Handmade terracotta tiles are more than just floor or wall coverings – they are a living material that ages with the room and develops character over time. Due to their naturally open-pored structure, proper sealing is essential to preserve their beauty and functionality in the long term. In this article, you will learn everything about suitable sealers, correct application, and proven tips from practice.
Why is sealing terracotta tiles so important
Handmade terracotta tiles consist of a porous natural material that easily absorbs liquids and dirt. Without proper treatment, stains or permanent discolorations can quickly appear. This is why sealing terracotta tiles is an indispensable step during installation and for sustainable care.
What does sealing terracotta tiles actually mean?
In contrast to a surface coating, which forms a closed layer, an impregnation penetrates deep into the material and protects it from within. The natural structure and color of the tiles are preserved, while the surface remains breathable. This natural protective treatment for terracotta maintains the authentic character of the material.
Types of terracotta impregnation – wax, oil, or modern sealers
Depending on the area of use and the desired effect, different types of impregnation are available:
Natural impregnations
Based on beeswax, vegetable oils, or traditional soaps. These agents not only provide protection but also enhance the color tone of the tiles – giving them a warm appearance and often a “wet effect.” They are ideal for interiors such as living areas, walls, or rustic kitchens. However, they require regular renewal.
Technical (chemical) impregnations
Based on silanes or siloxanes. Particularly suitable for heavily used areas such as bathrooms, kitchens, terraces, or staircases, as they create an effective and long-lasting barrier against moisture and dirt. They hardly alter the appearance of the tiles.
Important to know: Each type of impregnation can be used both indoors and outdoors. Ultimately, the choice depends on the look you prefer – whether you want to maintain the natural, light tone or achieve a richer, darker appearance with more depth.
When and how should terracotta tiles be impregnated
The best approach is to carry out the impregnation in two steps: first before grouting, and then again after grouting.
- Before grouting, the impregnation acts as a protective layer, preventing the grout from deeply penetrating the open-pored surface of the tile. This makes it much easier to remove residues and simplifies cleaning significantly.
- After grouting, a second application is recommended – not only on the tiles but also on the joints themselves. This way, the entire surface is permanently protected against moisture and dirt.
The steps at a glance:
- Thoroughly clean the surface, vacuum dust, remove any adhesive residues if necessary, and allow it to dry completely.
- First impregnation before grouting: Apply the product evenly with a brush, sponge, or roller.
- Depending on the product, allow a short or longer reaction time – then remove any excess with a clean sponge.
- After grouting and once the surface has completely dried, apply a second coat to impregnate the joints and give the surface a fine protective finish.
Important to know: During the first application, terracotta absorbs significantly more; the second coat spreads more finely and evenly – ensuring optimal protection.
Important to know: During the first application, terracotta absorbs significantly more; the second coat distributes more finely and evenly – ensuring optimal protection.
For wall areas or less frequently used indoor floors, we recommend natural impregnations with wax or oil. They highlight the structure, add warmth, and are an environmentally friendly choice.
For outdoor areas or damp rooms such as bathrooms or kitchens, we recommend a technical impregnation that provides reliable protection against moisture, dirt, and temperature fluctuations.
Are you unsure which product is right for your project? We are happy to provide you with individual advice.
Conclusion
Caring for and impregnating terracotta tiles is not a complicated process – but it is one that should be carried out with care. A high-quality impregnation extends the lifespan, preserves the beauty, and protects your surfaces from everyday wear. Whether you choose natural wax, vegetable oil, or technical products: the key lies in careful and professional application.
Or explore our collection of high-quality terracotta tiles for indoor and outdoor areas.