How to Properly Grind and Seal Concrete Floor?

The term grind and seal concrete floor describes the system of applying a protective and transparent coating to concrete floors. The top layer of concrete is grinded back to show as little or as much stone as the client desires. This procedure involves grinding and then sealing the floors. The eradication of any scratches or impurities in the surface layer of any concrete is what grinding does. It is accomplished by using high power concrete grinders that can rapidly and efficiently saturate the surface of the concrete with scratches. You can choose to use finer diamonds to remove visible scratching and get a flat surface ready for coating once the right level of stone exposure has been achieved. Finally, a protective sealer will be used as a floor finish. This sealer can be a matte, semi-gloss or high gloss.

Concrete Grinding and Sealing: A Cost-effective Method of Revitalising a Floor

Currently, grind and seal concrete floor is the vogue. From trendy residences to beautiful cafes and amazing stores, it appears that everyone is having it. Even individuals and organisations with old, deteriorating concrete floors are seeking to join the trend by resurfacing their floors with new, fashionable concrete surfaces. Does this, however, need the money and effort of installing a new concrete floor? Certainly not!

concrete grinding and sealing is an inventive and cost-effective method for revitalising ageing concrete floors. Over time, a concrete surface may begin to deteriorate and finish issues may arise. These concerns, however, are often limited to affecting the slab’s surface. The concrete that has been dormant lower down may still be of an acceptable grade.

Concrete grinding and sealing process eliminates the top, aged layer of a concrete floor, leaving behind a surface that appears revitalised. And, we are pleased to announce that this process is quite cost-effective; grinding and sealing an old surface might wind up costing a mere fraction of the price of a new floor, with a virtually identical result.

Find out more about grinding and sealing a concrete floor, as well as the answers to all of your pressing concerns about grinding and sealing.



The first step to grind and seal concrete floor is to grind away any existing coatings or impurities such as grease and dirt and begin to smooth the surface of the floor. Filled and patched at this time are any bigger holes, divots and expansion joints. Grinding also permits for adherence between your concrete and the concrete stain and/or sealer.


Staining or colouring your concrete is optional. This allows you to ensure that your floor’s appearance will match the theme or colour-scheme of the room.


A sealer is put on to safeguard and enhance the beauty and durability of your new concrete floor. Bona fide sealers will withstand stains from most industrial chemicals. Offering a lifetime warranty against peeling and yellowing is just one of the qualities of the sealers.

The resulting outcome of this is polished concrete. These are highly sought-after flooring options in any building or commercial space because of their uniqueness and effectiveness.

What Does it Cost for a Grind and Seal Concrete Floor?

The cost per square metre of concrete grinding and sealing is significantly less than the cost of a new concrete surface. It can even be less expensive than other so-called inexpensive flooring options, such as carpet and tile. However, there is no fixed price for the service due to the numerous factors involved. Among the variables that can affect the price are:

Manpower and Equipment

Every concrete grinding and sealing project will necessitate concrete grinders capable of mechanically grinding down existing concrete floors. Depending on the state of the current surface, the duration and cost of this process can vary. A moderately undamaged floor may require only a few millimetres of surface grinding, whereas a more damaged floor will require more effort.

Designs Available

When selecting a grind and seal finish, there are numerous design possibilities available. At your feet is a universe of beautiful choices. You have control over the appearance of the final product, from the colour and aggregate to the shine. These considerations will affect the total cost of the project.

Difficulties On-Site

Some sites are easier to work on than others. A particularly tough site might cause delays and complications, which can affect the cost of grind and seal concrete floor. If, for example, the location is difficult to reach or the surface requires repairs before work can begin, the cost of the service will increase.

Grind and Seal Concrete Floor: Can You Do It on Your Own?

Some building tasks are simple and efficient to perform on your own. However, grinding and sealing concrete is not one of these simple procedures. Concrete grinding and polishing as a DIY project are strongly discouraged for reasons of health and safety, as well as for the sake of producing a quality product.

Obtaining a uniform concrete grind demands the acquisition and mastery of pricey specialised equipment. They’re heavy and powerful; if you don’t know how to use them, it’s not only harmful to your flooring but also your life.

The grinding of a concrete floor should only be performed by skilled professionals. Concrete sealing services Sydney, for instance, have spent years refining the methods. If you’re interested, our team will be pleased to explain the process in greater depth and help you understand how complex and challenging grinding and sealing a concrete floor may be.

Polished Concrete Floor vs Grind and Seal Concrete Floor

Some clients may refer to concrete grinding and sealing as polished concrete. Despite their similarities, these two processes are separate. It is essential to understand the client’s desires and explain the differences between polishing and sealing.

Polished concrete is often a concrete floor with a shinier final appearance. A grind and polish method may be slightly more durable, but it’s usually not worth the cost unless the client specifically requests a highly polished appearance.

This procedure uses a densifier to harden the surface of the concrete in order to produce polished concrete. The surface is then aggressively polished with a diamond abrasive tool to achieve the lustrous quality desired by some consumers. A polish guard seal is then applied to give polished concrete its lustre.

If the client desires a high-shine floor but their concrete is in good condition, it’s possible to select an epoxy seal that offers the desired amount of shine without the need of a densifier or polish guard materials.

When deciding between polished concrete and grind and seal concrete floor, it is advisable to show the customer what the floor’s finish would look like with both alternatives and let them make the final decision.

Grind and Seal Concrete Floor Benefits

Grind and seal concrete floor can provide countless benefits and will certainly be worth the money you will invest in.

Saves Money

To attain your desired appearance and finish with the proper sealer, fewer grinding steps are required. It also never needs to be buffed or achieve burnished concrete, which saves you even more.


grind and seal concrete floor has a natural beauty that few other floors can match. Working with a company with an advanced flooring system will give you a stunning surface that lasts.

Easy to Clean

Our grind and seal concrete floor are much easier to keep clean than unsealed concrete and even polished floors with an acrylic sealer, decreasing expenses by requiring fewer labor hours and a portion of the chemicals you’re currently using to clean.

Stain Resistant

Compared to acrylic sealers, which do not grip up well to acid, the proper sealer resists stains from nearly any industrial chemical. Not only does it preserve the finish, but the concrete itself.


The genuine seal coating delivers a solid finish that holds up extraordinarily well, even in high-traffic areas.


The floor goes through assessment and procedure and passes the requirements for slip resistance; the grip can be further increased with the inclusion of grip-enhancing additives if desired.

There are other benefits you can notice if you invest in one. Grind and seal concrete floor are becoming popular as one of the top options for residential or business properties.

Here are some professional advice for you to remember if you are considering to do the project yourself:

1. Opting for Low Price Tools

We tend to go for the cheapest options when we may find ourselves on a budget but if you are looking for the best outcomes then you should spend on the right tools instead of spending it on cheap tools in the long run spend more on repairs because you now are faced with a subpar result due to the tools you used. So think about the long-term effects of the materials and tools you use and set the right budget for it so that you won’t have to worry about unnecessary expenditures in the future.

2. Failing to Understand the Correct Process

Understanding what the actual grind and seal concrete floor process requires and how to achieve your desired results will help you determine how to get the exact finish you desire. There are ways for you to study and follow instructions on how it works but you need to make sure to check your sources first. To make sure that you are getting the proper information read reliable sources. This is critical to any project like this because if you follow the misguided instructions then you will find yourself on the wrong end of the project and will eventually waste money, energy and time.

3. Not Inspecting the Floor Before Starting

Make sure you examine the floors for anything above grade and either cut off, hand grind to level or smack with a hammer to knock below grade. After you get rid of the above-grade issues, you can grind it along with the concrete resulting in an interesting detail that adds to the personality of the floor.

Why Choose Us?

With years of being in business, Renucrete has become the master of flooring projects. From your grind and seal concrete floor projects to concrete honing Sydney, we can do various projects depending on what you need. We can assure you that only trained, and highly skilled professionals are employed here that will do your projects. If you have any questions or inquiries, explore our official website or contact us so we can directly answer them.


Get in touch with RenuCrete for more information about our Sydney Western Suburbs and surrounds concrete polishing services. Call 0410 223 300.

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