Used for profiled coverings up to 9 cmheight during the roofing period with l-shaped window.
Okpol roof windows can be combined horizontally, vertically or create of plane with many windows..
The rules of combinig roof windows:
// horizontally joined window may be different in width, but must be the same height,
// vertically joined window may be different in height, but must be the same width,
// in case of combination of windows equipped with external roller shutters, their spacing should be selected based on the dimensions: X and Y (distance in KOMBI flashings for windows with external roller shutters),
// for large-area window combination reinforcements beetwen the window should be used.
// windows of the same type of joinery can be combined.