I haven’t had the need to use plastic over windows in awhile. The kits used to come with folded sheets of plastic. This kit actually comes with a roll of plastic. It is so much easier! You start at the top corner and roll it across, then just unfold it down the window. It’s so much easier to maneuver. It has made such a difference in room temp, it’s crazy. My living room was actually at 49, with this plastic up it fluctuates between 68-70 now which is perfect. I’m planning on leaving it up for summer to keep the heat out and lower my a/c costs! This is a great kit, easy to use and works great. They also give you plenty of tape which is very sticky and the plastic is strong and very clear also.
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This item: Duck Brand Indoor 5-Window Shrink Film Insulator Kit, 62-Inch x 210-Inch, 286217
$11.99 ($0.13/square feet)
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From the manufacturer
Shrink Film Window Insulation Kits
- For use on painted or finished wood, aluminum or vinyl
- Available in XL for large windows or patio doors and 3, 5 and 10 packs for standard size windows
- Includes Shrink Film and Window Kit Tape
- Available in Standard, Roll-On and Max Strength
Directions on Packaging and Tips Below for Achieving Best Results
Duck Brand Has You Covered
Window Insulation Kits
Designed to fit around different windows in your home, Duck Brand Window Kits have all you need to block drafts and air leaks that can lead to high heating costs during cold weather months.
Keep Your Home Warm in the Winter
Stop drafts cold. When winter strikes, Duck home weatherization products help you save money on costly energy bills. Easy to install, these products help keep your home warm in the winter.
Duck Brand Window Kit Assortment
Standard Shrink Film WIndow Insulation Kit
Standard kits include window kit tape and one shrink film sheet that must be cut to size before application. Measuring tape recommended for Standard Kits. Available in 3, 5 and 10 packs for standard windows, or 1 XL pack for large windows and patio doors.
Roll-On Shrink Film Window Insulation Kit
Roll-On Kits feature a pre-taped top edge for a quicker and easier installation — no measuring needed. Available in 3 and 5 packs for standard windows, or 1 XL pack for large windows and patio doors.
Max Strength Shrink Film Window Insulation Kit
Max Strength kits feature heavy-duty, puncture-resistant shrink film that's perfect for households with pets or young children. Available in the Standard Shrink Film Sheet or Roll-On Shrink Film options in a 3 pack for standard windows, or 1 XL pack for large windows and patio doors.
Tips for Best Results
Clean The Surface First
Clean the surface before you apply the tape and let dry completely. Removing dust and debris ensures better tape adhesion and longest lasting-performance.
Smooth Out Wrinkles With a Hair Dryer
Use a hair dryer to smooth out wrinkles on the shrink film for a better seal and increased transparency. Move the hair dryer back and forth without holding it in one spot for too long.
Trim Shrink Film Last
Cut the shrink film around the outside of the tape after you use the hair dryer to smooth out wrinkles.
Duck MAX Strength Window Insulation Kit
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| Windows & Patio Doors | ✓ | no data | no data | ✓ | ✓ | no data |
| Doors | ✓ | no data | no data | ✓ | ✓ | ✓ |
| Attic | no data | ✓ | no data | no data | no data | no data |
| Pipes | no data | no data | ✓ | no data | no data | no data |
Product Videos
Product information
Warranty & Support
Product Warranty: For warranty information about this product, please click here
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Customers say
Customers find the window film effective, easy to install, and of good quality, appreciating how it helps raise temperatures by 10 degrees and keeps cold air out. Moreover, they consider it a cost-effective solution, noting it helps save money on bills and is much cheaper than replacing windows. However, the adhesiveness and durability receive mixed reviews - while some say it sticks well and holds up through winter, others report issues with the tape not sticking and the material tearing easily.
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915 customers mention effectiveness, 819 positive, 96 negative
This film is easy to install and works great as long as it stays installed, but I find that the adhesive always gives up in a short time, so the...Read more
Fantastic product! Works well and easy to apply. Managed to get all the wrinkles out with the hairdryer no problem - unlike another product I used....Read more
Worked great I know sounds like it might be harder in the end but if instead of 2 pieces it being sent as one would eliminate the waste of extra...Read more
It’s really easy to install and I think it’s effective, as my room is warmer!Read more
799 customers mention installation, 664 positive, 135 negative
Easy to install. Tape appears to be strong. I would highly recommend a nice sharp pair of scissors for when you cut the plastic to avoid it tearing.Read more
Fantastic product! Works well and easy to apply. Managed to get all the wrinkles out with the hairdryer no problem - unlike another product I used....Read more
Works, easy to put up and saved me money. Cats can easily tear these open so either buy more or make it impossible for your cat to get to the window....Read more
Forget about the old school saran wrap on your windows.This was very easy to install. You use the double sided sticky strips and line your windows....Read more
686 customers mention quality, 559 positive, 127 negative
Great product. It definitely helps me keep the drafts out and the bills down in the winter. My apartment is so much warmer! Easy to apply too....Read more
...Has kept my poorly heated bedroom warmer and energy costs down! Good product -took a little time to get them up, but was worth it.Read more
Excellent product,well packed and reasonable price and easy to use .I recommend for every house-owner to bring down the heating bill.Read more
...NOW I DO NOT FEEL "PERMIFROST" IN THE ROOM. THESE ARE CHEAP, THEY WORK EXTREMELY WELL. I GIVE THIS ONE A SOLID 10 OUT OF 10.Read more
535 customers mention heat isolation, 486 positive, 49 negative
Good product. Fits well with careful application and keeps the cold out. I would recommend it help insulate your windows.Read more
It's rare I give anything 5 stars! Works like it's supposed to, keeps the cold air out on my mom's leaky window....Read more
I like this. It keeps out the cold I would recommend.Read more
...This is supposed to insulate and keep the cold out but it tears this easily??...Read more
470 customers mention value for money, 396 positive, 74 negative
I got it for a great price , it’s seems a little thicker and less clear then it competitors but overall it’s been holding up well and I am happy...Read more
Was a good price and it was easy to apply. Was forgiving in the application and it looks great after taking out the stretch marks with heat gun....Read more
...Costing less than the Frost King makes it a great value. The only negative I found has been praised by others....Read more
...some videos on installation and it seemed easy to install and a good value. First window took me 3 tries and it still isn't perfect....Read more
455 customers mention draft protection, 422 positive, 33 negative
...No more drafts and the apartment stayed pretty warm. We noticed a huge drop on our heating bill (almost $50/mo compared to previous year)....Read more
...But the duck brand shrink film works like a charm. Keeps the drafts out and the heat in. Very pleased.Read more
...Not a miracle worker but great for drafty windows.Read more
Easy installation. Keeps out drafts.Read more
529 customers mention adhesiveness, 226 positive, 303 negative
Tape doesn’t stick.Read more
Sticks well, keeps draughts out well,insulates well and you provide plenty of it! Thank you kindly.Read more
tape doesn't stickRead more
...sided tape because it makes the whole process flawless and it's easy to remove when spring comes around! will always buy this for my windows :)Read more
414 customers mention durability, 164 positive, 250 negative
...thin, so you have to be careful when cutting it to fit, else it tears easily. But otherwise, the film performs well; it holds up well to heating gun....Read more
..." use of this product, but after reading that this product works as a durable, ultralight ground cloth for a tent, I decided to give it a try....Read more
...Be careful when applying - this is thin and rips easily. Be careful when blow drying - it melts through relatively quickly....Read more
Plastic wrap is flimsy and tears very easily. Ripped all 3 each time trying to install and had to throw out the entire pack. Don’t recommend.Read more
Thicker film, and better tape than the "red" name brand
I have used Frost King film for decades. Although it never split, the film was extremely thin. The Duck Brand here, has noticeably thicker film, but far more importantly, the tape sticks to wood and aluminum FAR better than the other brand. It has shrunk tight as a drum, is invisible, and looks great! Costing less than the Frost King makes it a great value. The only negative I found has been praised by others. This kit, 62-inch x 210-inch, comes on a roll. For me, this makes installation more difficult with the roll remains attached. Had I cut the total width first, it would have been a non-issue, I'm sure, but I wanted to ensure I did not cut too short and ruin the roll for my use. I have attached photos of my bay window installation.
Top reviews from the United States
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- Reviewed in the United States on February 2, 2026Size: 5 windowsVerified Purchase
I have used Frost King film for decades. Although it never split, the film was extremely thin. The Duck Brand here, has noticeably thicker film, but far more importantly, the tape sticks to wood and aluminum FAR better than the other brand. It has shrunk tight as a drum, is invisible, and looks great! Costing less than the Frost King makes it a great value.
Thicker film, and better tape than the "red" name brand
Reviewed in the United States on February 2, 2026
The only negative I found has been praised by others. This kit, 62-inch x 210-inch, comes on a roll. For me, this makes installation more difficult with the roll remains attached. Had I cut the total width first, it would have been a non-issue, I'm sure, but I wanted to ensure I did not cut too short and ruin the roll for my use.
I have attached photos of my bay window installation.
Images in this review
Top reviews from other countries
- HunnieReviewed in Canada on May 10, 2024
Seals in house temperature!
Size: 10 windowsVerified Purchase -
- NaokurenReviewed in Canada on January 26, 2025
High quality Thick film
Size: 5 windowsVerified Purchase
This shrink film kit does an excellent job of sealing out cold air, making a noticeable difference in my basement—it’s now much more comfortable to stay in! The installation was straightforward, and the film shrinks nicely for a clear, tight seal.NaokurenHigh quality Thick film
Reviewed in Canada on January 26, 2025
The only downside is that the kit comes with more film and tape than I actually need. It would be great if there were smaller size options. However, the extra materials could be useful for future use or larger projects.
Overall, a great product for improving insulation and keeping the cold out!
Images in this review
- Simeon CoxReviewed in Australia on July 4, 2023
Cheaper than double glazing.
Size: 10 windowsVerified Purchase - carolineReviewed in the United Kingdom on August 19, 2023
Excellent
Size: 5 windowsVerified Purchase
