Maintain a concrete worktop

Maintain a concrete worktop

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Decorative concrete is one of the strongest materials but, contrary to popular belief, it is also as sensitive to stains and porosities as other surfaces. Ideal for giving a mineral style to your work plan and your kitchen, it requires regular maintenance. , in collaboration with Delphine Allemande, technical manager in charge of product research and development at Mercadier, the concrete specialist, gives you the tips to keep the shine of your concrete.

Before talking about maintenance, what is the first advice when laying concrete?

Putting concrete on your work surface is a very important moment. It must be done with great care. The manufacturer provides a sufficient dose of varnish to cover the entire work surface and especially to follow the manufacturer's instructions at that time because improper varnish application is "poorly closed" concrete, it is that is to say a concrete poorly protected against porosities, dirt and stains. Then the drying must be optimal so that the protective layers have time to form.

What material does concrete come close to?

Concrete maintenance is similar to wood maintenance. It is a more resistant material but also more porous. It is stain resistant when, I repeat, the layer of varnish is well laid. But on a daily basis, its maintenance is easy. A simple sponge with hot water is enough to clean the concrete. At Mercadier, we carry out numerous tests with products such as wine, vinegar or beet for example, to test the resistance of our concretes. It turns out that if you regularly clean your work plan, it will remain intact.

What do not do on this surface?

It is not recommended to cut food directly from the concrete, to use the scraping side of the sponge or to place a very hot dish. Concrete does not support grease. If there is a hole in the varnish, the grease will find it and then it will be too late. Greasy stains permeate very quickly. Also pay attention to the use of overly aggressive cleaning products and the stagnation of water in places. This could whiten the varnish. There it is more a question of aesthetics.

What is the most suitable maintenance?

Concrete has no joint, so it avoids some hassle. You can use carnauba-based waxes (the wax from palm leaves) to fill the small holes and protect the film from varnish or organic cleaning products to degrease. But of course what will help maintain your work plan in the long term remains the varnish. It must be refinished every 2 or 3 years. To do this, sand the encrusted dirt a little, clean and apply the new varnish. Solvent-based varnishes are more effective than water-based varnishes and they do not change the mineral appearance of concrete.


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