RAL installation of windows or assembly is a quality standard that should be adhered to when installing modern window elements. Behind this standard is the German institute for safety and marking of goods RAL.
The basis of the standard is simple. Modern windows in production meet particularly strict criteria in terms of thermal insulation, sound insulation, impermeability or anti-burglary protection. However, all these properties will only achieve their full potential if the windows are installed correctly.
Strictly speaking, there is no certified RAL installation as such, but rather a system of guidelines for quality window installation that will prevent heat loss and the penetration and condensation of moisture in the space between the wall and the window. Of course, this will prevent the appearance of moisture, mold, reduction of insulation characteristics and similar.
In order to prevent this, joinery must be installed according to the following RAL guidelines:
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