by 1 October, 2009 which become effective amendment to the Energy Saving Regulation (EnEV) will bring changes in building glazing with it. With the introduction of the new Regulation, the window usually meximal have a U-value of 1.30 W/m2 K, for the pure replacement of window glazing is even a U-value of 1.10 required W/m2K. What measures are in question or which forms of remediation are appropriate, you should clarify in advance with a Bausachversätndigen. It can analyze the existing building and suggestions for a renovation.
Different types of glass are possible in the renovation. Thermal barrier coated glass, for example, a cutting-edge product. Today's standard is silver-coated double glazing where the disk space is also filled with insulating inert gas. Triple glazing currently connect to the successor of the classic double glazing. In selecting the appropriate glass for the home or office building solar energy gains should be considered. Important to include the highest possible total energy transmittance (g-value) and a high light transmission.
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