# How to Fix a Broken Window Runner
Window runners are the rubber seals that runs along the length of windows on your home or vehicle. Over time, the rubber can become brittle and crack from sunlight damage or because of fluctuations in weather conditions. When the rubber cracks, you may experience leaks along the runner, which will require repair. The repair process will only take a few minutes.
Things You'll Need
- Mild soap
- Sponge
- Lint-free towel
- Urethane sealer
- Applicator pad
Instructions
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1
Moisten a sponge with soap and water. Wring out excess water from the sponge.
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2
Open the window.
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3
Run the sponge over the rubber runner along the window. Wash the rubber thoroughly to remove any buildup.
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4
Dry the rubber completely with a lint-free towel.
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5
Line the rubber with a strand of urethane sealer.
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6
Rub in the sealer with the applicator pad. Cover the entire length of the rubber.
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7
Wait at least 24 hours for the sealant to cure, or as directed by the instructions on the sealant. You may close the window, but do not allow the area to get wet. If necessary, tape a trash bag over the window.
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1
Window & Door Repair
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