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Duck® Max Strength™ Expanding Foam Seal - Black, .25 in. x 13 ft.


Product Size

.25 in. x 13 ft. .5 in. x 20 ft.

Pack sizes

1 pk.



Product Description

Save up to 10%* on Home Energy Costs

Large gaps and cracks around windows and doors cause drafts that lead to high energy costs. Duck® Brand Max Strength™ Expanding Foam Seals fill larger gaps up to 1 in. around windows and doors that may let outdoor air inside. They can also help keep out unwanted dust, insects and pollen during the warmer months. Simply cut to size and then apply the self-adhesive foam to your door or window for added weather protection.


  • Premium self-adhesive foam seal
  • Expands up to 1 in. to seal larger gaps around windows and doors
  • Cut to size for windows and doors
  • For best results, use on clean and dry surfaces
  • Tools needed: scissors
  • Easy to install

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*When you properly seal and insulate your home. Duck® brand weatherization products are a part of a complete home sealing and insulation solution. Energy savings is an estimate based on U.S. department of energy recommendations for improvements to a ‘typical’ U.S. existing house built between 1970 to 1989. Your actual savings may vary depending on individual factors, including how you seal and insulate your home, the size and age of your home, local energy costs, regional construction styles, and local climate.
Visit https://www.energystar.gov/campaign/seal_insulate/methodology for more information.