Flashing for sealing a roof-penetrating building structure to the underroof structure

摘要

The flashing members (1), (2), (3) comprise layers (w), (z) permanently connected to each other into a single structural component. The exterior layer (z) is a tight and rigid structure forming the shape of a flashing. The interior layer (w) is made of any flexible and waterproof material. The interior layer (w) has a surplus of material in relation to the exterior layer.