A sealing tape roll comprising a soft foam strip (1) of rectangular cross section formed into a roll with two outer lateral surfaces (1a), a top surface, and a bottom surface, and at least one film strip (3), which covers at least one of the lateral surfaces (1a) of soft foam strip (1). Two portions (5a, 5b) of film strip (3) are attached adhesively to soft foam strip (1), wherein at least one of the portions (5a, 5b) is located on the bottom surface or top surface of soft foam strip (1) and is arranged between adjacent turns within the roll.