heroal insect protection systems stand for elegant design and durability, offering maximum transparency with full ventilation. heroal insect protection components can be combined with almost any window and door system as well as covers for cellar windows or light shafts. The range of available profiles and mesh choices (gauze) and the extensive hwr colour palette grant planners, architects and property owners maximum freedom of design. heroal insect protection systems offer high stability and stand out for their simple, efficient manufacture and installation as well as their quality when it comes to material, ease of use and service life. The elegant design and the wide variety of forms, colours and screens meet the most different structural requirements and at the same time provide countless design options.