Our customised flat-pitched retractable roofs distinguish themselves because they slide on an inclined plane, either ascending or descending. It is completely flat and plane but its fixing requires an inclination of at least 5%. It could be made of a single leaf or of several overlapping sections. The materials used for roofing are manyfold; multi-wall polycarbonate, sandwich panel, inside acustic panel, etc....
As an example these are some of the MaperGlas completed flat-pitched retractable roofs: