how to install garage door weatherstripping

How to Install Garage Door Weather Stripping

Weatherstripping on your garage door is incredibly important—it is important on ALL your doors and windows. The weather stripping provides an airtight seal around your garage door, and in cold environments, you definitely want that.

The seal also provides a barrier against bugs, rain and other elements from getting inside your garage.

Doing the installation right is key, or if yours is old and not working anymore, ripping it out and replacing it right is key.

Types of Weatherstripping

Weatherstripping for a garage door is crucial for keeping your garage insulated and protected from outside elements. It helps seal the gaps between the garage door and the frame or floor, preventing drafts, water, dust, and pests from entering. Properly installed weatherstripping can also improve energy efficiency, making your garage warmer in the winter and cooler in the summer. This is particularly beneficial if your garage is attached to your home.

There are several types of weatherstripping used for garage doors. The bottom seal, also known as the threshold seal, is attached to the bottom edge of the garage door. This type of weatherstripping prevents drafts, water, and pests from coming in through the gap between the door and the floor. It is typically made of rubber or vinyl and comes in different styles, such as T-style, bulb seal, or beaded seal. Some garages also use a bottom threshold, which is installed directly on the floor to create a tight seal when the door closes, useful if the ground is uneven.

Next, the side and top seals, also called stop molding, are applied to the door’s edges where it meets the frame. These seals help prevent air, dust, and moisture from leaking in through the sides and top of the garage door. Usually made from vinyl, rubber, or metal, these seals ensure a snug fit when the door is closed. For sectional garage doors, panel weatherstripping can also be installed between the individual door panels to stop air from leaking through the gaps.

How To Install Weatherstripping

How to Install Garage Door Weatherstripping:

1. Prepare the Surface

  • Clean the areas where the weatherstripping will be installed. Make sure the frame and door are free of dust, dirt, and old weatherstripping.

If you are removing old weatherstripping before installing new stuff you want to make sure you not only remove the old stuff but you clean off any residue or sticky gunk. I always like using Goof Off for this…it just works.

2. Measure and Cut

  • Measure the length of the areas you’ll be applying the weatherstripping (the sides, top, and bottom of the door).
  • Cut the weatherstripping material to fit the dimensions of your garage door.

3. Attach the Weatherstripping

  • For Bottom Seals: If your door has a track for the bottom seal, slide the new seal into place. If not, use adhesive or screws to attach the seal.
  • For Side and Top Seals: Use screws or nails to attach the weatherstripping to the door frame, ensuring that the flexible flap or rubber compresses against the door when it’s closed.
  • For Threshold Seals: Glue the threshold to the garage floor using a strong adhesive, and ensure it aligns with the door’s bottom seal.

4. Test the Fit

  • Close the garage door and check for any gaps. Adjust the weatherstripping if necessary to ensure a tight seal.

Maintenance Tips:

  • Regular Inspection: Periodically check the weatherstripping for cracks, tears, or wear. Replace any damaged sections to maintain the seal’s effectiveness.
  • Cleaning: Clean the weatherstripping regularly to prevent dirt buildup that could affect its performance.
  • Check the Door Alignment: If your door is misaligned, the weatherstripping may not seal properly. Regularly test the door’s balance and operation to ensure proper fit.

After All That

There are a number of ways to seal a door, you can check this page out from The Spruce to see some more options.

Home Depot and Amazon both have products that will get the job done as well.

21 thoughts on “How to Install Garage Door Weather Stripping”

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