Louver Glass overlap one another form the panels of a jalousie window which is operated with a crank or turn-screw, the glass louvers tilt to open, permitting air flow.

Aluminum profiles are the best material of the framework, they have the excellent processing and mechanical performance, and a wide variety of color choices (powder coat, PVDF coat, anodize and wood) that adapt to variety of decoration styles and long-lasting colors against all weather conditions.