Originally Posted by
WizardOfBoz
The tape should have nothing to do with the seal between tire and rim, right? Unless you are using tape that's way too wide: and the tape is in the area where the tire seals against the rim. If so, remove wide tape and get narrower tape.
Sometimes an extra layer of tape is helpful when the diameters of the rim and tire bead are a little too loose for an optimal seal, but I think the sealant/riding discussion is probably more on track here.