Once this is complete the entire frame is painted with a rust resistant primer.
Roof frame rv rusted.
A light coating is not a problem but if the rust is thick it will eat right through the metal.
Keystone rv raptor roof dealer must have pulled it to lot through salt and parked it without washing salt off.
When a surface is rusted it continues to trap water will flake and then continue to rust.
An rv specialist can blast it off repair any damage and then paint the undercarriage with a protective coating but having him do this job will be extremely expensive.
If you don t remove t.
When i got it home crawled under unit to check things out rusted frame rusted stabilizer jacks rusted gas line fasteners.
Any steel element of the rv that was not part of the ford chassis had rust on it.
After years of driving the tubing can become filled with rust dirt and gravel allowing for moisture to soak and eventually rotting out the frame.
For severe rust which covers a large percentage of the frame or has begun to cause pitting or scaling on the metal a body shop like central body co inc is your best repair option.
You can flush water through the frame then follow up with compressed air to help the inside dry.
The key to repairing surface rust on your rv is in the preparation.
You need to remove all of the rust prior to repainting the surface.