Materials for finishing and facing structures
In the construction of buildings, blocks of natural materials are often used – stone. Blocks must meet the requirements of GOST 9479. Sometimes a stone itself is used without impurities for decorative finishes both inside and outside the buildings. Modeling products with two and four faces are allowed. All products made of natural stone are divided into plates, steps, output and rectangular parapets. These products are most often produced by a rectangular or square shape. Natural stone slabs are produced for the decor of the internal and external sections of the building and structures according to GOST 9480. Architectural and construction products according to GOST 23342. For these GOSTs, they can be divided into sawn and chopped. These include basement, covering and window sills. Natural stone finishing slabs are made in different ways and divided into several groups – pressed and sawn from artificial blocks glued from pieces of stone. The most popular are glued from pieces of stone, as it can be a mosaic and an ornament. These plates are made according to GOST 24099, they are made of sand and crushed stone according to GOST 22856. Sawn slabs have a different surface from polished smooth and matte to the ribs around the perimeter to grinded with chips. Such plates are made of tufa, shell. Palette slabs are used only for decor during the interior decoration of the building or structure. The stone -processing enterprises are used for the manufacture of products and slabs from the GOST 9479 natural stone, and determine the size, shape and texture of acceptance control. For transportation, packaging, as well as when storing plates in accordance with GOST 9480. For road construction, a bottleneck and a barn -out natural stone is used. This stone is produced by sawn and stabbed. All brands and sizes, also the qualities of on -board stones are spelled out in GOST 6666. Farm stone is very often for city squares and streets. To give the architectural value of the avenues and squares, a beam stone is used in the form of a truncated pyramid. He should approach GOST 23668.
