The material has high warmly - and sound-proof properties, is not toxic, is not subject to rotting and interferes with mould distribution. Its unique technical characteristics are temperaturostoykost, the fire resistance reflecting ability, chemical inertness.

Vermikulit is ecologically pure and bioproof product. At the raised temperature arising at fires, does not allocate some any gases that is the important advantage in comparison with other known materials of an organic origin.

As world practice shows, vermikulit is most advantageously applied in building, as a fireproof bulk heater. Having fluctuation, it at zasyipanii fills in emptiness of the wrong form. The layer vermikulitovoy zasyipki in 20sm on a heat-shielding is equivalent to a brick wall in the thickness 1,5m or a concrete wall in the thickness 2m. The layer vermikulita on garret overlappings by thickness 5sm reduces heat losses on 75 %, thickness 7,5sm – on 85 % and thickness 10sm – on 92 %.

Heat conductivity of some building materials

Vspuchennyiy vermikulit 0,04 – 0,062 Vt/m. To Basalt canvas 0,04 - 0,062 Vt/m. To Gravel keramzitovyiy 0,12 Vt/m. To Asbestotsementnaya a plate 0,13 Vt/m. To Foam concrete 0,14 – 0,18 Vt/m. To Brick pustotelnyiy <0,56 Vt/m. To Brick polnotelnyiy > 0,6 Vt/m. To Bricklaying 0,8 Vt/m. To Concrete 1,45 Vt/m. To Ferro-concrete 1,6 Vt/m. To

Vermikulitovyie zasyipki in stenovyih designs are applied to protection of premises against overheating and cooling, for isolation of refrigerating chambers, the arches of furnaces, for sound isolation of chambers of test of air and automobile engines, for a sound absorption in cinema halls and film studios, etc.

Along with vermikulitovyimi zasyipkami, in building dry building mixes and building solutions are effectively applied, napolnitelem which is vermikulit.

In comparison with usual (sandy) building solutions vermikulitovyie solutions owing to high porosity have in 2-4 times smaller volume weight and in 4-6 times smaller factor of heat conductivity and concern group of lungs ("warm") solutions. A layer from "warm" it is cement-vermikulitovoj plasters in the thickness 2,5sm can to replace a layer from a cement-sandy solution in 10-15sm. At a thickness be cement-vermikulitovoj a plaster layer to 3sm a thickness of a brick wall can it is reduced by 25 %. Drawing is cement-vermikulitovogo a solution on brick walls allows to receive economy of a brick in size 0,25kub.m on 1 cubic m of a laying, thus the sound absorption factor vermikulitovyih plasters makes 0,15-0,3, and usual sandy plaster it is equal 0,015-0,02.

From this follows, that application of "warm" plasters for facing of surfaces of walls can give significant economic benefit at the expense of decrease in a thickness of a wall.

Vermikulitovyie plaster solutions are applied to internal and outside furnish of building designs and can execute, besides the raised heat-shielding and sound-proof functions - fireproof, decorative, etc. they Are put on a design usual for plaster works as methods.

Thin-walled designs widely applied in building from armotsementa, ferro-concrete, metal (the arches-covers, plates, farms, etc.) in most cases have insufficient fire resistance.

Alternate heating and cooling of such designs by water in the conditions of a fire leads to sharp falling of their durability, the big deformations, causes a collapse.

As have shown tests, samples vermikulitovogo a solution with volume weight from 500 to 800 kg / cubic m, nagretyie to temperature 900-1000 hailstones. With and placed in water, not rastreskivayutsya also save sufficient durability while samples from cellular concrete under the same conditions completely collapse.

Fireproof efficiency vermikulitovyih solutions in 4 times above, than sandy. The limit of fire resistance of covers and the overlappings, equal 1,5 ch, is supplied at a thickness of a layer vermikulitovogo a solution of 8 mm. More low cited data testify to efficiency vermikulitovyih solutions as fireproof isolation.

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