Fixed windows are windows that are usually made of glass directly inlaid on the window frame or the window sash is fixed on the window frame and cannot be opened. They are only used for lighting and viewing. They are usually used for lighting windows in corridors, stairwells and certain parts of general windows.
Aluminum glass tilt and slide door are designed with qualified aluminium profile and clear glaze, which is suitable to apply to commercial office and supermarket buildings and home.