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How to Fix Uneven Concrete: Garage Door Solutions.

To fix uneven concrete under a garage door, use self-leveling concrete. Then, spread the mixture evenly over the uneven areas and let it dry.

Uneven concrete under a garage door can pose a serious problem, causing damage to the door and potentially creating a tripping hazard. Fortunately, fixing this issue is not complicated. The best solution is to use self-leveling concrete. This material is specially designed to fill in low spots or areas of unevenness and will provide a smooth, even surface.

To fix the uneven concrete, start by thoroughly cleaning the affected area and allow it to dry completely. Then, mix the self-leveling concrete according to the manufacturer’s instructions, spread it evenly over the area, and wait for it to dry. Once the repair is complete, the garage door should fit flush against the ground, and the tripping hazard will be gone.

How to Fix Uneven Concrete: Garage Door Solutions.


Table of Contents

Signs Of Uneven Concrete In Garage Doors

Uneven concrete can pose a significant problem for garage doors, causing them to break down or malfunction. There are several signs that garage doors show when there is an issue with uneven concrete. As an seo-friendly content writer, i will explain common signs that indicate uneven concrete is affecting garage doors in the following sections of the blog post:

Explanation Of The Common Signs That Indicate Uneven Concrete Is Affecting Garage Doors

The following are some of the most common signs that indicate uneven concrete is affecting garage doors:

  • Excessive noise from the garage door when opening or closing
  • The door’s uneven movement when opening or closing
  • Stuck garage doors
  • Snapping sounds when the door is opening or closing
  • When the garage door slides away from its track while still in motion

Examples Of How These Issues Can Cause Further Damage To Garage Doors

If your garage door is experiencing any of these issues, it is essential to fix your uneven concrete immediately. If you do not solve this issue, it can result in significant damage to your garage door, leading to expensive repairs or replacements.

The following are examples of how these issues can cause further damage to garage doors:

  • Excessive noise can damage the garage door opener since the opener will need to work harder to operate the door.
  • Uneven movement can create pressure points on the garage door, leading to wear and tear on the door’s parts.
  • Stuck garage doors can put a lot of stress on the door’s opener, causing it to fail or break down.
  • Snapping sounds can damage the garage door’s hinges or other parts, resulting in the door breaking down.
  • When the garage door slides away from its track while still in motion, it can completely damage the garage door, rendering it unusable.

It is essential to check your garage door for uneven concrete, and if you notice any of the signs mentioned above, it is best to address the issue immediately to avoid further damage.

Causes Of Uneven Concrete

Uneven concrete in garages is a common problem faced by homeowners. It poses many issues, including making it challenging to open and close garage doors, damaging the vehicles, and creating an unsafe environment. This article aims to provide expert advice on identifying the causes of uneven concrete and how they can impact the garage doors.

Identification Of The Root Causes Of Uneven Concrete

Concrete slabs are durable and sturdy, but over time, they can sink, crack, and develop unevenness due to a variety of factors, including natural settling, soil erosion, and weather damage.

  • Natural settling: In many cases, the weight of the concrete slab could cause it to settle into the soil beneath it, leading to unevenness over time.
  • Soil erosion: Soil erosion can be a natural occurrence or caused by factors like poor drainage, leading to the soil beneath the concrete slab washing away or shifting, resulting in an uneven surface.
  • Weather damage: Extreme weather conditions, such as floods, heavy rains, ice or snow, can cause significant damage to concrete slabs, contributing to unevenness.

How These Factors Can Amplify The Effects Of Uneven Concrete On Garage Doors

Unevenness in concrete slabs can have disastrous effects on garage doors. The varying heights and angles can put immense pressure on the doors, hinges and, tracks, causing them to bend, warp, or come off the tracks.

  • Unevenness in concrete can also cause garage doors to stick and exert extra strain on the opener motor, leading to premature wear and tear that could shorten the door’s lifespan.
  • Uneven concrete can create a tripping hazard for homeowners moving in and out of the garage, exposing them to the risk of accidents and falls.

Diagnosing the cause of uneven concrete in garages is critical for the safety of the homeowner and the lifespan of their garage doors. Homeowners should conduct periodic inspections of the concrete slab and consider consulting with professionals to maintain the structural integrity.

By following the guidelines provided, homeowners can identify the root causes and address them before they contribute to extensive damage.

Diy Solutions For Fixing Uneven Concrete

Uneven concrete can be a real headache, especially when it comes to your garage door. Not only is it unsightly, but it can also be hazardous for your vehicle and cause issues with the operation of your garage door. Thankfully, there are several diy solutions you can try to fix the problem.

In this blog post, we will explain various diy techniques for fixing uneven concrete, including using self-leveling concrete, mudjacking, and grinding, as well as cost-effective and simple solutions that homeowners can try on their own.

Explanation Of Various Diy Techniques For Fixing Uneven Concrete

Self-Leveling Concrete

Self-leveling concrete is a popular choice for fixing uneven concrete. It’s easy to use, readily available at most hardware stores, and can be applied directly to the existing concrete surface. Here are some key points to keep in mind if you choose to use self-leveling concrete:

  • Self-leveling concrete is a pourable material that can flatten out uneven concrete surfaces.
  • It dries quickly, often within a few hours, and can be walked on soon after application.
  • Self-leveling concrete can be used indoors or outdoors, and is suitable for use on both residential and commercial floors.


Mudjacking is another option for fixing uneven concrete. It involves drilling small holes into the affected area and injecting a mixture of mud and cement into the holes to raise the concrete slab. Here’s what you need to know about mudjacking:

  • Mudjacking is a more cost-effective option than replacing the entire concrete slab.
  • It’s typically used for larger concrete surfaces that can’t be fixed with self-leveling concrete.
  • Mudjacking is a permanent solution to fix uneven concrete.


Grinding is a technique used to level out high spots in concrete surfaces. It involves using a concrete grinder to remove the high spots and creating a more uniform surface. Here are some key points about grinding:

  • Grinding can be used on both small and large concrete surfaces.
  • It’s relatively inexpensive compared to other methods, but it requires some experience and a special tool.
  • Grinding can create a lot of dust, so it’s important to wear proper protective equipment.

Cost-Effective And Simple Solutions That Homeowners Can Try On Their Own

Filling In The Low Spots

One easy solution for fixing uneven concrete is to fill in the low spots with a concrete patch. Here’s how to do it:

  • Clean the area thoroughly with a concrete cleaner and allow it to dry completely.
  • Mix the concrete patch according to the manufacturer’s instructions.
  • Apply the patch to the low spots with a trowel or putty knife.
  • Smooth out the surface and allow it to dry completely.

Using Sand

Another option is to use sand to level out the uneven surface. Here’s how to do it:

  • Clean the area thoroughly with a concrete cleaner and allow it to dry completely.
  • Fill the low spots with coarse sand and level it out using a rake.
  • Use a plate compactor to compact the sand and create a firm surface.
  • Apply a thin layer of sand on top and level it out with a trowel.

Fixing uneven concrete doesn’t have to be a daunting task. There are several diy techniques and cost-effective solutions that homeowners can try on their own to level out their concrete surfaces. Choose the method that best suits your needs and budget, and enjoy a smoother, safer garage floor.

Professional Options For Uneven Concrete Repair

Discussion Of Professional Services For Fixing Uneven Concrete

Uneven concrete can cause various problems over time, particularly for garage door openers. Handling it requires professional services, which can fix the imperfections in the concrete and restore its beauty and function. Here are some professional options for fixing uneven concrete:

  • Concrete resurfacing: This process involves applying a new layer of concrete over the existing one, which smoothens out the surface imperfections. This option is ideal for minor surface imperfections that don’t run too deep.
  • Slab lifting: This technique utilizes a high-density polyurethane foam to lift and level out the sunken concrete slabs.
  • Pressure grouting: This technique entails injecting cement grout into the sunken areas, and then the grout will lift the slab’s weight and fill the gaps while supporting the concrete.

Benefits Of Hiring A Contractor

Fixing uneven concrete is not an easy task, and that’s why hiring a professional contractor is highly recommended. Here are some reasons why;

  • Experience and expertise: Professional contractors with years of experience have the skills and knowledge to handle various concrete repair issues, ensuring quality work.
  • Time and efficiency: Using professional services can save you both time and effort on repairs that require specialized equipment and techniques.
  • Quality of work: Professional contractors provide high-quality repair work that prevents any damage from occurring in the future.

Comparison Of Different Techniques Used By Professionals

There are different techniques that professional contractors use to fix uneven concrete. Here’s a comparison between slab lifting and pressure grouting:

  • Slab lifting: This technique uses high-density polyurethane foam injected under the concrete slab. It’s fast, efficient, and less invasive, requires minimal equipment, and is excellent for stabilizing the soil under the concrete slab to provide long-lasting support.
  • Pressure grouting: This technique involves injecting cement grout, which fills the gaps under concrete slabs and lifts them, making it ideal for smaller and manageable projects. It also supports the weight of the slab and improves the soil’s stability around it.

You don’t have to live with uneven concrete in your garage door. Several professional services can help you fix it, with resurfacing, slab lifting, and pressure grouting being the most common solutions. Hiring a professional contractor is recommended for their experience, time, and effort savings, quality of work, and guaranteed results.

How To Prevent Uneven Concrete

Uneven concrete can be a significant issue that garage and driveway owners face. Not only does it look unattractive, but it can also be dangerous, causing potential harm to anyone who steps wrong. However, preventing uneven concrete from occurring in the first place is much more manageable than fixing it.

Here are some tips for preventing uneven concrete:

Tips For Preventing Uneven Concrete From Occurring

Regular maintenance:

  • For driveways and garage floors, it is essential to repair any cracks or damage. Inspect regularly to ensure that there is no movement or settling.
  • Clean and power wash regularly, removing debris, dirt, and any other buildup that can cause damage. This would help keep the garage floor and driveway clean and free from harmful corrosives and chemicals.
  • Make sure drainage is not an issue. Ensure that water is not pooling anywhere, as it can cause soil erosion and damage to the concrete.

Proper installation and maintenance:

  • Hire a qualified concrete contractor to install the driveway and garage floor. They can ensure the soil is compacted, the right thickness installed and correctly prepared. Proper installation can reduce the likelihood of uneven concrete in the first place.
  • Keep in mind that high-quality concrete requires the right mix of ingredients. Ensure the correct mixture of cement, water, and other materials.
  • Finally, make sure to maintain the concrete by addressing any issues, following the best practices listed above for regular maintenance and care.

Preventing uneven concrete is an essential step towards ensuring long-lasting garage floors and driveways. Proper installation and maintenance, regular inspections, and cleaning are crucial to prevent issues from developing. Follow these tips to ensure that you have a beautiful and functional driveway and garage floor that will last for years.

Frequently Asked Questions Of How To Fix Uneven Concrete Under Garage Door

Can Uneven Concrete Damage My Garage Door?

Yes, uneven concrete can cause stress on the garage door panels leading to damage.

Why Is The Concrete Under My Garage Door Uneven?

In most cases, uneven concrete is caused by soil settling or improper installation.

Can I Fix The Uneven Concrete Under My Garage Door Myself?

Fixing uneven concrete under the garage door can be challenging and requires expertise.

How Much Does It Cost To Fix Uneven Concrete Under Garage Door?

The cost to fix uneven concrete under garage door will depend on the extent of damage and repair needed.

How Long Does It Take To Fix Uneven Concrete Under Garage Door?

The time it takes to fix uneven concrete under garage door varies depending on the extent of damage and repair needed.

Will Fixing Uneven Concrete Under My Garage Door Improve Its Performance?

Yes, fixing uneven concrete under garage door will improve its performance, prevent further damage, and extend its lifespan.


As a homeowner, finding uneven concrete under your garage door can be a headache. Fortunately, there are several ways of fixing this issue. You can begin by identifying the problem area and assessing the severity of the damage. From there, you can choose to either patch up the concrete or replace it altogether.

Other tips include using self-leveling compound, pressure washing the area, and sealing the concrete to prevent further damage. Remember to follow safety precautions when handling concrete and seek professional help if necessary. Fixing uneven concrete under your garage door not only improves curb appeal but also prevents potential safety hazards.

By implementing the tips outlined in this article, you can restore your concrete floors to their original state and ensure your garage remains functional and safe for years to come.