While cleaning the 5th wheel for the winter, I found some soft wood. Like so soft hat the vinyl covering was all that was there.
I opened up the area and removed the wet insulation. I can't be sure where the water came from, but the window is the prime suspect. I have duct taped around the window for a temporary seal.
I see some epoxy products that are supposed to penetrate DRY rotten woon and harden to restore some structure. Has anyone experience with any of these?
At this point, my plan is:
1) Seal from additional rain.
2) Dry out the wood.
3) Remove as much rotted wood as possible.
4) Treat the remaining wood with epoxy
5) Add sister studs as possible, and reframe around the window.
6) Install a new panel over the repairs and trim.

Any other ideas?

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1982 300SD " Wotan" ..On the road as of Jan 8, 2007 with Historic Tags