Bondo a good idea.The roof is thin metal, will the Bondo crack if roof moves?
Sidecarflip, The water got the ceiling wet, the vinyl wall paper on ceiling kept it water tight, it stayed wet, not really rotted though.
I pulled it all out of areas over the metal framing, pulled plys off, and left the las ply that is bonded to the foam. Hoping it will dry and make things easier to glue back up as easier to glue to wood than this white foam.
One wall is wet, and everything except the exterior skin removed. Keeping the skin intact and fixing from the inside so I do not have to pull the entire outer skin off the 22 foot length… Hoping it works , no reason not to…