Been working on my buddies 97 F150 and thought I'd share some pics.

Drivers side rocker



Had to cut this much out to get all the rust. I cleaned up the rust behind it and treated with Rustoleum rust reformer.



Welded in a patch I cut out of a subaru hood.



After a skim of filler and a couple coats of undercoating. I chose undercoating over bedliner because it said it was paintable and the bedliner did not.

 

The pass side was worse:




I decided to replace the rocker, which requires bed removal. Here's how I pulled it off working by myself



The frame had some spots that were pretty rusted. Took the pressure washer to it.




Used an air chisel as a needle scaler to remove the big chunks and treated with this stuff.... hope it lasts. It seemed to seal things up well, I am optimistic.

 

Then on to the rocker replacement.

Drilled out about 100 spot welds and cut the old rocker out. This is the old and new one laying on the floor. New one came from LMC for a little under $250 shipped





Cleaned up and treated the rust behind the rocker




Used plug welds to attach new rocker



I used some gloss black spray bomb at first, but decided to go with the undercoating in the end.




Did the strip all the way down the side to match the other side

 

looks great bashby! these trucks can be a PITA to fix rust on, me and my brother did my dads and it looks good but not quite as good as yours

 

I made a thread with some old pics of my dumptruck I ran across too. Thought I'd add a link in case someone wants to see a floorpan repair.
https://www.ford-trucks.com/forums/1...l#post12910186