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Products from a granite beautiful natural stone granite – a symbol of strength, reliability and durability for many centuries, has gained recognition in the construction and architecture, one of those materials, which can applied in the design of any interior of any style and direction. Granite is durable, its life is estimated for centuries, because granite excellent transfers mechanical stress, temperature extremes, does not absorb moisture and opposed to any destructive influences. At all times, granite was used as a building and finishing material due to its unique properties: strength, durability, resistance to environmental influences, variety of decorative features. It miraculously combines aesthetics and functionality at its magnificence, significance and value of any one material can not be compared with natural stone. Granite is associated not only with safe haven, warmth and comfort of home, but with the sublime tranquility of the temple, with a perfect work of art. Your interior can be snobbish, cold, or comfortable, warm, provocative, sumptuous and modest, light or dark. Nature created the granite is so unique and diverse, that each product, the fragment-coated surface will be unique. Today, natural stone is used and how decorative finishing material.

They trim interior and exterior walls of buildings, floors, stairs, columns, fireplaces, swimming pools, saunas. Granite create various interior elements, such as: window sills, cornices, baseboards, railings, countertops, tables, stairs, bar tops, fireplaces. Granite can be used as: paving for roadways and garden paths, steps and curbs, liners caps. As a decorative finish granite material perfectly fits into the various, including modern trends of interior design. Synthetic materials are no substitute for a living, breathing, patterned stone. Life granite measured by centuries, but even the 'aging' natural stone is beautiful and noble. In recent years natural stone has been actively used for decoration of country houses and cottages.

In this case, the central role played by its surface texture, color gamma, as determined by the size of the product architecture and design tasks. Decorative combination of rock of different colors gives the building a festivity and elegance. In the color combinations of stone veneers are very often used method of contrasting contrasting the various elements of the buildings. Recently, for facade was often used trick to bring to the surface of the masonry of the natural stone. This way of dressing is intended to emphasize the "venerable" age "at home with the traditions, the family nest. We rarely look at his feet, and in fact there may be a work of art created by itself nature There is no doubt, will not go unnoticed by your guests are made of natural stone steps. Granite is the most rewarding material for their manufacture. They will decorate both external and internal staircases creating the desired mood of the masters with the help of colors (black, gray, red or pink), or combinations thereof. Granite steps are good for rooms with high bandwidth, because granite is characterized by high resistance to abrasion. Steps can be either polished to a mirror finish surface and a rough (polished or sawn). You can even option election grinding, which allows to put on the surface stone figure of a given configuration – obtained a very beautiful granite steps. Granite is not afraid of the impact of environmental factors: his overweening frost and rain, scorching sun and strong wind. This property, along with gorgeous colors make granite so popular in the manufacture behalf of external stairs, which is rightly deserve the name of the gala.

In 1890, Hoffman received a patent (Prague), which is aerated by the method was based on CO2, created during the reaction of hydrochloric acid and sodium bicarbonate. With this technology, manufactured septal slabs gazogipsa. See Robert Bakish for more details and insights. The next patent for cellular concrete are issued only in 1916 in Holland. By using this technology in aerated concrete pore formation in the concrete used in addition of organic matter. However, due to negative effects of organic additives on concrete products technology has not received distribution.

Other methods for the formation of cellular structure and swelling lime-sand mass recommend the use of hypochlorite calcium and hydrogen peroxide. Raising the porous mass is due to oxygen evolution. Cellular concrete is also possible to create as a result of decomposition reaction of calcium carbide with water to produce acetylene. In 1918, Mr. Grosh (Berlin) for the first time suggested the use of powder made from metal for formation of gas in the manufacture of aerated concrete.

Metal powders can be zinc, magnesium, aluminum – aluminum became the most large distribution. It is widely known that between calcium hydroxide and aluminum chemical reaction occurs. In the course of this reaction in a considerable amount of hydrogen released, heat, and is the binding of water that has a positive effect on grasp and thickening porous concrete mixture. Porous mortar evenly interfere with aluminum powder, and then prepared solution is poured into pre-cooked form, and Only after this reaction occurs in solution with a large release of hydrogen. Formed during the reaction of hydrogen bubbles bloat aerated mixture and the latter is distributed around the bubbles, forming a homogeneous porous structure of the product. Here we should emphasize that for mixing porous mixture of aluminum powder to the desired uniformity is distinctive from the foam, where uniformity is possible only at very saturated solutions, it is possible to use solutions with less water. At the same strength and density porous skeleton between the bubbles of gas rising, and that ensures longevity and strength of aerated concrete products. Aerated concrete, popular in the world today, was patented in Sweden in 1922, the inventor of Erickson, who is considered the founder of the current cellular concrete used in construction industry. Only 16 years have been created out of reinforced gazoebtona, but they are first used in Scandinavian countries. But not all procedures have been implemented in practice, the manufacture of cellular concrete.