The air, water and wind (AAV) classification is achieved with one of the following solutions:
1.Closed frame. 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 and an acoustic bottom threshold for CS5 frame on the bottom part of the leaf including d-shaped strip and D-shaped seal.
2.Acoustic bottom threshold. Formed by a D-shaped seal, placed in the inner perimeter of the frame, a d-shaped seal, placed on the upper part of the frame and lea fon hinges side, a flipper joint and d-shaped strip placed at the height of the lock between two leaves, a flipper joint on the upper part of the frame and a threshold on the lower part of the leaf including d-shaped strip and D-shaped seal.
Galvanized
Pre-lacquered BL-A
RAL frame