How to Replace a Gasket on French Doors


French doors are a beautiful addition to your home, but they are not all that energy-efficient. The large glass windows, unless they are double-paned, will let cool air in and warm air out of the home during the winter months. To seal the door as best as possible, a gasket is installed in a groove that runs along the entire door. After several years of use, the gasket will become brittle and may begin to break. Replacing the gasket will prevent large drafts from entering your home.

Things You'll Need

  • Hammer
  • Screwdriver
  • Chisel
  • Measuring tape
  • Wooden block
  • Slide the end of a flat-nose screwdriver under the pin that holds the top door hinge in place. Tap the back of the screwdriver gently with a hammer to force the pin up. Pull the pin out. Do this for the bottom hinge as well.

  • Lower the door onto a blanket to keep the paint from chipping.

  • Pry away the tabs that hold the gasket in place, using the end of your screwdriver, if your door has these tabs.

  • Dig the screwdriver under the rubber gasket and pull it up out of the door groove. Pull out the gasket by hand. Take the gasket to the hardware store for replacement. It will likely be of a tubular weatherstripping style.

  • Push the new gasket in place by hand. Press a wood block against the weatherstripping if it will not go into the groove easily, and gently tap the wood, using a hammer. Do not hit too hard, as you could break the glass.

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  • Photo Credit Allan Danahar/Digital Vision/Getty Images
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