The design of the connection joint between the aluminium window parts and the wall also directly affects the watertight performance of aluminum alloy doors and windows. The correct approach should be to fill the gap with one-component foam adhesive, and the one-component neutral silicone sealant should be selected for the wall adhesive.
In the design of circular arc fixed window, because the radian of curved glass is difficult to coincide with the radian of frame, it should be considered to be designed as glue sealing on the outside under special circumstances.