Enjoy an energy-smart, comfortable home with Frost King. The pioneer of "Do-It-Yourself" weather-stripping, Frost King's dedication to quality, comfort and energy-saving continues to make us the #1 USA weather-stripping brand. To install: Soak in warm water for 10 - 15 minutes. Apply a small amount of liquid soap to the edges. Use a plastic (not aluminum) putty knife to press edges into groove. Complete one side, then the other.