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How to Seal Garage Door Gaps to Keep Out Mice?

Mice are small, nimble creatures that can squeeze through tiny gaps, turning your garage into their new home. To combat this, a garage door seal repair can be crucial.

This process effectively blocks the tiny entrances that mice exploit. This article will guide you through sealing those pesky gaps in your garage door to keep mice at bay.

Inspect and Prepare the Garage Door

Start by thoroughly inspecting your garage door during daylight hours. Look for any light seeping through cracks or gaps, indicating potential entry points for mice. Pay close attention to the bottom of the door, the corners, and where the panels meet.

Once you’ve identified the gaps, clean the areas around them to ensure that the seals you will apply adhere properly. Open a Frozen Garage Door Remove any debris, dust, or cobwebs, and if necessary, wash the surfaces with mild soap and water, then let them dry completely.

Seal Existing Gaps

For the bottom of the garage door, use a durable weather stripping or a rubber seal designed for garage doors. These materials are effective in closing gaps and are resilient against the elements.

Install the stripping along the bottom edge of the door, ensuring it’s snug against the ground when the door is closed.

For gaps along the sides and top of the door, apply weatherstripping tape or foam insulation strips. Cut the strips to the necessary length, peel off the backing to reveal the adhesive, and press them firmly into place along the edges of the door frame.

Ensure that the strips compress slightly when the door is shut, forming a tight seal against the frame.

Address Potential Chewing

Mice can chew through softer materials, so it’s important to reinforce potential chew points. Metal flashing or wire mesh can be installed at the base of the garage door and along the sides where chewing is likely.

These materials are more resistant to rodent teeth and can deter mice from trying to get through.

Preventative Measures

Beyond sealing gaps, consider other preventative measures to discourage mice from approaching your garage door.

Keep the area around the garage door clear of debris, leaves, and stored items that can provide shelter for mice. Hang Christmas lights around your garage door properly as they not only add festive charm but also act as a visual deterrent for rodents.

Use rodent repellents, like peppermint oil or commercially available sprays, around the perimeter of the garage to create an additional deterrent.

Additional Considerations

Regular maintenance of your garage door is crucial. Inspect the door and its seals periodically and address any new gaps or damage promptly.

Consider consulting with a pest control professional if you have an ongoing or severe mouse problem, as they can provide additional solutions and treatments.


Sealing gaps in your garage door is a key step in keeping mice out of your garage. By conducting a thorough inspection, sealing all openings, addressing potential chewing points, and taking preventative measures, you can create a mouse-free environment.

Regular maintenance and vigilance are your best defenses against these persistent pests.

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