Mineral paints: a return to basics for sustainable constructions
Mineral paints are experiencing renewed interest in the building sector, at a time when sustainability, ecology and thermal performance have become essential criteria. Recognized for their natural properties and exceptional longevity, they are a preferred alternative to synthetic products.
What is mineral paint?
Mineral paints are distinguished by their composition essentially based on natural raw materials. Unlike synthetic paints which contain resins and solvents from petrochemicals, mineral paints are composed of potassium silicate, also called liquid glass, lime or clay. These elements give them unique properties: they are not only inert, but also breathable and free of VOCs (Volatile Organic Compounds).
The key to the success of these paints lies in the chemical reaction that takes place when they are applied to mineral supports, such as concrete, stone or brick. They then form a solid bond with the substrate, a crystallization which creates a durable and resistant layer. This makes it a coating perfectly suited to old buildings as well as modern constructions concerned with longevity.
The ancestral history of mineral paints
The history of mineral paints dates back several centuries. Used since the Middle Ages, particularly in large-scale constructions, these paints were prized for their weather resistance and their ability to protect surfaces. However, it was in the 19th century in Germany that their use truly became democratized, thanks to the invention of silicate paint by the chemist Adolf Wilhelm Keim.
Over the decades, this technology has been perfected, allowing mineral paints to maintain their place in the building industry. Today, they are often associated with renovation or construction projects meeting strict ecological standards, such as HQE (High Environmental Quality) certified buildings or passive houses.
Why choose mineral paints?
The main advantage of mineral paints lies in their limited environmental impact. Entirely natural, they are biodegradable and do not release any harmful substances, unlike certain conventional paints which can release VOCs for several months after their application.
In addition to their ecological aspect, these paints offer remarkable technical performances. They are permeable to water vapor, which allows the walls to "breathe" and thus prevents the appearance of mold or damage due to humidity. Their ability to reflect light and maintain color stability over time, even under difficult climatic conditions, is also a strong argument.
Finally, their durability is incomparable: a well-applied mineral paint can protect a building for several decades without requiring repairs. This longevity makes mineral paints an economical choice, despite an initial cost that is sometimes higher than that of synthetic paints.
THERMO-REFLECT® : mineral innovation for optimal thermal insulation
In line with the advantages offered by traditional mineral paints, THERMO-REFLECT® stands out as a revolution in the field of reflective thermal insulation. Made from 100% mineral materials and fire classified A2-s1, d0 - M0 (non-combustible), this paint combines thermal protection and compliance with the most demanding environmental standards.
THERMO-REFLECT® is based on advanced reflectivity technology which blocks infrared radiation while allowing the surfaces to which it is applied to breathe. This innovative solution is particularly suitable for buildings exposed to high heat. By reflecting heat, it reduces indoor temperatures by 6 to 10°C, thus providing optimal thermal comfort without excessive use of air conditioning.
Entirely mineral, THERMO-REFLECT® respects the environment while guaranteeing exceptional resistance to external conditions. Whether for roofs, facades or even interior surfaces, it provides long-lasting protection while contributing to substantial energy savings.
As a modern solution to an increasingly pressing problem – heat management in buildings – THERMO-REFLECT® combines tradition and innovation to offer a sustainable and efficient alternative to conventional thermal coatings.
Mineral paints, rich in their history and their performance, offer an effective response to the challenges of contemporary building. And with innovations like THERMO-REFLECT®, they are helping to build a more sustainable future, where energy efficiency and ecology go hand in hand.
