Dayle1 wrote:
On most units, the skin under the bedroom is not laminated construction and therefore nothing to delaminate. Instead the skin is attached along the edges and a few extra screws. It attaches directly to steel, only wood is the plywood bedroom floor which is several inches above the skin.
Also the forward bedroom wall is not attached to the fiberglass front cap and insulation behind the front wall may be minimal or shifted. I live in a hotter/drier climate but it seems that in cold weather, moisture will condense on the inside of the fiberglas front cap and then run down. In my case it drips out the low point of the trim between the cap and the underbelly skin. You could have a similar problem. But you could also have rain water leaks around the edge of the cap or at the clearance lights that would also collect under the bedroom.
Thanks for this informative response. This somewhat puts my mind at ease. Now I just have to find out how the water is getting in there. We're in Tofino, BC where it rains A LOT so this is likely this issue but I just dont know where the leak is coming from.