The form of the upper side is shaped cu the same ray of bending of one of the trusses of which the structure of support of the coverages of the tents is composed, to which the ecran has been suspended then during the instalare.
The ecran lăţime 60 m, înălțime 15 m in the center și weighs around 350 kg.
The ecran is installed at the beginning of the events in which is used și it is dismantled at their end.