Well my Argosy had a solid floor throughout, at least I thought so.
After removing the water heater I found an area about 16" wide and 4 inches deep that should be replaced.
After skiming this section I saw nothing that hinted to what the stock plywood thickness is.
What is it??
After I install it I am going to use that epoxy sealer that absorbs into the rest of the wood. I've already hit the areas that are near water fixtures. Under the sink, under the water pump, etc