How To Fix Cracked Concrete Patio

Are you tired of looking at the cracks in your concrete patio every time you step outside? Don’t let those unsightly blemishes ruin your outdoor space any longer. With a little bit of effort and the right tools, you can fix those cracks and restore your patio to its former glory.

In this article, we’ll guide you through the steps to fix your cracked concrete patio. We’ll help you assess the damage, gather the necessary tools and materials, prepare the surface, fill the cracks, and apply the finishing touches. We’ll also provide you with tips for preventing future cracks and maintaining your newly repaired patio.

So roll up your sleeves, grab your tools, and let’s get started!

Assessing the Damage: Identifying the Extent of the Cracks

Now, you’re going to take a closer look at the damage and figure out just how serious those lines in your outdoor living space really are.

The first thing you need to do is examine the size and location of the cracks. If they’re small, less than a quarter inch wide, and only on the surface, they can be easily repaired with a concrete patch. However, if the cracks are larger than a quarter inch, running deep into the concrete, or if there are multiple cracks, they may require more extensive repairs.

Next, you’ll want to check if there’s any movement or shifting in the concrete. If the cracks are accompanied by movement or unevenness in the patio, it could indicate a larger problem with the foundation. In this case, it’s best to consult a professional to assess the damage and determine the best course of action.

Additionally, if water’s seeping through the cracks, it could mean that the patio wasn’t properly sealed, allowing for moisture to penetrate the surface and cause further damage.

Finally, take note of the age of the patio and the type of concrete used. Older patios or those made with a lower quality concrete may be more prone to cracking and require more frequent repairs. It’s essential to keep up with regular maintenance, such as sealing the patio every few years, to prevent further damage and prolong the life of your outdoor living space.

By thoroughly assessing the damage, you can determine the best approach to fixing your cracked concrete patio and ensure that it remains a beautiful and functional space for years to come.

Gathering the Necessary Tools and Materials

Gather all the tools and materials required to restore your outdoor living area, including a wheelbarrow and gloves. You don’t want to find yourself halfway through the repair process and realize you’re missing a crucial tool or material. Here are some things you’ll need:

  • Concrete crack filler: This is a specialized compound that’s designed to fill in cracks in concrete. It’s available in a variety of colors, so you can choose one that matches your patio’s existing color.
  • Concrete resurfacer: This is a thin layer of concrete that you can apply over the entire surface of your patio. It fills in small cracks and creates a smooth, even surface for your patio furniture and guests.
  • Trowel: This is a flat, pointed tool that you’ll use to apply the crack filler and resurfacer. Make sure you have a few different sizes on hand for different areas of your patio.

Once you’ve gathered all your tools and materials, it’s time to get to work. Start by cleaning your patio thoroughly. Use a pressure washer or a garden hose to remove dirt, debris, and any loose pieces of concrete.

Once the patio is clean and dry, you can begin filling in the cracks with the crack filler. Use your trowel to apply the compound, making sure you fill in all the cracks completely.

Next, you can begin applying the concrete resurfacer. Again, use your trowel to spread the compound evenly over the entire surface of your patio. Work in small sections, and be sure to smooth out any bumps or lumps as you go.

Once you’ve covered the entire patio, let the resurfacer dry completely before walking on it or placing any furniture on it. With a little bit of elbow grease and some specialized materials, you can have your patio looking as good as new in no time!

Preparing the Surface: Cleaning and Removing Debris

It’s time to get your outdoor living area ready for a refreshing new look by giving it a deep clean and removing all debris. This step is crucial in ensuring that the new layer of concrete will adhere properly.

Begin by sweeping the patio with a broom to remove any loose debris, such as leaves and twigs. Then, use a power washer or hose with a high-pressure nozzle to blast away any dirt, grime, or stains that have accumulated over time. Be sure to wear protective gear, such as goggles and gloves, to avoid any injuries.

Next, it’s time to tackle any stubborn stains or marks that the power washer couldn’t remove. A solution of water and soap can do the trick for most stains. However, for tougher stains like oil or rust, you may need to use a specialized cleaner. Apply the cleaner according to the manufacturer’s instructions and let it sit for the recommended time. Then, scrub the area with a stiff-bristled brush and rinse it off with water.

Don’t forget to check for any cracks or holes in the patio and fill them in with concrete filler before moving on to the next step.

Lastly, make sure the patio is completely dry before proceeding. Use a squeegee or mop to remove any excess water and let it air dry for at least 24 hours. This step is crucial because any moisture left on the surface can prevent the new layer of concrete from bonding properly.

Once the patio is completely dry, you’re ready to move on to the next step of repairing the cracks and giving your patio a brand new look.

Filling the Cracks: Choosing the Right Type of Concrete Filler

Before giving your outdoor living area a fresh new look, it’s important to choose the right type of filler to repair any imperfections on the surface.

When it comes to filling cracks in a concrete patio, there are a few options available, each with its own set of pros and cons. Here are some things to consider when choosing the right type of concrete filler:

  • Epoxy fillers are a popular choice because they’re durable and long-lasting. They’re also resistant to water and chemicals, making them ideal for outdoor use. However, they can be more difficult to apply and require a longer curing time than other types of fillers.

  • Polyurethane fillers are easy to apply and dry quickly, making them a great option for small cracks. They’re also flexible, which means they can move with the concrete as it expands and contracts due to temperature changes. However, they’re not as durable as epoxy fillers and may need to be reapplied more frequently.

  • Cement-based fillers are a cost-effective option that can be easily mixed and applied. They’re also strong and durable, making them a good choice for larger cracks. However, they’re not as flexible as other types of fillers and may crack or shrink over time.

  • Silicone fillers are a good choice for small cracks and gaps. They’re easy to apply and dry quickly, and they’re also flexible and resistant to water. However, they’re not as durable as other types of fillers and may need to be reapplied more frequently.

By considering the pros and cons of each type of concrete filler, you can choose the one that best fits your needs and budget.

Once you’ve chosen the right filler, follow the manufacturer’s instructions for mixing and applying it to the cracks in your concrete patio.

Remember, repairing your cracked concrete patio is an investment in your home’s value and your outdoor living space. By choosing the right type of filler and taking the time to properly apply it, you can enjoy a beautiful, long-lasting patio for years to come.

Applying the Filler: Techniques for Smooth and Even Application

Now that you’ve chosen the perfect filler, let’s talk about how you can ensure a flawless finish on your outdoor living area, making it the envy of the neighborhood.

When it comes to applying the filler, it’s important to prepare the surface properly. Begin by cleaning the cracked area with a wire brush and removing any loose debris. Next, use a vacuum to remove any remaining dirt or dust. This will ensure that the filler adheres properly to the surface and prevents any further cracks from forming.

Once the surface is clean and dry, it’s time to apply the filler. Start by spreading a thin layer of filler into the crack, making sure to fill it completely. Use a putty knife to smooth out the filler and ensure that it is level with the surrounding concrete.

If the crack is deep, you may need to apply the filler in layers, allowing each layer to dry before applying the next. This will prevent the filler from sagging or cracking and ensure a smooth and even finish.

After applying the filler, allow it to dry according to the manufacturer’s instructions. Once dry, use a fine-grit sandpaper to smooth out any rough areas and ensure a seamless finish. You can then apply a concrete sealer to protect the surface from future damage and give it a polished look.

With these techniques, you can easily fix your cracked concrete patio and enjoy a beautiful outdoor living space for years to come.

Finishing Touches: Sanding, Sealing, and Painting

Don’t forget the final touches – sanding, sealing, and painting – to give your outdoor living area a polished and protected look.

After the filler has dried, use a coarse sandpaper to even out the surface of the patio. Make sure to wear a dust mask and eye protection while sanding. Once the surface is smooth, switch to a finer grit sandpaper to achieve a polished finish.

Next, apply a sealer to protect your newly repaired patio from water damage and stains. Choose a sealer that is specifically designed for concrete and follow the manufacturer’s instructions for application. Typically, the sealer will need to be applied in thin, even coats and allowed to dry completely before the patio can be used again.

Finally, consider painting the patio to give it a fresh look. Choose a paint that is designed for outdoor use and can withstand harsh weather conditions. Before painting, clean the surface of the patio thoroughly and let it dry completely. Apply the paint in thin, even coats and allow each coat to dry completely before applying the next one.

With these finishing touches, your cracked concrete patio will look as good as new and be ready for many more years of outdoor fun and relaxation.

Preventative Measures: Tips for Avoiding Future Cracks

To ensure the longevity of your outdoor living area, take preventative measures by regularly inspecting and maintaining the surface.

One of the most common causes of cracked concrete patios is water damage. To avoid this, ensure proper drainage around the patio and make sure any nearby downspouts are directed away from the area. Additionally, consider sealing the surface with a waterproof sealant to prevent moisture from seeping in.

Another way to prevent future cracks is to avoid heavy objects on the surface, such as heavy furniture or vehicles. These can cause stress on the concrete and lead to cracks over time. Instead, use lightweight furniture and avoid parking heavy vehicles on the patio.

Lastly, consider applying a protective coating to the surface, such as a concrete overlay or epoxy coating. This can add an extra layer of protection to the patio and prevent future cracks from forming.

By taking these preventative measures, you can enjoy your outdoor living space for years to come without worrying about cracks or damage.

Enjoying Your Newly Repaired Patio: Maintenance and Care Tips

Keep your outdoor living area in pristine condition and enjoy spending time in it with these helpful maintenance and care tips.

After repairing your cracked concrete patio, it’s crucial to keep it clean to prevent further damage. Regular sweeping and hosing down the surface can help remove dirt and debris that can wear down the patio over time.

To keep your patio looking its best, consider using a sealant to protect it from the elements. A sealant can help prevent water from seeping into the concrete and causing cracks. You can find sealants at most hardware stores and they’re easy to apply. Be sure to follow the manufacturer’s instructions for the best results.

In addition to regular cleaning and sealing, it’s important to be mindful of heavy furniture and equipment on your patio. Consider using furniture pads or coasters to prevent scratches and dents. Avoid dragging heavy items across the patio, as this can cause damage.

By following these tips, you can enjoy your newly repaired patio for years to come.


Congratulations! You’ve successfully repaired your cracked concrete patio, and it’s now as good as new.

Remember, it’s important to assess the damage and gather the necessary tools and materials before starting the repair process. Make sure to clean and prepare the surface properly, choose the right type of filler, and apply it evenly for a smooth finish.

After finishing the repair, don’t forget to sand, seal, and paint the surface for added protection and aesthetic appeal.

To prevent future cracks, be mindful of heavy objects and extreme temperatures on the surface, and consider adding a protective coating.

With proper maintenance and care, your patio will continue to provide a beautiful and functional outdoor space for years to come. Enjoy!

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