Best Garage Concrete Sealer: For Garage Floors and Driveways

Most garages have concrete floors. As time passes, these concrete floors begin to get damaged, and a bit roughed up. Every so often, you need to perform some maintenance to ensure that they remain strong, durable, and usable.

Best Garage Concrete Sealer

In this short buying guide, you’ll learn about the best garage concrete sealer, and how you can use this type of sealer to maintain the concrete floor of your garage adequately.

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What Type Of Sealer Is The Best?

This is a multi-faceted question, because there are some different sealers, and each one has its own distinct advantages and disadvantages. However, the one that is most effective is something known as a “penetrating sealer.”

What Is A Penetrating Sealer?

Penetrating sealers are sealers such as silicates, silanes, siliconates, and siloxane. These are very popular because they’re affordable and they bring many benefits to your garage’s concrete floor.

How they work is they penetrate the individual pores of the concrete floor. And then, they seal those pores.

By doing this, it ensures that the garage floor is less prone to being damaged by intense temperatures. Specifically, freezing temperatures. Using a penetrating sealer, you won’t have to worry about things like freeze-thawing. They can also prevent dirt build-up and things like mold and mildew from forming since they penetrate the pores where those kinds of problems tend to originate from.

For Garage Floors and Driveways

Silicate Penetrating Sealer

Using a silicate penetrating sealer can be a really great choice because this particular sealer is great at strengthening the overall surface of your garage floor.

While different penetrating sealers do different things, each one of them is designed to strengthen the overall durability of the garage floor. But, it just so happens that silicates tend to do this better than the other penetrating sealers.

This is because the chemicals in silicates prevent moisture from getting into the pores of the floor. They also prevent things like dust from getting in, which strengthens the entirety of the floor.

If you want to prevent moisture damage/degradation, then this is a fantastic sealer for that purpose!

Garage Concrete Sealer

Silane Penetrating Sealer

Similar to silicate penetrating sealer, silane penetrating sealer is designed to enter the pores and to reduce and restrict the presence of moisture thoroughly.

With the hydrophobic barrier that is created, you have a great deal of protection from things like flooding and other types of weather and moisture damage.

However, silicate tends to alter, if only slightly, the appearance of your garage floor. Fortunately, this particular sealer allows you to paint it. So, if you want to paint your garage floor pink or blue, you can do so, even after having used this sealer.

Concrete Sealer

Siliconate Penetrating Sealer

More often than not, siliconate penetrating sealers are water-based – this means that they don’t emit a nasty odor – and they are designed to be used with concrete that isn’t as thick. For garage floors, this may not be particularly ideal, but it is still a very valid option.

One of the things that people like about siliconate penetrating sealer is that it works on concrete, as well as stone, and sometimes other materials, too.

When you use a siliconate penetrating sealer, it doesn’t leave behind any stains or coating. This is nice if you want to make sure that your floor looks the same after you’ve sealed it up.

Once again, it does the same things as the other penetrating sealers, but it also works a lot better with things like mold and mildew. Preventing them from growing or, if they are already there, expanding.

Garage Sealer

Siloxane Penetrating Sealer

Siloxane penetrating sealer is another water-based penetrating sealer. When it enters the pores of your concrete floor, it forms a series of chemical bonds. And these bonds form a very strong hydrophobic bond.

These bonds are very durable, and they last a long time. So, if you use siloxane penetrating sealer on your garage floor, you won’t need to perform another sealing treatment for a number of years.

This particular bond prevents against cracking, staining, moisture damage, and the growth of things like mold and algae.

Garage Floor Sealer


When sealing the concrete floor of your garage, your best choice is using a penetrative sealer. Specifically, one of the four mentioned above. And this is because the chemicals in these concrete sealers create a series of very strong bonds between themselves and the concrete. This bond serves as a barrier between things like water and other nasty chemicals, which is a great aid in preventing against the most common types of damage.

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