Rust under trailer on frame parts.
Our 2011 Jayco shows rust underneath on the frame, especially around joints and welds. I guess one option is to scrape and repaint. Another I think would be some sort of spray on undercoating/rust...
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Our '85 Wilderness is in pristine shape except for a lot of surface rust on the frame. It was never towed much but we think it was parked near the ocean for many years. I did use a large wire brush to knock off the loose stuff and then sprayed with Rustoleum rust reformer. Worked good under the TT. Didn't work so good on the A frame. I had a hard time removing two layers of old paint that had rusted thru. Hit it with the rust reformer which is also supposed to act as a primer. Rust is coming back thru the new paint, probably didn't get all the rust covered the first time as I have little patience when it comes to painting.
