Just Rigged our 2005 h260 for the season and have developed cabin ceiling leak when it rains, it drips out of the highest points on the cabin liner and runs down the side walls onto the seatcushions, I have put 3m product under the mast plate last season and that seemed to slow it but since raising the mast again its seems worse than ever, could it be originating from the channel that the keel haul line runs into and what can be done about that?