The Home Spot

4 Best Ways Fix Garage Door Gap: Easy Guide

Garage doors are like relationships, they require maintenance and occasional fixing to keep them functioning smoothly. So, if you’re facing the dreaded ‘garage door gap‘ issue, don’t worry, I’ve got your back!

As the great Tim Allen once said, ‘Fixing things isn’t as easy as it used to be, but it’s not as hard as it looks.’

With that in mind, let’s dive into 4 easy ways to fix garage door gap and get your garage looking as good as new!”

An opening in a garage door can be very problematic. It not only lets unwanted animals inside, but it can also compromise your home’s energy efficiency. 

But do not worry, my friend! You can close that gap and enjoy a more safe and more pleasant garage with only a few quick fixes.

Whether you’re dealing with a weatherstripping issue or a misaligned track, these solutions will have your garage door back in tip-top shape in no time.

What things can cause a garage door gap?

A garage door gap can be a real headache for homeowners, compromising the security and energy efficiency of the space. But what causes these pesky gaps to appear?

Well, there are several typical circumstances that can result in a garage door gap.

The most commonly cited reason is weatherstripping which has degraded or been damaged over time. This could make the garage uncomfortable and possibly even cause damage by allowing cold air, rain, and even insects to enter.

A misaligned track is another typical issue that can make the door not close completely and leave a gap. Moreover, a warped or damaged door may not be able to close completely, leaving a gap.

Tip: Regular lubrication helps to keep the door properly maintained and prevents gaping.

Despite this reason, closing a garage door gap is a vital task for your home’s safety and comfort. So, can we fix garage door gap in different ways?

How to Fix Garage Door Gap

The first thing you need to do is identify the type of garage door you have. Once you know what kind of garage door you have, you can proceed to fix the garage door gap.

How to Fix Garage Door Gap

If you have a sectional door, the most likely cause of a widening gap is that the weather stripping has worn down and needs to be replaced. Weatherstripping is strips of rubber or vinyl that seal the gaps between the sections of your door.

You can purchase replacement weather stripping at Amazon or most hardware stores. Simply remove the old weather stripping and install the new one in its place.

1. Fix misaligned tracks

If your garage door gap is caused by misaligned tracks then it may cause a gap between the garage door and the floor. But don’t worry, it’s an easy fix!

How to Fix Garage Door Gap

Here’s how to fix garage door gap that arise from misaligning of tracks:

  1. Inspect the tracks: Look for any debris or obstacles that may be causing the track to misalign. Clear out any debris or obstructions that you find.
  2. Loosen the bolts: Loosen the bolts that hold the track in place using a wrench. Be careful not to remove the bolts completely, just loosen them enough to allow you to move the track.
  3. Adjust the track: Use a rubber mallet or a piece of wood and a hammer to gently tap the track back into place. Move the track slowly, a little bit at a time, until it is properly aligned.
  4. Tighten the bolts: Once the track is properly aligned, tighten the bolts back up. Be sure not to over-tighten them, as this can cause the track to become misaligned again.

And voila! Your garage door gap is now fixed, and you can enjoy a properly functioning garage door once again.

Expert Opinion: It’s important to note that if your garage door track is severely misaligned, it may be best to call in a professional to fix the issue. Attempting to fix a severely misaligned track on your own can be dangerous and cause further damage to the door or track. So, when in doubt, call in a pro to ensure your garage door gap is fixed safely and effectively.

2. Replace the Weatherstrip

To replace a seal it’s important to choose a perfect seal for the bottom of your garage door. A perfect garage door seal to fix garage door gaps should be made from tough, durable material that can withstand regular wear and tear.

How to Fix Garage Door Gap

There are many types of weatherstrips available in the market such as T-type, J-type, Bulb Shaped, and many more, choose what is best for you. Be sure to measure the size of the weatherstrip before Buying.

Replacing the weatherstripping on your garage door is a simple and cost-effective way to fix garage door gap. And don’t worry, you don’t need to be a DIY expert to get the job done. Just follow these simple steps:

  1. Remove the old weatherstripping: Start by removing the old weatherstripping from the bottom of the garage door. This can usually be done by pulling it off, but if it’s stubborn, use a flat-head screwdriver to pry it loose.
  2. Clean the area: Use a clean cloth or rag to wipe down the area where the weatherstripping was removed. Make sure there is no debris or dirt left behind.
  3. Measure the length: Measure the length of the garage door where the weatherstripping will be installed. This will ensure you purchase the right length of weatherstripping for your door.
  4. Install the new weatherstripping: Peel off the backing tape on the new weatherstripping and carefully apply it to the bottom of the garage door, making sure it is centered and level.
  5. Trim the excess: Use a utility knife to trim any excess weatherstripping that is sticking out past the edges of the garage door.

And there you have it! Your garage door gap is now fixed, and you can rest easy knowing that you’re keeping out the elements and unwanted critters. weatherstriping is one the most effective way to fix garage door gap between the door and floor.

3. Adjust the Limit Switches of garage door Opener

You may have tried fixing the tracks and if the numbers still don’t add up then try to adjust the limit of your garage door opener.

How to Fix Garage Door Gap

This is one thing you can do to adjust the garage door opener. To fix garage door gap:

  • Open the left side of your garage door opener. There you’ll see two adjustments labeled “up and down” or “open and shut”.
  • Use the screwdriver to adjust the downside of the travel. Just roll the screw a quarter.
  • Now put everything back and close the garage door.
  • The gap is covered now. If not then again adjust the screw and check for the difference.

Limiting the garage door opener can fix garage door gap easily. it is the simplest way.

4. Install a garage door threshold

You may have tried everything but Still can’t get rid of the gap between the garage door and the floor. But don’t loose hope there’s still something you can do.

How to Fix Garage Door Gap

How about installing some threshold? Isn’t it interesting? This will help to seal the doorway and prevent animals and pests from getting into your garage.

To install a threshold to fix the garage door gap, follow these steps:

Step 1: Measure the Gap

The first step to fixing the garage door gap is to measure it. The width of the door should be measured at its bottom, where the gap is the largest. You can use this to determine how long your garage door threshold should be.

Step 2: Choose Your Garage Door Threshold

Make sure you select a garage door threshold that meets your demands among the many available varieties. You should search for a threshold that is simple to install, sturdy, and weatherproof.

Step 3: Clean the Garage Door Bottom

Make sure to properly clean the garage door bottom before installing the threshold. Get rid of any dirt, junk, or outdated weatherstripping that may be present. You should ensure that the threshold can adhere to the garage door correctly.

Step 4: Apply Adhesive

Now it’s time to apply the adhesive. Make sure to use a premium adhesive made specifically for garage door thresholds. Put a thin, even layer of adhesive on the garage door’s bottom.

Step 5: Install the Garage Door Threshold

Place the threshold of the garage door carefully over the glue. To ensure that the threshold is flush with the garage floor, press down firmly and evenly. To tap the threshold into place, you might need to use a rubber mallet.

Step 6: Allow the Adhesive to Dry

You must allow the adhesive to completely dry after installing the threshold. This will guarantee a tight seal and proper threshold adhesion to the garage door.

These are just a few of the ways you can fix garage door gap. If you have any other questions or concerns, be sure to contact a professional for assistance.

Frequently asked questions

How can I make my garage door close tighter?

Cleaning the tracks, replacing weather-stripping, adjusting limit switches, lubricating the rollers and tracks, trimming the door stop, or installing a garage door threshold can all help to make your garage door close tighter. Additionally, you may need to replace broken springs or adjust the tension to get it to close properly.

Why does my garage door not fully close?

The reason your garage door does not fully close could be due to several factors. These include broken springs, misaligned tracks, worn weather-stripping, or loose limit switches. You may also need to lubricate the rollers and tracks for smoother operation or trim the door stop for a better fit.

What is the most common problem with garage doors?

The most common problem with garage doors is a misalignment of the tracks. This can cause issues with the opening and closing mechanism, as well as create gaps that allow air or insects in. If your tracks are misaligned, you may need to adjust them or replace them altogether. Additionally, worn weather stripping and loose limit switches can also cause issues with your garage door.

Can I adjust my garage door limit switches?

Yes, you can adjust the limit switches on your garage door. To do so, use a screwdriver to tighten or loosen the screws located at either side of the travel adjustment. Once you have adjusted the limit switches, make sure that they are secured properly and that the door continues to open and close smoothly.


An expansive garage door gap can be both unsightly and dangerous. Pests and drafts can easily enter your home through an open hole, so it’s important to fix the garage door gap as soon as possible.

Fortunately, fixing garage door gap is a relatively simple task and can be done in just a few minutes.

All you need to do is identify the type of garage door you have and take appropriate action accordingly—replacing weather-stripping for sectional doors or replacing springs for rolling doors.

With just a little effort, you can say goodbye to your pesky garage door gap for good! and keep your garage door well-maintained.

Trisha Mae Raymundo
Trisha Mae Raymundo

Senior Writer and Editor of The Home Spot.