Duck Max Strength Expanding Foam Seal for Doors and Windows, .5 in. x .5 in. x 20 ft., Expands to Fit Uneven Gaps up to 1/2 Inch Thick, Cut to Size, Black, 1-Roll (Pack of 1)

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 1/2 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.

• Duck Brand Expanding Foam Seals create powerful door and window seals against cold winter weather while providing insulation in warmer months
• Premium self-adhesive Expanding Foam Seals fills gaps from 1/8" up to 1/2" around windows and doors. They can also help keep out unwanted dust, insects and pollen
• This expanding foam seal is 0.5 inches thick and 20' long and will expand up to 1/2" thick to fill larger gaps
• Prior to installation, please clean surface of dust and dirt. For best results apply adhesive tape products to clean and dry surfaces when temperature is above 50° F
• Instructions: 1. Remove white liner and apply foam tape to surface. 2. Use scissors to trim to fit and press firmly in place. 3. Discard paper liner backing