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One of the most common questions when it comes to the installation of epoxy flooring is whether it can be applied over the old concrete or not. You may find that in some cases it is possible, but you have to keep in mind that the concrete should be well prepared in order to ensure that your resin coating will adhere properly.

Although there are different DIY techniques for this, the only way to avoid costly repairs is to hire a team of professionals who will inspect the site and suggest the best solution for epoxy flooring installation over your old concrete. No matter if you want to apply an epoxy coating to achieve a glossy finish of your floor, or the surface simply needs to be refurbished after years of use, we will give our best to explain in which cases you can instal resin layer over the old concrete. 

The Floor Has to Be Stain-Free

The first step you should take is to remove all stains for your existing concrete flooring and scrape all debris. Although this might not seem like a complicated task, you shouldn’t forget that areas like corners might be hard to reach. You will have to inspect the entire surface thoroughly because this is the only way to ensure that the concrete surface will be prepared for the cleaner that needs to be applied before the epoxy coating.

Double-Check for Moisture

If your old concrete is too damp, you have to know that it will not be able to accept the new coating. Since this is very important, you will have to be sure that you have checked for moisture properly. This process might last up to 24 hours in case you decide to tape a piece of plastic over the section of the floor and seal all edges to see whether there will be condensation. In case you realise there is water on plastic, you will need professional assistance to remedy the moisture issue before installing the epoxy flooring. 

Professional Floor Preparation Is The Key

It is obvious that it is possible to install epoxy flooring over the old concrete, but as you can see, surface preparation is the most important step of the process. Whether it is cleaning of greasy stains, scraping debris, or moisture inspection, the old concrete needs to be well prepared before the application of epoxy coating starts. It is not as simple as it seems and diamond grinding and shot blasting play a major role in whether the installation of the resin floor will be successful or not. 

When You Shouldn’t Apply Epoxy Flooring Over the Old Surface?

In case there is floor paint on your existing concrete, you shouldn’t apply a new epoxy coating until it is completely removed. This is not a good base for epoxy, and it has to be completely removed if you want your new resin flooring to adhere successfully. Also, if there are concrete sealers that are peeling off, installation of epoxy flooring over it will be a failure. If you are not sure whether your old concrete is suitable for epoxy coating application or not, we suggest you contact flooring experts so they can provide a professional estimate.

Don’t Forget to Apply Protective Top Coat

When you have finally managed to make your old concrete look as good as new, you should consider applying a quality top coating that will protect the epoxy flooring for a long time. There are many different options available on market, so you will be able to choose the one that suits your needs and your budget perfectly. No matter if it is a commercial or residential property, top coating is always a good investment because it is water-resistant, non-toxic, and chemical-resistant so you can rest assured that your flooring will not degrade back to the damaged state.

Are You Ready to Give Your Old Concrete a New Life?

As you can see, it is possible to install epoxy flooring over the old concrete, but in most cases, you will need help from experienced flooring specialists to prepare the surface well and achieve the desired effect. Epoxy coatings come in various colours and styles, and no matter if it is a warehouse, a garage or the interior of your home, you will be able to completely change the look of your worn-out flooring.

Just in case you don’t know who to call – you can always count on Diamond Grind concrete and epoxy flooring contractors. We have been serving Sydney and even the interstate areas for many years and successfully dealt with all the challenges that refurbishment of the old concrete flooring brings. Our goal is to create floors that last, and because of that we use only high-quality products and possess all necessary equipment to provide first-class service for properties of any size and purpose.