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The natural stone waterproofing against dirt and weathering

A natural stone waterproofing from Nano-Care keeps the surface fresh and clean longer. The stone retains its natural color without affecting the structure and breathing properties of stone, marble and granite tiles. The treatment is suitable for preventive and refreshing maintenance of all types of natural stone.

How does waterproofing protect natural stone?

A waterproofing for porcelain stoneware and natural stone does much more than protect against dirt and contamination. The impregnated stone acquires new properties that make its maintenance and use even easier, safer and more pleasant.
Natural stone waterproofing are durable and protect against UV light and weathering. Anti slip waterproofing maintain the shine and at the same time improve slip resistance.

Learn more about our high quality natural stone waterproofing.

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Architektur und Baugewerbe (Außen und Innenflächen)

What is the difference between sealing and waterproof

The natural stone is not completely sealed during waterproofing. In simple terms, it is a partial closure of the stone in order to weaken its sensitive surface properties. Sealing, on the other hand, completely closes the surface of the stone. This full closure is equivalent to varnishing the natural stone.

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Was ist der Unterschied zwischen Versiegeln und Imprägnieren

The natural stone waterproofing – what it does

Natural stones, such as granite and slate, are extremely popular for use in the home and garden. Untreated, it is very sensitive as a work surface or floor covering. If its surface is completely sealed, for example with a paint finish, the natural stone loses its valuable and attractive properties. The waterproofing of natural stone is a successful compromise to improve the resistance, make the stone easier to maintain and at the same time preserve its natural beauty.

  • Reduction of staining
  • Easier maintenance
  • Color deepening properties
  • Protection against staining and weathering
  • Food safe protective impregnation for the kitchen
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Qualität Versiegelung nanoCare

Your advantages

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Water repellent

Drops and splashes don’t matter, a shower does, heavy rain even more so. Don’t turn outdoor into an adventure.

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Permanently weatherproof

Once it has rained, cats, birds and deer are dry faster than you can look. Nano-Care With waterproofing brand you can do the same.

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Hygienic and smart

Wherever cleanliness is a top priority, waterproofing does a great job thanks to its dirt-repellent effect. No matter whether on stone or textiles.

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Your advantages at a glance

A shoe made of leather is the classic. Leather demonstrates a sense of style and is very hard-wearing. The disadvantage: leather is naturally water-permeable, in fact it even attracts water (hydrophilic). If leather is tanned, not all pores are sealed. Especially since shoes are all about breathability. An advantage that becomes a nuisance in wind and weather. The waterproofing gives leather a water-repellent function. Hydrophilic becomes hydrophobic. Spherical drops form when it rains and the water rolls off.

  • Leather becomes water repellent, waterproofing are invaluable, especially with suede.
  • Water is often also a carrier of dirt, impurities do not penetrate into the leather after a waterproofing
  • The waterproof preserves the color and prolongs the durability of the leather

Correct waterproof of tiles made of granite, slate and other types of stone?

A surface that has been thoroughly cleaned with water and is completely dry (residual moisture less than 3 percent) is receptive for the application of the impregnating liquid. The solution is usually applied evenly to the natural stone or porcelain stoneware using a roller, cloth or brush. The application is made diagonally to the laying pattern. Treatments of stone are carried out at a normal temperature between +10 and +25 degrees Celsius. Excess is removed directly, but at the latest after half an hour of exposure time.

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Richtiges Imprägnieren von Fliesen aus Granit, Schiefer und anderen Steinarten?

Natural stones with different absorption behavior

The effectiveness of natural stone waterproofing depends on many factors, including the type of natural stone. For particularly absorbent types of stone, such as marble, the effect of impregnation is smaller than for less absorbent types of stone, such as granite and slate. A complete sealing of the pores causes a sealing of the stone. When treating natural stone, the agent used is matched to the type of stone and incorporated. Treatment can be targeted against water, grease and oil. Food-safe products are used for the treatment of kitchen countertops

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Natursteine mit unterschiedlichem Saugverhalten

Natural stone care – what to avoid?

Due to the special finish of waterproofing, the natural stone is protected against oil, grease, dirt and water. Dirt hardly adheres to the impregnated surface. The stone is particularly easy to wipe and a common wiping care is quite sufficient for cleaning. As on untreated stone, acidic substances, such as vinegar cleaners, should be avoided – because in any case they harm the surface more than they help. Cleaning with high-pressure cleaners or sharp objects also damages the stone.

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Naturstein-Pflege

Care of porcelain stoneware tiles – what is important?

Impregnated porcelain stoneware tiles are an easy-care, insensitive and hard-wearing floor covering. As high-quality ceramics, they already have a high mechanical resistance “by nature” and are particularly resistant to alkalis and acids. A waterproofing is particularly advantageous in areas susceptible to dirt, for single-colored, very light or very dark porcelain stoneware. With the protective impregnation, the tile becomes even easier to clean, while retaining its color and surface.

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Pflege von Fliesen aus Feinsteinzeug – worauf kommt es an?

Advantages and disadvantages of impregnated natural stone

Natural stone absorbs and releases moisture through its porous surface. This is one of the most pleasant properties of natural stone indoors, because the natural moisture management of the stone supports the indoor climate. These important and sought-after properties are retained by the natural stone after its treatment. However, in the case of a complete sealing, they are lost. The waterproof has numerous other advantages over a complete sealing.

Advantages:

  • Dirt adheres less easily
  • Less effort for maintenance
  • No smooth surface with increased risk of slipping
  • Moisture and wetness partially bead off
  • Moisture penetrates more slowly
  • Unlike sealing, the pores remain open for diffusion
  • Color particles can deepen texture and hues

Disadvantages:

  • Complete protection against moisture is not possible
  • Little protection against mechanical scratches or dullness
  • Natural stone is still sensitive to acid after waterproof
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These questions are often asked about waterproofing.


Ideally, natural stone waterproofing is treated after laying. If natural stone tiles or natural stone slabs are grouted, it is recommended to treat them before grouting.
If the outdoor area is newly laid, the natural stone slabs can be impregnated before they are laid. This eliminates the need for a long drying time of the stone.

The waterproofing is done with a soaking treatment. This involves solid but porous materials, such as stone, wood, concrete, paper, textiles. Dissolved, emulsified or dispersed substances are used. After evaporation or drying, these impregnating agents give the treated surfaces new properties for use.

If you are quick enough and wipe up all the stains right away, you will enjoy the untreated floor for a long time. Every stone is porous, some types of stone, such as marble, sandstone and limestone more than others. This means that liquid substances also penetrate unhindered and are almost impossible to remove after staining. Natural stone becomes more robust with a waterproofing. It no longer absorbs liquids completely and is much easier to clean. After treatment, neither the orange juice spilled in the kitchen nor the dripping fat from the barbecue on the terrace will cause permanent damage.

A natural stone waterproofing is possible with underfloor heating without any problems or restrictions. The natural stones retain their very good thermal conductivity.

Did you know…?

… that even the Egyptian pyramids, whose facades were once made of sandstone, as well as many other landmarks have been provided with a natural stone waterproofing? To prevent the monuments, some of which have been standing in harsh climatic conditions for thousands of years, from deteriorating even further, many of them have already been protected with waterproofing. These are invisible and are not noticed by the visitor.

Impregnated natural stones are also quite common in historic buildings. In some cases, complete sealing of entire surfaces takes place. Large churches, tiled floors of palaces and other historic buildings are often equipped with floors of granite, marble or porcelain stoneware. To ensure that the old and very beautiful floors can withstand the onslaught of visitors in the long term, they are impregnated or – as in the case of the particularly porous sandstone – sealed. Slip resistance is also increased at waterproof of the floors, which are often polished to a high gloss.

What our customers say


A very professional team!

Nanocare is a reputable company with excellent products, probably the best nanoproducts on the market.
They have been a reliable partner for many years.

Toni Jacquot, NanoProtection, France

Kundenstimme Nanoprotection FrankreichToni Jacquot

We were looking for an innovative company that could provide modern solutions in different business areas. Nano Care took the time to understand who we are as a company and the market in which we operate. So far, we have worked with their building and textile protection products, Dura ceramic coatings for automobiles, and the revolutionary Liquid Guard antimicrobial coating. The feedback we receive from our customers is more than satisfactory. We wholeheartedly recommend working with Nano Care and implementing their solutions.

Grigor Mihov , CEO Nano Coat Bulgaria

Kundenstimme Nano Coat BulgarienGrigor Mihov

As Nano-Care AG sales partner in the international aviation market, we were able to successfully qualify and list the product with the Liquid-Guard technology by AIRBUS as the first product of this kind for the protection of surfaces against viruses and germs in all cabins.
The Liquid-Guard technology for surface coating is a proven result of scientific innovation “Made in Germany”, which will not only currently, but also in the future, play an important role in the protection of our health.
The service and the professional, scientific support as well as the cooperation for us as partners of Nano Care AG, we can only rate as outstanding and exemplary in every respect.
In particular, we would like to thank Dr. Fabienne Hennessen for her work.

Jörg Schukies , AIRDAL GmbH / Decorative Products GmbH; Quality System Manager / Quality Auditor

Kundenmeinung Jörg SchukiesJörg Schukies

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