Choosing the right grout for your porcelain stoneware tiles

July 2, 2024

Choosing the right grout is a step that is often overlooked when laying porcelain stoneware tiles, yet it is fundamental to the finish and durability of your covering. Grout fills the joints between the tiles, making the surface watertight and preventing dirt and damp from seeping through. It also plays an important aesthetic role, defining the style and ambience of your room. Here's how to choose the right grout for your porcelain stoneware tiles.

Different types of grout for porcelain stoneware

There are two main categories of grout for porcelain stoneware.

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Cementitious grouts

These are the most common and the most affordable. They are composed of cement, sand, pigments and additives. They are available in a wide range of colours and can be used for all types of joints, from the finest to the widest. Click here if you need advice on choosing your porcelain stoneware.

Epoxy grouts

More resistant and easier to clean than cementitious grouts, they are also more expensive. They are often recommended for wet areas such as bathrooms and kitchens. Epoxy grouts are generally available in a more limited range of colours than cementitious grouts.

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Choosing the grout colour

The colour of the grout is an important choice that can significantly influence the look of your flooring. If your aim is to achieve a discreet, minimalist look, opt for grout in the same colour as your tiles. This will create a uniform, elegant surface.

If you'd rather add a touch of contrast, choose a grout that's darker or lighter than your tiles. This will make the tiles stand out and give your room character. But you can also go for a bolder look, by opting for a brightly coloured grout. This will add a touch of personality to your decor.

Other factors to consider

When choosing your grout, there are other important factors to consider too.

Joint width

Cement grouts with sand are recommended for joints of 3 mm or more, while grouts without sand are better suited to thinner joints.

The type of surface

For floors, it is important to choose a grout that is resistant to knocks and scratches. For walls, a more decorative grout can be used.

Ease of maintenance

Epoxy grouts are generally easier to clean than cementitious grouts. Porous and sensitive to stains, they easily absorb liquids and dirt, leaving stubborn marks and requiring frequent, rigorous cleaning, especially in areas prone to splashes such as the kitchen or bathroom.

Tips for grouting

Prepare the surface: Make sure the joints are clean and dry before applying the grout. Then :

  • mix the grout according to the manufacturer's instructions;
  • apply the grout diagonally to the joints;
  • remove excess grout with a damp sponge;
  • let the grout dry completely before walking on the floor or walls.

Choosing the right grout for your porcelain stoneware tiles may seem like a daunting task, but by following these tips, you'll be able to make an informed choice that will enable you to create a long-lasting, aesthetically pleasing covering. Don't hesitate to ask a professional for advice if you need help.