Just done all 4 doors.Removed all 4 trims,easy,slackened all bolts and removed all but one bolt at the top.Piped around edge with a PU auto silicone sealant and bolted all the panels together again.Storms last night and no leaks yet.Cost £5 for the sealant.No condensation or damp.2 Hr job that will transform your Seat pleasure! Cheers