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Video: Mineral Fillers. Mineral Smooth
2023 Author: Hannah Pearcy | [email protected]. Last modified: 2023-11-26 11:39
Smooth wall surfaces have been a trend for years. In order to realize them, the craft uses different materials. In addition to gypsum and dispersion products, mineral fillers based on lime and silicate are becoming increasingly popular.
Author: Dr. Christian Brandes | Photos: Caparol
Mineral fillers and coatings not only look particularly elegant due to their matt surface. Due to their advantageous physical properties, they can also make a decisive contribution to comfort in the living space. Due to the open-pore structure, moisture peaks are absorbed from the room air, stored temporarily and released again later. These processes, known as absorption and desorption, stabilize the room air humidity in an area that is pleasant for the occupant.
The buffer zones created with mineral materials play a major role in the indoor climate, especially in energy-optimized new buildings with an almost airtight room shell. The absorption of air humidity only takes place in the near-wall area. This physical process should not be confused with the "breathing wall", which has been proven not to exist, but which is still described in various media.
Mineral materials have other advantages indoors: Because of the high pH value, lime and silicate products do not require any preservatives, which is a common decision criterion for allergy sufferers. The high level of alkalinity also provides natural, if not unlimited, protection against mold. Because of the open-pore surface, condensation forms on the wall surface - often a problem in uninsulated old buildings. This keeps the component surface relatively dry. In this way, mold is also deprived of its livelihood.
Sorbable mineral fillers and matching wall coatings are required for the production of surfaces with climatic effects. With regard to the filler layer, lime-bound materials have proven themselves for many years. Lime fillers, however, are often said to be difficult to process. It is true that the production of a perfectly leveled wall with a classic lime smoothness is quite a manual challenge. In addition, these materials are not suitable for every surface. In the meantime, however, it has been possible to develop highly functional and easy-to-use lime fillers for a wide range of applications. These products can be used not only as a thin layer of limescale,but also as a universal smoothing and repair putty on various new and old substrates with a thickness of up to ten millimeters. Even non-mineral substrates can be filled with a quartz-filled contact primer after priming. In addition, a special glass fabric can be incorporated into substrates that are prone to cracking. For large-scale application, application with adapted mixing pumps or with powerful airless piston pumps is possible. For large-scale application, application with adapted mixing pumps or with powerful airless piston pumps is possible. For large-scale application, application with adapted mixing pumps or with powerful airless piston pumps is possible.
Silicate and lime paints have proven to be ideal for coating lime-bound plasters and spatulas. Due to their particularly high water vapor permeability, the sorption capacity of the mineral filler layers is not measurably impaired. With application-technically optimized sol-silicate wall paints, perfect, matt surfaces can be created efficiently, which appear particularly elegant and comfortable in modern and existing architecture. These coating materials are characterized by a particularly smooth and batch-free processing, which has not previously been achieved in this form with silicate products.
Lovers of classic lime surfaces, on the other hand, will prefer the lime and lime casein paints to be processed in the traditional brush application as a final coating. The use of lime coatings must not only be reserved for specialists. Some lime paints certainly meet today's requirements in terms of workability, hiding power and suitability for everyday use of modern wall coatings.
With the Histolith system "smooth mineral wall", Caparol offers an alternative to gypsum and dispersion fillers for demanding indoor areas. It consists of the following components:
- Histolith lime spatula brilliant with high whiteness
- Histolith natural lime spatula with natural white surface
- Histolith premium silicate (sol silicate paint of wet abrasion class 1, hiding power class 1)
- Histolith LithoSil (sol silicate paint
with high whiteness, wet abrasion class 2, hiding power class 1)
- Histolith interior lime (interior paint based on lime with a high degree of whiteness and smudge-proof surface)
- Histolith lime casein paint (natural, off-white color, smudge-proof surface)
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