3M Canada Indoor Window Insulator Kit, Patio Door

Available in a variety of indoor and outdoor window sizes

By 3M Canada

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Description & Features+

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. Easy to install, 3M™ window kits have the clearest film and stay up all season long with Scotch® tape technology.
• Clearest window film available
• 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 one 6'8" x 9' indoor patio door


Available for Shipping to Canada Post
3M Canada
Product Identifiers
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Model #

Return Policy+

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You can return this item within 90 days from the day you receive your online order.

There are two easy ways to return this item:

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From the Manufacturer +

Ratings & Reviews+

3M Canada Indoor Window Insulator Kit, Patio Door is rated 3.7 out of 5 by 7.
Rated 5 out of 5 by from perfectly clear view & stopped wind draftts how a plastic film can keep wind drafts out, I don't know, but it does. No noisy plastic blowing with the wind - nice & taut. Didn't look any different than the glass window as far as clarity - so much so, my poor cat tried to jump from table to windowsill & bounced right off the plastic. True story! : ) Great buy.
Date published: 2016-01-12
Rated 5 out of 5 by from Patio Insulator Kit worked really well I have used 3M and other brands, and none compare to the 3M brand. The tip included in the box, using tape to find the last fold works really well.
Date published: 2015-12-23
Rated 4 out of 5 by from good but could be made easier to install I've been using this product for a few years now and it does work well. Just look at the bow in it on a windy day and you can see how much is leaking thru your patio door seals. It is always hard to find the end of the sheet though so I would suggest that 3M put a colored spot or line on the starting edge to make it easier to find. Or put better directions on the box describing where to look for the end in relation to the folded plastic when you first take it out of the box. I did watch the video online but nothing was mentioned about that. I am 65 years old and my eyesight isn't as great as it used to be and I am sure there are a lot of other people out there like me who would appreciate a marked starting tab.
Date published: 2015-01-08
Rated 5 out of 5 by from Worth the extra money. Year after year, this product is a workhorse! It keeps the cold out until I want to take it down in the spring. It cost more than off brands, but it is so worth it!!!!!!
Date published: 2016-12-24
Rated 1 out of 5 by from Does not seal I applied the product and after a couple days the tape came off the frame. I had cleaned everything thoroughly. I redid everything again and it still did not work. I even sanded, washed, thoroughly dried and reapplied with no sucesss. I have done this three times already and I cannot believe I am doing it again with different tape (that is not with the package)!
Date published: 2016-10-22
Rated 1 out of 5 by from Didn't cover my whole door. Useless Box says it would insulate one 6'8"x9 patio door.   This thing barely covered even half of my 6'4"x 6' patio door.  Pretty much unusable.  Upset that I wasted money and time on this.
Date published: 2015-01-31
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