will look for a different product next year. So disappointed with this product
Date published: 2021-10-14
Rated 5 out of 5 by from Worked well Helped with the heat bill will be buying more in the future
Date published: 2021-02-23
Rated 1 out of 5 by from Couldn't put up alone I measured the plastic for my window, as directed, but was unable to put the window cling up by myself. I really needed a second person to attach the second side tightly. Yes, there are tapes to hold it to the windows, but to get a really tight hold you need to stretch it before putting the tape on
Date published: 2021-02-13
Rated 3 out of 5 by from Great idea 3 M gave me a sample of this product to evaluate. They took a while to figure out how to install, and we were only able to install on the lower part of window. The hair dryer did not entirely work.
Date published: 2021-02-10
Rated 5 out of 5 by from Excellent for drafty windows in the NE I live in Philadelphia in a loft style condo in which my landlord doesn’t care that the old window needs to be re sealed and glazed. I have used this for a second year on a row and the difference is dramatically different with it installed. My heat runs constantly without it due to the draft, with it, dramatically less and I set my thermostat to 68. Before installation I can barely sit in my living room because the draft is so cold. With this product my apartment is so much more comfortable for the winter months. The tape and plastic holds up all winter long for 3-4 months. Second year using this and love it !
Date published: 2021-01-22
Rated 2 out of 5 by from Works okay, but not as claimed I have used this product for several years. This year I purchased another kit to insulate my windows. All worked well, but the film has numerous creases in it that do not come out when shrinking the film with the blow dryer. So now all winter as I look out my windows, I have to see creases. Attached photo shows them, though it's hard to capture with sufficient contrast to make the defect stand out.
Date published: 2021-01-18
Rated 5 out of 5 by from Worked great! We have old wood windows and most of them have storm windows on the outside but one window doesn’t and every winter it gets so cold in that room and the window gets condensation and frost on it. We used this insulation kit this winter and it’s making a big difference! No more drafts and less condensation. It was very easy to use as well. So far we are very happy with the results!
Date published: 2021-01-06
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