Duck Brand Black Foam Medium Gap Weatherstrip Seal, 0.375 in. x 0.31 in. x 10 ft., 2 pack
Duck Brand Black Foam Medium Gap Weatherstrip Seal, 0.375 in. x 0.31 in. x 10 ft., 2 pack
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Duck Brand Black Foam Medium Gap Weatherstrip Seal, 0.375 in. x 0.31 in. x 10 ft., 2 pack

Duck Brand Black Foam Medium Gap Weatherstrip Seal, 0.375 in. x 0.31 in. x 10 ft., 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

  • Draft Protection: Effectively seals out drafts and humidity, contributing to reduced energy costs by preventing air leakage around doors and windows.
  • Barrier Formation: Creates a protective barrier against dust, insects, and pollen, enhancing indoor air quality and comfort.
  • Optimal Sizing: Features dimensions of 0.375 inches by 0.31 inches and comes in a 10-foot length, suitable for medium gaps.
  • Self-Adhesive Application: Designed with a self-adhesive backing for easy and convenient installation around various openings.
  • Versatile Use: Ideal for sealing small gaps around both doors and windows, improving overall home energy efficiency.
  • Brand Identification: Manufactured by Duck Brand, known for weatherization products, and identified by model number 285645.
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Current price is $5.53$2.77/ea
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Customer ratings & reviews

4.2 out of 5 stars
stars1,691 ratings493 reviews
How item rating is calculated
  1. 5 stars64% (1,089)
  2. 4 stars12% (211)
  3. 3 stars9% (152)
  4. 2 stars5% (80)
  5. 1 star9% (159)

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Showing 1-3 of 493 reviews

May 10, 2026
Lynne
Top Reviewer
Item details
Count: 1
Size: 0.75 in. x .5 in. x 10 ft.
Count: 1
Size: 0.75 in. x .5 in. x 10 ft.
Count: 1
Size: 0.75 in. x .5 in. x 10 ft.
Count: 1
Size: 0.75 in. x .5 in. x 10 ft.
5 out of 5 stars review

Verified Purchase

When our sliding glass door frame kinda ‘disjointed', the door didn't quite fit all the way in when closing. I used this to fill that gap, so that it keeps my AC %26 heat in without escaping. It's a good stop-gap (pun intended!) until we figure out our next move. I also used it on the bottom of the front door to fill in that open space. I hate those California earthquakes. I wake up %26 notice something ELSE doesn't fit quite right when it did before.

Helpful?52796090-0b0e-11f1-82e3-4fb2424f8b5732475929
Jan 31, 2026
damian
Top Reviewer
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?52796090-0b0e-11f1-82e3-4fb2424f8b5732475929
Feb 15, 2026
Russ
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Worked as expected

Easy to install, the adhesive sticks well and assuming you purchase the correct size, it fits the gaps well, without affecting the door/windows opening/closing.

Helpful?52796090-0b0e-11f1-82e3-4fb2424f8b5732475929