For the sealing of window connection joints and different joints greenteQ has two different versions of joint sealing tapes. There is one greenteQ Joint sealing tape for the blind assembly and one greenteQ Joint sealing tape which is weather resistant. The joint sealing tapes are compressed and self adhesive on one side, whereby the assembling of the tapes is simplified. Through the self adhesion it is also possible to assemble the tapes into existing joints.