Energy-saving window has window frame and casement frame made of a 5-part profile in a sequence of wood, cork, wooden material, cork and wood

摘要

The profile of the window frame (1) and casement frame (2) each comprise 5 profiled parts in a sequence of wood (3), cork (4), wooden material (5), cork (6) and wood (7) having an overall coefficient of heat transfer of 0.75 to 1.05 W/(sq.mK). On the outside of the frame is a rainproof back-ventilated plastics or metal fascia panel.