Saturday, December 10, 2011

The Use Of Vermiculite Insulation Construction

The use of vermiculite in the building now in construction, there is one of the most pressing issues for both newly created and exploited for buildings and facilities - it is their insulation. Applying expanded vermiculite, you can get this problem with considerable economic benefit. While reducing the cost of heat conservation in buildings and structures solved problems such as their fire protection, zvukootrazhenie and attenuation of the interior, as well as other problematic issues that occur when an accomplishment. Expanded vermiculite (vermiculite) is a loose, porous material in the form of scaly particles of silver or yellow color, produced rapid firing vermiculite concentrate - hydromicas containing between elementary layers of bound water. The steam produced from this water, it acts perpendicular to the cleavage planes and pushes the plates of mica, increasing the initial volume of grains in the 6-15 times or more. After cooling, vermiculite retains the acquired volume with very thin layers of air between leaves of mica.

Expanded vermiculite is loose, lightweight, highly porous material with a characteristic lamellar structure and odorless. The material has high thermal and sound insulation properties, non toxic, not rot-resistant and prevents the spread of mold. Unique of its specifications - it's temperature resistance, fire resistance, reflectivity, and chemical inertness. Vermiculite is clean and biostability product. At higher temperatures, which arises from fire, gives off no emissions, which is an important advantage compared to other known materials of organic origin. As world practice shows, vermiculite is very successfully used in construction, as fireproof insulation bulk. With a turnover, he fills the void falling asleep an irregular shape. A layer of vermiculite filling in for thermal protection equivalent to 20 cm brick wall thickness of 1.5 m thick concrete wall or 2m. A layer of vermiculite attic floor thickness 5cm reduces heat loss by 75% and a thickness of 7.5 cm - at 85% and 10cm thick - up to 92%.

Dec 10, 2011 3:38:24 PM

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