
Description of the system:
Thermally insulated system for windows and doors, two-chamber (windows) or three-chamber (doors); in addition to standard R, U, R/U functions there is a possibility of designing windows which can be opened and tilted outwards - in this case the application of special pantograph-arms is necessary. This system is very popular in the British Isles. The depth of window frames, window sashes and door leaves is 51 mm.
Application:
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