A rollable door curtain for a roll-up door assembly, a roll-up door assembly comprising the rollable door curtain, and a method for producing the rollable door curtain

A rollable door curtain (100) for a roll-up door assembly (200), the rollable door curtain (100) comprising:

• a rollable curtain member (102) having a first fold line (104) forming an indentation into said rollable curtain member (102);
• wherein the first fold line (104) divides the rollable curtain member (102) into a first segment (106) and a second segment (108);
• wherein the rollable curtain member (102) is foldable, along the first fold line (104), between an unfolded state (110), in which the first and the second segments (106, 108) are arranged in the same plane and a folded state (112), in which the first and the second segments (106, 108) are folded at least partly on top of each other;
• and
• wherein the rollable curtain member (102) extends in a longitudinal direction X1 between two opposite transversal edges (114, 116) and wherein the first fold line (104) spans between the transversal edges (114, 116), the rollable curtain member (102) being arranged to be rolled up or unrolled along the longitudinal direction X1 both upon being in the unfolded state (110) or being in the folded state (112).