You can definitely recommend Lichtwunder, from start to finish. All questions are answered and problems are solved as quickly as possible. The installation was super fast, so I found that was like a mass processing, that is actually my point of criticism. Broom clean then also after the end of work, the work area was left. What still bothered me was that a window did not work properly, but that was not bad, but that was not properly investigated why the rod had not remained in the eyelet, it was simply screwed a small screw in the window frame to fix the rod, that can not be in my opinion. But now everything works as we imagined.
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