impact closing Germany

... find the ideal insulation solution. Anti-Bi-Metal The so-called bi-metal effect occurs when there is a significant temperature difference between the inner and outer door frames (e.g., due to intense sunlight). The outer frame expands, which can lead to warping of the door and issues with closing. With our solution, the expansion of the outer frame has no impact on the fit of the inner frame, ensuring that the door remains fully functional.