The air, water and wind (AAV) classification is achieved with one of the following solutions:
1.Embedded Threshold. Formed by a D-shaped seal, placed in the inner perimeter of the frame, a d-shaped strip, placed on the upper part of the frame and leaf on hinges side, a flipper joint placed at the height of the lock between two leaves, a flipper joint on the upper part of the frame and a threshold embedded in the lower edge of the leaf.
Galvanized
Pre-lacquered BL-A
RAL frame
