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paul_f
Lifetime VIP Member
VW don't use that sealant, they use a 2 part adhesive. 521 is an alternative that others use, however it means leaving the roof held in an intermediate position for 12 hours@Gudge According to the Caliboard forum you can’t remove the old one non destructively due to the glue (Sikaflex 521) used to spot bond the seal in the channels.
I managed to remove mine without damage, however it took a lot longer to do