How to Replace Garage Door Weatherstripping How to Replace Garage Door Weatherstripping

Garage door weatherstripping consists of long rubber strips that surround the edges of a garage door to act as a seal against anything that would otherwise be able to enter the garage through cracks around the edges, such as rain, wind or insects. The weatherstripping on your garage door wears down a little more each time the door goes up or down, so to keep your weather strip as tightly sealed as possible, you should replace it periodically. The following set of step-by-step instructions will give you all the information you need to replace the weatherstripping around your garage door.

Step 1: Gather Materials

For this project, you will need a hammer, some nails, a pry bar, a tube of silicone seal and a caulking gun. For convenience, you may also want a scraper and hand broom for cleaning and a step ladder to more easily reach the top of your garage.

Step 2: Remove Old Weatherstripping

Use a pry bar and a hammer to remove the old weatherstripping from the sides of your garage door. Carefully insert the pry bar underneath the weather strip as far as you can push it, then gently tap with the hammer until the old weather strip comes loose.

Step 3: Clean the Edges of the Garage Door

If you use sealant on a dirty area, it will stick to the dirt on the surface of the materials you want to stick together instead of the surfaces themselves. To make sure the new weatherstripping will keep a good seal, you should clean the places where it will be attached.

Step 4: Apply Sealant

Use a caulking gun to apply dabs of sealant along one of the weatherstrips. Be careful to apply the sealant as evenly as possible.

Step 5: Attach Weatherstripping

Close the garage door and carefully press the weatherstripping up against the door frame. Hold the rubber seal as flat as possible against the door to make sure the strip is flush with its edges. Nail the weatherstripping in place at the top, bottom and in the middle to make sure it stays in place while the sealant dries.

Step 6: Finish Up

Make sure the top weatherstrip is aligned properly with the top wood frame. When it is flush with the edge of the door along the whole top, nail the corners to make sure it stays in place. Once the weatherstripping has been nailed securely in place, caulk more sealant into the cracks around the edges of the rubber to present a smooth, finished look, as well as to make a more perfect seal.

Good quality weather strips will last a long time, so you may not need to replace them more than once every few years. If you wait too long before you replace the weatherstripping, rain and insects may start to enter your garage. It may be a significant effort to replace the weatherstripping, but having to clean the garage floor every time it rains will eventually prove to be even more of a hassle. Also, air could escape through the sides of the garage door, which could add to your air conditioning bill.

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