Duck Brand 3/8 in x 5/16 x 10 ft Black Foam Weatherstrip Seal, 2 pack
Duck Brand 3/8 in x 5/16 x 10 ft Black Foam Weatherstrip Seal, 2 pack
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Duck Brand 3/8 in x 5/16 x 10 ft Black Foam Weatherstrip Seal, 2 pack

4.2 stars out of 1394 reviews
(4.2)|
1,394 ratings
Duck Brand 3/8 in x 5/16 x 10 ft Black Foam Weatherstrip Seal, 2 packDuck Brand 3 8 in x 5 16 x 10 ft Black Foam Weatherstrip Seal 2 Pack3 pack Duck Brand 3 8 in x 5 16 x 10 ft Black Foam Weatherstrip Seal 2 Pack
Pack Size:Single

Key item features

  • Effective Sealing: Seals out drafts and humidity, contributing to reduced energy costs by preventing air leakage around doors and windows.
  • Protective Barrier: Keeps out dust, insects, and pollen, enhancing indoor air quality and comfort, especially during warmer seasons.
  • Versatile Application: Designed for use in small gaps around doors and windows, offering a practical solution for common household insulation needs.
  • Convenient Dimensions: Each weatherstrip measures 3/8 inches by 5/16 inches and is 10 feet long, provided in a convenient 2-pack.
  • Self-Adhesive Design: Features a self-adhesive backing for easy installation, forming a barrier against external elements.
  • Energy Efficiency: Helps improve home energy efficiency by sealing cracks and gaps, which are a primary cause of high energy consumption.
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Current price is $5.53$2.77/ea
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Duck Brand 3/8 in x 5/16 x 10 ft Black Foam Weatherstrip Seal, 2 pack
Duck Brand 3/8 in x 5/16 x 10 ft Black Foam Weatherstrip Seal, 2 pack
current price $5.53
Duck Brand 3/8 in x 5/16 x 10 ft Black Foam Weatherstrip Seal, 2 pack
4.2 out of 5 Stars. 1394 reviews
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Duck Brand Heavy-Duty Rubber .38" x .25" x 17' Large Gap Weatherstrip Seal White
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Comparison Chart:
MaterialFoamDuck Brand 3/8 in x 5/16 x 10 ft Black Foam Weatherstrip Seal, 2 packFoamDuck Brand Black Foam Weatherstrip Seals, 0.75 in. x 0.5 in. x 10 ft.RubberDuck Brand Heavy-Duty Rubber .38" x .25" x 17' Medium Gap Weatherstrip Seal WhiteRubberDuck Brand 17 ft. Heavy-Duty Rubber Weatherstrip Seal - Medium GapRubberDuck Brand Heavy-Duty Rubber .38" x .25" x 17' Large Gap Weatherstrip Seal White
FeaturesEasy InstallationDuck Brand 3/8 in x 5/16 x 10 ft Black Foam Weatherstrip Seal, 2 packEasy InstallationDuck Brand Black Foam Weatherstrip Seals, 0.75 in. x 0.5 in. x 10 ft.Easy InstallationDuck Brand Heavy-Duty Rubber .38" x .25" x 17' Medium Gap Weatherstrip Seal WhiteEasy InstallationDuck Brand 17 ft. Heavy-Duty Rubber Weatherstrip Seal - Medium GapEasy InstallationDuck Brand Heavy-Duty Rubber .38" x .25" x 17' Large Gap Weatherstrip Seal White
Rec locationWindowDuck Brand 3/8 in x 5/16 x 10 ft Black Foam Weatherstrip Seal, 2 packWindowDuck Brand Black Foam Weatherstrip Seals, 0.75 in. x 0.5 in. x 10 ft.WindowDuck Brand Heavy-Duty Rubber .38" x .25" x 17' Medium Gap Weatherstrip Seal WhiteWindowDuck Brand 17 ft. Heavy-Duty Rubber Weatherstrip Seal - Medium GapWindowDuck Brand Heavy-Duty Rubber .38" x .25" x 17' Large Gap Weatherstrip Seal White
Rec. useWindowDuck Brand 3/8 in x 5/16 x 10 ft Black Foam Weatherstrip Seal, 2 packDoorDuck Brand Black Foam Weatherstrip Seals, 0.75 in. x 0.5 in. x 10 ft.Exterior WallsDuck Brand Heavy-Duty Rubber .38" x .25" x 17' Medium Gap Weatherstrip Seal WhiteDoorDuck Brand 17 ft. Heavy-Duty Rubber Weatherstrip Seal - Medium GapExterior WallsDuck Brand Heavy-Duty Rubber .38" x .25" x 17' Large Gap Weatherstrip Seal White
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Customer ratings & reviews

4.2 out of 5 stars
stars1,394 ratings456 reviews
How item rating is calculated
  1. 5 stars64% (894)
  2. 4 stars12% (172)
  3. 3 stars9% (130)
  4. 2 stars5% (65)
  5. 1 star10% (133)

Reviews summary

Pros
  • : Offers good value at this cost.
  • : Prevents cold air and heat loss through gaps.
  • : Simple installation process.
  • : Forms a seal around windows and doors with minimal effort.
Cons
  • : May not fit door frames securely.
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Showing 1-3 of 456 reviews

Nov 29, 2025
Logan
Top Reviewer
5 out of 5 stars review

Verified Purchase

When that old winter wind comes a'whistling...

I live in an old house. I don't need to open my door to see daylight. Or that was true until I used this outstanding weatherstripping. Now, you may think that weatherstripping is weatherstripping, but Duck Brand is a roll above. Easy to use. Doesn't mash down after many uses. And most importantly will keep those howling winds where they belong - outside.

Helpful?72250ee0-d40d-11f0-b4b6-85abfc26e41732475929
Jan 31, 2026
damian
Top Reviewer
Item details
Count: 1
Size: 0.75 in. x .5 in. x 10 ft.
5 out of 5 stars review

Verified Purchase

Finally, My Ducks Are Sealed

Look, I'll be honest. I bought this because I have a serious duck problem. Not drafts. Ducks. They kept getting into my garage and I needed a solution. Well, I'm happy to report that after installing this weatherstrip around my door, not a single duck has breached the perimeter. Zero ducks. The foam creates a tight seal that apparently ducks find impenetrable. They just stand outside now, judging me. As a bonus, it also stops cold air from coming in, which I guess is what it's actually for. But let's be real, you're buying Duck Brand because you trust ducks to know about sealing things. It's right there in the name. Would a duck lie to you? No. Ducks are honest. Easy to install, sticks well, and comes with two rolls so you can seal twice as many ducks out of your life. Five stars, would recommend to anyone with a duck situation or, I suppose, a draft situation.

Helpful?72250ee0-d40d-11f0-b4b6-85abfc26e41732475929
Dec 7, 2025
Ash
Item details
Count: 1
Size: 0.75 in. x .5 in. x 10 ft.
5 out of 5 stars review

Verified Purchase

We had a distinct Gap in the bedroom windows for the apartment that we moved into and even though we still sealed it with plastic afterwards we have noticed a difference in just a few hours with just the foam application.

Helpful?72250ee0-d40d-11f0-b4b6-85abfc26e41732475929