Select Page
person sealing concrete garage floor with paint roller

Pros and Cons of Sealing a Garage Floor

Are you considering sealing your garage floor, but you’re not quite sure if it’s the right move for you? Sealing your garage floor can provide a number of benefits, such as protecting it from stains and spills, enhancing its appearance, and increasing its durability. But is it really worth the investment? In this blog post, we’ll take a closer look at the pros and cons of sealing garage floors, so you can make an informed decision.

We’ll explore the advantages of sealing your garage floor, such as improved resistance to chemicals and abrasions, and reduced maintenance. We’ll also look at the potential downsides, such as the upfront cost, the need for proper surface preparation, and the risk of delamination.

So, whether you’re a DIY enthusiast looking to tackle a new project or a homeowner considering professional sealing services, keep reading to learn everything you need to know about sealing your garage floor.


Sealing your garage floor can be a smart investment to protect it from damage and extend its lifespan.  By creating a barrier against wear and tear, as well as stains and spills, a quality sealant can keep your garage floor looking new and make it easier to clean.

Improves Appearance

Sealing your garage floor not only provides practical benefits but can also be a game-changer for the overall appearance of your garage. Just imagine, a sleek and polished surface that complements the aesthetic of your home, giving you a sense of pride every time you enter your garage.

With a wide range of finishes to choose from, you can opt for a high-gloss finish for a modern look or a matte finish for a more traditional vibe. The best part? The improved appearance of your garage floor lasts for years to come, ensuring you can enjoy your beautiful space for longer!

BEHR options for concrete sealer finishes

Increases Durability

If you’re someone who takes pride in keeping their garage clean and organized, you know how important it is to maintain the condition of your garage floor. However, without proper protection, your garage floor is vulnerable to wear and tear from oil spills, tire marks, and other types of abrasions that can cause cracks, chips, or erosion over time. This is where a garage floor sealant comes in. By creating a barrier between your garage floor and potential damage, a quality sealant provides increased protection and longevity to your garage floor.

Not only does it keep your garage floor looking new and clean for years to come, but it also makes cleaning a breeze. With a sealed garage floor, you can say goodbye to stubborn stains and spend more time enjoying your garage rather than cleaning it. Overall, the protection provided by a garage floor sealant is an absolute must-have for any garage owner looking to maintain their garage floor’s condition and save time and money in the long run.

cracked unsealed concrete vs smooth sealed concrete

Prevents Moisture Buildup

If you live in a humid climate, moisture buildup in your garage is an ongoing concern. Not only can it cause mold and mildew growth, but it can also create a damp and unpleasant atmosphere. By sealing your garage floor, you can effectively prevent moisture from seeping into the concrete and causing these problems. Sealing creates a barrier that repels moisture and keeps it on the surface of your garage floor where it can easily be wiped away. This is especially important if you use your garage for more than just parking your car. Whether you use it as a workshop, storage space, or a place to relax, a sealed garage floor ensures a dry and comfortable environment.


While sealing your garage floor has several benefits, there are also some downsides that should be considered before making the decision to invest in a garage floor sealer.


Sealing your garage floor can come at a hefty cost. Quality floor sealers that do a good job aren’t cheap. In addition, if you opt to hire a professional to do the job, it’ll add even more to the job.  You’ll have to weigh the initial cost against the benefits listed above to determine if the investment is worth it to you long term.   

May Require Additional Maintenance

Another potential downside of sealing your garage floor is that it may require regular maintenance to keep it in top shape. While a good sealer will protect your garage floor from stains, spills, and other forms of damage, over time the sealant can wear down or even chip away. If this happens, your garage floor may be left vulnerable to damage once again.

Depending on the type of sealer you choose, you may need to reapply it every few years to maintain its effectiveness. This means that the initial investment in sealing your garage floor may be just the beginning of a long-term commitment to maintaining its protection.

Can Make Floor Slippery

Some types of sealers can create a slippery surface, which can pose a safety hazard, especially for children and elderly individuals. Additionally, slippery floors can increase the risk of injury if heavy or sharp objects are dropped on them. To mitigate this risk, it’s important to choose a slip-resistant sealer or add a non-slip additive to the sealer to improve traction. It’s also essential to exercise caution when walking on a freshly sealed garage floor.

wet concrete with caution sign

Time Consuming

Applying a floor sealer to your garage can be a time-consuming process, especially if you have a particularly large space to seal. If you decide to move forward and make the investment, don’t cut corners and do an inferior job. Make sure you complete the project by following the manufacturer’s recommendations.


In conclusion, sealing your garage floor comes with several benefits, such as protecting against stains, increasing durability, improving appearance, and preventing moisture buildup. However, it’s important to consider the potential drawbacks, such as the cost, maintenance, slipperiness, and time commitment. If you do decide to seal your garage floor, make sure to choose a high-quality sealer that suits your needs and follow the manufacturer’s instructions for application and maintenance. 

Sealing your garage floor is a smart investment that can pay off in the long run, protecting your garage floor and giving it a polished, professional look.