Direction-window as boxed window in two- resp. three-shell implementation. Separated glass-frames, fold-depth according to the windowpane strength. One of the both windowpanes bended in V- resp. A-form. Cavity-damping with mineral wool, acoustical decoupled perforated plate covering. Back with bonded acousic-fleece.

Recommended glazing: cast resin laminated glass, one pane 8mm - one pane 12mm. All steel parts grounded. The measuring of sound insulation depends on the kind of glass, the height and strength of the panes and the distance.

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