«Warm installation» saves the heat
Polyurethane installation foam is typically used for filling the assembly joints between the window assembly and wall elements, providing insufficient protection from the humidity being filtered from the building, as well as water and humidity from the external environment, ending up in the joint. During the assembly of windows the Soudal Window System should be used, in which special strips are used during window assembly, the purpose of which is to prevent the entry of humidity into the foam layer. The external strip, Folienband Outside, allows water vapour through and the interior strip, Folienband Inside, prevents the escape of vapour. Strips have excellent adhesiveness with all types of window frames, since they self-adhering, being covered on one side by a butyl rubber adhesive, and are suitable for acrylic glass and polycarbonates.
A surface covered with the wool fibre of the strips can be plastered or painted. Strips can also be used on uneven surfaces and, due to their special construction, Folienband is also flexible diagonally, which allows for it to optimally tolerate movements of the building. Thanks to flexibility in both directions the continuous impermeability of window joints is ensured.
This system is a standard in most European countries.
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