An apparatus for removing at least one portion of at least one coating system present in a multi-glazed window, the window comprising at least two glass panels alternatively separated by at least one interlayer and forming multiple interfaces, the apparatus comprising:
- an horizontal system comprising:
- an horizontal bar and at least one suction means configured to detachably fix said apparatus in front of said multi-glazed window, said suction means being firmly fixed to the horizontal bar;
- and
- a straight-toothed rack and a rail slider,
- a decoating unit comprising:
- a decoating device including a laser source that generates a laser beam;
- a first motor;
- and
- a pinion wheel driven by the first motor and running on the straight-toothed rack;
- and
- a shuttle sliding along the rail slider, wherein the decoating unit is attached to the horizontal bar by the slider element.