суббота, 7 декабря 2013 г.

for foreign customs part 2

Our ancient city of St. Petersburg is beautiful and unique. Its beauty inspires writers and poets , painters and artists . And even cranky and cold climate can not spoil the impression of the museum under the harsh northern sky .
Very many citizens , protected from the cold and noise of the city , set in their homes plastic windows with double glazing . Difficult to find a building in which would not find at least one modern window PVC. This was possible because the price of double glazing today is not so high , what they were ten years ago .
Many window companies offer double glazing in St. Petersburg , in various ways, praising their goods. We want to help our visitors to find their way in selecting the right windows with quality components, and tell what glazing whose price depends directly on their quality. In this section you can find a lot of interesting information that will undoubtedly be useful to everyone who is interested in PVC windows .

ImageOsnovoy modern windowing system is a window. Simple glass used for glazing , can not meet the strict requirements that apply to construction materials . Essentially window represents several (two , three or more) of glass, which are a special frame. The ends of the glass sealed and inside a cavity filled or especially dry air or inert gases. This gives UPVC unique properties that allow you to provide excellent heat and sound insulation .

Serial production of glass began in 1934 , in Germany, almost a hundred years after the issuance of the first patent for their production . Originally glazing used to osteklyat wagons.

Modern windows are made by double sealing . Remote frame (this may be the profile of aluminum or galvanized steel profile) coated with butyl sealant. Inside the frame is a unit, i.e. a substance that is capable of absorbing moisture.

SteklopaketyNa glass frame set and edges are sealed with sealant. The air inside the chamber is dewatered by dehumidifier, because the occurrence of condensation inside the glass is excluded. UPVC to give additional useful properties , it is filled with inert gases , using specially intended for this hole in the frame corners. Glazing insulation qualities can be improved by filling it with argon (Ar) and krypton (Kr), and is responsible for the sound insulation of sulfur hexafluoride (SF6).

Depending on the amount of air chambers meet chamber glass having two glasses and two-chamber , that is, with three windows. It happens more cameras . Sometimes instead of the internal double-glass windows fitted with plastic film. Decorative elements are located both inside and outside.

i- stekloSteklo profile and have different values ​​of thermal expansion , because the installation is sealed into the fold expansion gap and used specially made lining. These pads can be supporting , that is to transmit the weight of glass covers, fixing and to provide proper alignment and prevent displacement . The method determines the suspension sash windows option mounting pads .

Sealed properties can be improved by using a special film for various purposes.




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