Sliding window from KÖFEN was designed by the specialist and to be more easy and convenience on using window with the wheel and rail system that was special designed then it can be slide freely.
It can make the room opening to get the wind from outside as much as possible. When we move to close the window we will have confident that . It can be protect water and noise by using EPDM rubber and flannel to support on the window body that resist on every weather condition which can produce the window height 3 meters or 3.5 square meters per one window. It also can install with rolling insect screen 108 Alu-Net.