Polished Concrete Vs Grind & Seal [Comparison]

polished vs grinded

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Are you looking into getting a polished concrete floor for your home or place of business?

There are two different types of polished concrete, as well as a large variety of finishes available for you to choose from. All these choices will affect the look, the cost, and the quality of your finished concrete floor.

Here’s some information to help you decide which one will work best for you.

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Types Of Concrete Polishing: Grind & Seal & True Mechanical Polished Concrete

Let’s talk about the main differences and advantages of each type, so you can make a better choice for your needs.

Grind and Seal

With the grind and seal method, we grind down the top surface of the concrete to show you as little or as much stone as you want to see. These levels range from nil to minimum random, to full exposure.

Grind and Seal Options

Then we seal it with your choice of matte, semi-gloss, or high-gloss sealer. There are also different types of sealers: water-based, solvent-based, UV stable, and we can also use other options such as an acrylic coating, or a polyaspartic coating.

Polyaspartics are a newer type of coating, introduced in the 1990s. Their benefits include a faster set-up time (less downtime means polyaspartic cures faster, and you can use your floor again with less waiting time).

Environmentally Friendly

They also form a strong scratch-resistant bond to your floor. Since most polyaspartics are made with 100% solids, they have few or no VOCs at all. This means they’re greener and good for the environment. This is good for home or business and good for the planet.

These choices are made depending on your needs…such as where they will be used and your desired life-expectancy requirements.

Where To Grind and Seal

The grind and seal method is a great option for any indoor floor, whether it’s a living area, kitchen, garage area, workspace, basement, or rec room. It can even be upgraded and beautified to use in places where presentation matters, such as a formal dining room.

Because it can be designed as beautiful, practical, or both, the grind and seal method is also a great choice for many business spaces, ranging from fine hotel lobbies to auto showrooms to machine shops. Virtually any space can benefit from the right flooring.

How Long It Lasts

Our grind and seal method is extremely durable and is water and stain-resistant. But it is a topical sealant and needs to be sanded back and re-coated every 3 to 10 years, depending on the product you apply, and the amount of traffic and type of usage your floor sees.


The grind and seal floor gives you a lower up-front cost than the mechanically polished concrete but will cost you more in the long run because of the re-applying of the topcoat and periodic maintenance needed as time goes on.

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Mechanically Polished Concrete

We start with the same process. We grind back the top of the concrete to give you the look and the amount of stone you desire to see on your finished floor. Then we grout the floor and continue to polish the floor while adding hardening agents. It is a longer, costlier process, but does give a much longer-lasting finished floor.

Polished Concrete Options

With a mechanically polished floor for a high traffic space, you still have the same choices of your finished sheen: A matte, semi-gloss, or high-gloss sealed finish, and a choice of the amount of stone that you’d like to see…nil, minimum-random, or full-stone exposure.

To see an example of what your finished floor might look like, please feel free to ask us for some “before-and-after” pictures of different stone exposure levels.

Time To Install

A full stone exposure floor takes longer to grind just as a high-gloss finish floor takes longer to polish to perfection. Therefore, these options will cost you just a little bit extra. The amount of time the job will take to complete is based on size and how many passes it will take with a concrete diamond grinding machine as well as the condition of the floor and amount of concrete preparation necessary.

Where To Apply

Mechanically polished concrete is great for indoor surfaces, but we don’t recommend it for the outdoors. It can be a bit slippery when wet, and if liquid happens to pool up on the surface for extended periods, it can cause damage to your floor’s finish.


Since the shine from mechanically polished concrete comes from the concrete itself, there is no coating to scratch and wear out. These are some of the most durable floors that exist.

Grind and Seal Vs Polished Concrete

With grind and seal floors, scratching, scuffing, and general wear-and-tear are just a part of life. This nearly always happens and is just an issue that we all generally must contend with. If you need a floor for very heavy machinery that takes a huge beating, a true mechanical polish is probably a better option.

Call JDL Surface Innovations For Polished Concrete Or Grind and Seal Today

What does this mean to you? When you choose mechanically polished flooring, your upkeep and maintenance will be kept to a minimum throughout the life of your floor. It is the easiest, longest-lasting, and most economical choice in the long run.

Mechanically polished concrete flooring is a favorite and popular choice in many high-end homes and shops. It is also a preferred choice in many large spaces that need a durable, strong, and elegant floor, such as big-name department stores.

If you would like more information and help to decide which type of flooring will work best for your space, talk to us at JDL Surface Innovations right here in Cape Coral.

Our showroom is located at 922 SE 14th Pl. Cape Coral, FL, US 33990. We are here to help and glad to hear from you anytime you need us!

Thank you, from the team at JDL Surface Innovations.

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