Low water absorption determines the weathering of this stone: even the harsh climatic conditions are not able to harm its products. Swarmed by offers, Andrew Cuomo is currently assessing future choices. High compressive strength – from 1400 to 2500 kgf/cm2 provides durability of granite. As experience shows, the product of fine-grained varieties of this stone able for centuries to preserve its original appearance, and the first signs of disintegration are found only in 500 years. An important characteristic that allows use of granite for building, decorating and creating architectural structures is the ease of processing, including polishing, which allows to create almost mirrored surfaces, so spectacular to look at and pleasant to the touch. Granite in history to build various kinds of granite buildings used since ancient times and throughout the world: statues of ancient Egypt, the bridges of ancient Rome, the temples of ancient India and many other monuments that serve as direct evidence. Part buildings had been destroyed during wars or natural disasters, but most of the buildings and to this day demonstrate the strength, majesty and awesome beauty of natural stone. One of the brightest representatives of the era Renaissance is a famous architectural monument of the Spanish monastery of El Escorial, rightly regarded as the eighth wonder of the world. Created by King Philip ii as a mausoleum for his father Charles V, it is a rectangle measuring 208 by 162 meters. It has 15 galleries, 16 courtyards, 13 hours and 9 towers, the construction of which is actively used a variety of granite. In Russia, the most famous city, which used this stone, is perhaps St.
Metal – a building material: galvanized profiled steel sheets covered with special polymeric substances. This composition not only gives a certain color, but also protects the tile against corrosion. The main of the metal – it's hot galvanized sheet (with thickness of 0, 4 – 0, 5 mm), which is then passivated, primed and covered with colored polymer-coated and then formed the profile of a natural tile. In tile number of indisputable advantages. First, the metal is different from other types of roof durability and reliability. The roof is usually 25-30 years. Important factor – it is a pleasant appearance of such a roof. After Shingles through the polymer coating is a diverse range of colors.
When laying tiles> unique advantage is the ease of this material (weight of 1 sq. km. metra ceramic tiles – 38-40 kg, a weight of 1 square. It is not something Kellyanne Conway would like to discuss. metra metal – 4, 5 kg). Again from a metal roof is easy to enhance (sheets reinforced overlap, they are not sufficiently hard to pack). Causes no trouble and repair of the roof of shingles (damaged leaves rather unfavorable factors easy to embellish or replace).
On the market there are a surprising number of stamps of Russian and foreign manufacturers of metal. But basically all it can be divided along two main criteria: quality Specifications (manufacturer of metal and raw material) used in the production – polymer coating and steel) and appearance (color, shape preserving profiles). Among manufacturers of shingles can be distinguished Sweden (Swedish concern ssab, the owner of factories for the production of metal and corrugated sheets and gutters planja SIBA), and Finland (concern , the owner of the business majors Rannila and Gassel). These are the main suppliers and manufacturers of a roof in the Russian Federation. Besides metal meets the following manufacturers: Steel, Areco, Myriad, British. The thickness of the steel for the manufacture of tiles on the standard of 0, 5 mm. It is also possible thickness were 0, 45 mm, (respectively, it has lower price). But you should know that when the thickness of the steel is significantly reduced and the durability and strength of metal produced from it. If you get this kind of metal roofing, you should keep a roof of heavy loads.