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How to Polish Concrete

Get Yourself A Perfect Slab.


Here at the Skyco Group, we are often asked about the process involved in polishing concrete. This procedure, though not always simple, can be done both professionally and at home with the right guidance. In this blog post, we’re all set to take you on a guided tour, meticulously breaking down each step in the captivating journey of concrete polishing. Strapped in and ready for a deep dive into the world of concrete transformations? Let’s get started!

Table of Contents

Ready to transform a drab concrete floor into a sparkling masterpiece? Let’s dive in!

Moreover, we will answer some frequently asked questions related to concrete polishing. As per the latest data from the Australian Bureau of Statistics, it turns out that nearly three quarters of Aussie homes are getting cosy with some variety of concrete flooring. Can you believe it? Last year alone, a whopping 75% of households were stepping out on these robust and stylish surfaces.

This figure highlights the importance of learning how to properly maintain and enhance these surfaces.

What You Will Need

Polishing concrete isn’t something you can do with just any old tools lying around in your shed. You’re going to need some specific equipment. Here’s what you’ll require:

  1. Concrete grinder
  2. Diamond abrasives
  3. Concrete densifier
  4. Polishing pads
  5. Concrete sealer

Step-by-Step Guide to Polishing Concrete

Step 1: Preparation

Before you begin, you’ll need to prep the concrete surface. This means cleaning it thoroughly to remove any dirt, oil, or other contaminants. You can find a comprehensive guide on how to clean your concrete.

Step 2: Grinding

Next, use the concrete grinder fitted with a diamond abrasive to grind down the surface. Be sure to start with a lower grit and work your way up to achieve a smooth finish.

Step 3: Densification

Following the initial grinding, you will need to apply a concrete densifier. This product helps to harden the concrete, making it more durable and resistant to wear.

Step 4: Final Polish

Once the densifier has dried, it’s time for the final polish. You’ll use a higher grit diamond abrasive for this step. The aim here is to achieve a high gloss finish.

Step 5: Sealing

The final step in the process is to seal the concrete. This provides a protective layer that can help prevent stains and other damage.

If you ever find yourself needing a helping hand navigating these steps, don’t fret. Our friendly team at Skyco Group is only a call away. Alternatively, you can mosey on over to our Services page for a bit more insight. We’re here to help!

A Deeper Look at the Process

Understanding Your Tools and Materials

It’s worth spending a bit more time delving into what each tool and product does in the concrete polishing process. The concrete grinder is your primary tool, and it’s used to physically grind down the surface of the concrete. These machines use heavy-duty diamond grinding pads, which come in a variety of grit levels. As a rule of thumb, lower grit levels (around 30 grit) are used at the start of the process to remove any surface inconsistencies. Higher grit levels (up to 3000 grit) are used towards the end to provide a high-gloss finish.

The concrete densifier is a chemical solution applied after the initial grinding process. It’s a vital part of the process, as it penetrates into the concrete and reacts with the free lime and calcium in the concrete to harden and densify the surface. This increases the strength and durability of the concrete, preparing it for the final polishing stages.

Polishing pads are attached to the concrete grinder for the final polishing steps. These are generally made from resin and embedded with diamond grit for extra shine.

Lastly, concrete sealers provide a protective layer over your freshly polished concrete. They’re essential for maintaining the longevity and lustre of your floor, protecting it against water, oil, grease, and other contaminants.

Polishing Techniques

Concrete polishing is as much an art as it is a science. The technique you use will significantly impact the quality of the finished product. Starting with a lower grit abrasive, you’ll make several passes over the concrete, progressively using higher grit levels. Think of this process as if you’re sanding a piece of timber. You’d start off with coarse-grit sandpaper to tackle the significant blemishes, wouldn’t you? Then, bit by bit, you’d swap to finer-grit paper to work your way towards that perfectly smooth surface. Polishing concrete is a similar dance – it’s all about transitioning gradually and patiently working your way to that smooth-as-silk finish.

Remember to move the grinder evenly across the surface to ensure a consistent polish.

During the densification stage, make sure the densifier is applied liberally and allowed to dry thoroughly. This gives the densifier ample time to penetrate the concrete and trigger the hardening process.

As you round the final bend and enter the home straight – the last stage of polishing – it’s time to swap out for a high-grit abrasive pad. This is the magic wand that will bring out that high-definition shine from your concrete floor. Just hang in there, you’re almost at the finish line!

Now, don’t rush it. Go over the concrete, one pass at a time, adding layer upon layer of smoothness and shine. Keep at it until you’ve coaxed out the level of shine you’ve been dreaming of from your concrete floor. It’s a game of patience, but the gleaming finish is well worth the effort.

This stage is where the real transformation happens, and the dull concrete slab turns into a beautiful, glossy floor.

Maintenance and Troubleshooting

Once your concrete is polished and sealed, it’s crucial to maintain it properly to preserve its shine and prolong its lifespan. Regular sweeping or vacuuming will help keep the surface free from dirt and grit that can scratch the surface. For deeper cleaning, use a pH-neutral cleaner that won’t harm the sealer.

If you notice dull spots or minor scratches over time, these can often be fixed with a high grit diamond pad and a bit of elbow grease. Major issues, like deep scratches or chips, may require more substantial repairs. In these cases, consider consulting a professional.


Polishing concrete might initially loom like a bit of a Goliath, a challenging task that could set your palms sweating. But let’s not get spooked just yet! Equipping yourself with the right knowledge, like from the Australian Government’s Guide to Home Improvements and utilising the proper tools as mentioned in the Safe Work Australia Guidelines, and you’ll soon see that this so-called mountain of concrete polishing is more of a molehill. You’re setting out on an adventure that’s absolutely within your abilities to master! So, it’s time to buckle up, tool belt at the ready, and hit the road to a spectacular concrete transformation.

Don’t hesitate to reach out to the Skyco Group if you need any assistance or advice on your concrete polishing journey.

Frequently Asked Questions

Q1: How Long Does Concrete Polishing Take?
A: The duration of the process largely depends on the size of the space and the condition of the concrete. It can take anywhere from a few hours to a few days.

Q2: Can All Concrete Be Polished?
A: Most concrete surfaces can be polished. However, they must be structurally sound and free of certain defects. Learn more about this on our Concrete Care page.

Q3: How Do I Maintain My Polished Concrete?
A: Polished concrete is relatively low maintenance. Regular sweeping and occasional wet mopping with a pH-neutral cleaner should keep it in good condition.

Q4: What Are The Benefits Of Polishing Concrete?
A: Polishing concrete can enhance its appearance, increase its durability, and make it easier to maintain. For more information, visit our Benefits of Polished Concrete page.

Author : SEO Pir2

Published Date : July, 12 2023

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