Generally it will be either or inch thick.
Door leaked and now floor board is rotten.
If you have a section of sub floor that has rotted through you ll be able to measure just how thick your sub floor is.
After thoroughly drying the floor using a mop and towels run a dehumidifier in the room where the water leak occurred.
One thing you may want to include is an doorway primer so that those that may need it will be able to learn the parts of an doorway.
Keep the air moving using a fan directed at the floor.
I have a sill or sub sill board that is rotten ant your great steps on how to do it i think is going to help me do it the right way as you have detailed the job so well.
Steps on repairing rotten door entry.
Stepping through the floor was not the first hint that it had rotted out but it sure moved the floor repair up on the priority list for a house with plenty of remodel projects to do.
Set your circular saw to the depth of your sub floor depending on what type of camper you have your sub floor will vary in thickness.
Other clues about the floor damage included discolored flooring mold along the wall and lots of opportunity for water leaks with washer toilet and water heater.
Soft rot fungi decompose wood more slowly than brown rot fungi and white rot fungi but thrive in temperatures too hot and too cold for the other types to survive between 0 and 110.
A rotting floor is an accident waiting to happen.