"Already a few steps ahead of you there. There are some soft spots, like water had got up under the tiles, but the tiles themselves are in good shape so probably just the under mounting and backer board is needing replacement. But the ice dams is why I want to try and get electric up here. I can run this tubing stuff just below the moisture barrier and no more ice dams." Though this year was the first year that had happened on the island. With the way things were on the roof it had happened quite a few times. "Once I'm done with that roof it'll out last us all."