sll
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Post by sll on Jul 27, 2014 11:26:42 GMT -8
About a year ago I got tired of looking at the rusty bumper and tongue on our trailer. I painted over it using Rustoleum. Of course, I know now I should have primed. Live and learn! That being said, we are getting read to to the actual painting. As you can see from the photos, the rust is starting to come through the paint. Does we need to strip the paint on there now and then prime or can I just spray primer over the current situation and then paint?    |
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Hamlet
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Post by Hamlet on Jul 27, 2014 12:23:52 GMT -8
If you can get to an auto paint store, there is a paint (we used black) that binds the rust and stops future rust. It's gnarly stuff, and it must be used either outside or with a respirator mask in a well-ventilated area, but after 5 years in the perpetually damp Pacific NW, we don't have any more rust. We did get as much rust off as we could before we painted, and made sure that the frame was sound.
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lakewoodgirl
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1954 Lakewood
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Post by lakewoodgirl on Jul 27, 2014 12:27:24 GMT -8
There are paints & formulas that turn rusty surfaces into paintable surfaces with much success. But, you still should scrap & brush off what you can first. Products from Por-15 is popular with classic car enthusiasts.
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SusieQ
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'62 Shasta Compact
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Post by SusieQ on Jul 27, 2014 12:50:13 GMT -8
I use Rustoleum Rust Reformer. First, I brush with a wire brush and then I use good old fashioned Naval Jelly. Wipe on, leave it a few minutes, wipe off rinse with water. Dry it immediately (I use the air hose) and paint within 24 hours. Paint it with the Rust Reformer, like a primer and then paint over it.
I used this on my other trailer's frame a couple of years ago and it has held up really well.
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poncho62
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99 Springdale 5th Wheel
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Post by poncho62 on Jul 27, 2014 15:11:53 GMT -8
Best to strip it down to bare metal, prime and then a good coat of paint. Just a note, you are going to see rust through white a lot easier than black. I like to paint frames and bumpers a more flat black. It hides imperfections much better.
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sll
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Post by sll on Jul 27, 2014 18:21:13 GMT -8
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SusieQ
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'62 Shasta Compact
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Post by SusieQ on Jul 27, 2014 18:54:03 GMT -8
It will work wherever it comes in contact with rust. Poncho is correct about sanding it down. My Shasta frame still had some original paint on it. I did not remove it all, (geez, it had been there for 52 years) therefore it is not smooth. I did get it smooth enough that there were no flakes. Poncho is also spot on about the flat black. Mine looked great with the flat black Rustoleum Reformer, then I decided to paint it white and you could see ever pit in it. I'm going back to flat black.
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lakewoodgirl
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Post by lakewoodgirl on Jul 27, 2014 20:11:14 GMT -8
My frame, what you won't be able to see, is getting a final coat of rubberized undercoating. I'm doing the same to the wheel wells. Any little extra protection I can provide to the underneath of the trailer I am.
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Post by vikx on Jul 27, 2014 21:47:27 GMT -8
Satin black is prettier than flat and hides imperfections very well...
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SusieQ
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Post by SusieQ on Jul 27, 2014 21:50:30 GMT -8
I looked for black satin in the Rustoleum and didn't see any, so I tried semi-gloss on the frame where it doesn't show. I didn't like that either.
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Post by vikx on Jul 27, 2014 21:51:41 GMT -8
Rusto makes satin. They must be out of it. Krylon is OK as well...
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Post by norwellequipped on Sept 8, 2014 6:34:42 GMT -8
POR 15 Chassis coat will work extremely well too… Also check the website of any automotive rust inhibitors and sealants….Eastwood automotive has many many things to use…. www.eastwood.com |
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bimmrr
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Post by bimmrr on Sept 8, 2014 10:10:29 GMT -8
If you use POR-15, make sure to wear long sleeves and gloves. It will get everywhere but works fantastic. If it gets on you get it off quickly or you'll be wearing it until it wears off over time. I have used it on old British cars for years and nothing beats it. If it is exposed to the sun top coat it with some other spray paint. If not, should be okay as applied. And you do need to get any old paint off as although will adhere to the old paint, will not offer any rust proofing properties over existing paint. If it's rusty just knock off the rusty scale and you're good to go.
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