after panel installation
1
Fill the U-profile on the
lower edge of the window
with sealing compound
2
Apply sealing compound
on the flanges of the
window frame, or directly
on the panels.
3
Apply sealing compound
into the panel groove
where the upper flange of
the window pushes in.
4
Lift the window to its
position.
5
By ussing a lever, press the
window frame upwards 
from inside into the
panel groove above, while
pressing the window
inwards from the outside.
6
Inject foam between the
frame and the panels.
7
Tap the inner flanges to
their place. Note: Always
use a shock damper, for
example a piece of wood.