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.
Roof frame rv rusted.
If you don t remove t.
You need to remove all of the rust prior to repainting the surface.
Any steel element of the rv that was not part of the ford chassis had rust on it.
Keystone must put the thinnest coat of paint possible on frame.
When a surface is rusted it continues to trap water will flake and then continue to rust.
The key to repairing surface rust on your rv is in the preparation.
They will fully sand the frame to remove rust and smooth out any damage.
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.
Once this is complete the entire frame is painted with a rust resistant primer.
Keystone rv raptor roof dealer must have pulled it to lot through salt and parked it without washing salt off.
You can flush water through the frame then follow up with compressed air to help the inside dry.
When i got it home crawled under unit to check things out rusted frame rusted stabilizer jacks rusted gas line fasteners.