System of roof covering and roof window sealing flashing

摘要

The subject of the invention is the sealing flashing which aims to seal penetrating constructions on the roof, such as roof windows, chimneys, etc. It includes additional sealing element 7 in the form of steel sheet fragment, resembling the roof covering surface on which it is mounted on place of slits 9 and the method for its assembling on the roof with large metal sheet or 'Sandwich' type roof coverings 1.