Advantages of gypsum cardboard
Without it it is difficult to present modern building, after all gypsum cardboard is a material, irreplaceable for erection of interroom partitions, facing of walls, the system of floors, false ceilings, manufacturing of decorative and sound-proof items, and also fireproof covers. He allows to exclude completely any use of the "wet" processes connected with application plaster and kladochnyih of solutions, and also the cement and concrete mixes necessary for vozdvizheniya of monolithic designs.
Gypsum cardboard: the most acient period
The plaster making its basis, has unique properties for a construction material. Fire-resistant, strong and easy, it does not contain toxic components and has the acidity similar to acidity of a human skin (completely not casually that is applied in medicine) furthermore production and use of gypsum cardboard does not render harmful influence on environment.
By the way, as a construction material plaster has started to be used in Ancient Egypt about 3700 years BC Egyptians finished it walls of funeral chambers in pyramids which should, on their deep belief, exist eternally. And plaster has not made them: we and now can admire fine frescos in tombs of mysterious Pharaohs.
Later this material was used also by the Greeks who too were a good judge of building. They also have given it the modern name - “gipros”, that means "a boiling stone". Together with other achievements of the Greek civilisation this construction material has passed to Romans, and they in turn in 15 century have brought data on plaster to Europe. In those days it named "plaster of Paris" as the basic extraction of plaster was carried out around Montmartre. Then the material began to be applied very widely to internal and external furnish of buildings. But the present history of gypsum cardboard has begun on May, 22nd, 1894 in America. Then somebody Ogast Sekket has received the patent for a new kind of a construction material - sheet in the thickness 5mm, consisting of 10 layers of the paper which have been stuck together among themselves by plaster which, actually, and began to be called gipsokartonnyim as sheet. In the application on the patent it has been noted: " My improved boards or plates replace a habitual shingle and plaster. Their advantage that they fire-resistant, dry, convenient also are easily established so that the premise is ready at once to entry. In them there are no cracks which so are appreciable in the plastered walls; they supply a smooth, durable surface which can be painted the same as also the usual plastered wall ". Augusta Seketta it is considered to be" the father of gypsum cardboard ".
The XX-th century
Between 1908 and 1910 years there were two events which have defined a modern kind of gypsum cardboard. Stefen Kell has patented the sheet consisting of 2 layers of a cardboard with plaster in the middle, and Klares Uttsmann has invented wrapped up edge.
In 1917 in England the first has been opened in Europe gipsokartonnaya factory. From here the technology of its production has got to Germany where in 1932 two brothers, German mountain engineers the Gigolo and Charles Knauf, have created own company "Gebryuder Knauf, Vestdoyche Gipsverke". Gipsokartonnyie the German firm "Brothers Knauf" has started to manufacture plates of the modern sample in 1958-1959 And in 1957 Swedish firm "’ї»U«¬" began to manufacture this production. Originally gipsokartonnyie plates were used for replacement of plywood, boards, DSP in small houses. Today possibilities of application of gypsum cardboard have considerably extended. It is necessary for building both inhabited, and industrial premises, and its sheet represents the plaster core, which all planes, except for face edges, are revetted by a cardboard. For achievement of necessary durability and density in it add the special components raising service properties of a material.
Gypsum cardboard has one more very important quality - ability to "breathe", that is to absorb a redundant moisture. And in a combination with izolyatsionnyimi materials it supplies high zvuko - and a thermal protection, not conceding on these krtieriyam to walls from concrete or a brick.
As it is done
The technology of "dry" building is extremely simple and fast has. It begins with a marking under the drawing and skeleton installations, to which screws-samorezami (without preliminary drilling of apertures) gypsum cardboard fastens. Seams shpatlyuyutsya, in internal space can be laid necessary communications, electroposting and mineral cotton wool for sound insulation. In the collected kind of a wall have ideally equal surface and are ready to painting, pasting by wall-paper, facing by a ceramic tile. One more remarkable feature of gypsum cardboard - ability to acquire plasticity in a damp condition and to restore the primary form after drying. And significant expansion of architectural possibilities and at all erects gypsum cardboard to a regal throne of the best construction materials.
Publication source: STROY MART - Internet shop of construction materials
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