Window systems, additionally designed with 4 air channels, have high sound and thermal insulation characteristics. This provides them with superior features in their class.

Depending on the window model, white or grey non-staining rubbers are used, which preserve the water, rain, wind, dust, and soundproof properties of the windows for many years.

To match the architectural line of the house, the colors of the windows, their shapes, and purposes, various shaped plastic, metal, white, and colored door handles, open and concealed hinges are used.