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, a flipper joint placed at the height of the lock between two leaves, a flipper joint on the upper part of the frame 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 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 on the lower part of the leaf including d-shaped strip and D-shaped seal.
Galvanized
Pre-lacquered BL-A
RAL frame