Duck Max Strength Window Insulation Kit (Patio Door, 2-Pack)
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Two 84 x 120 in rolls of film and two 54 ft tape rolls, listed as puncture-resistant and two times thicker than standard kits.
🚪 For patio doors
Measure your patio door or large window against the 84 x 120 inch film before ordering.
The Duck Max Strength kit has two 84 x 120 inch rolls of film and two 54 ft tape rolls and is meant for patio doors and large windows. The listing says the film is puncture-resistant and two times thicker than standard window kits. On Amazon US it was $29.94 on November 3, 2026, the highest price here.
Pros
- Sized for patio doors and large windows
- Thicker film, per the listing
- Tape included
Cons
- Highest price of the five
- Covers only two extra-large windows or four large ones
How to Install Duck® Brand Window Kits
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