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Topic ClosedRust on the frame

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cody91 View Drop Down
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Direct Link To This Post Topic: Rust on the frame
    Posted: 15 Mar 2014 at 10:52pm
I noticed some superficial rust on the bottom part of the frame of my R178.

I was thinking about doing one of the following:

1) Just spray semi-gloss black Rustoleum over the rust

2) Lightly sand the rust off, spray primer on the affected area, spray semi-gloss black Rustoleum over the primer.

Any thoughts/suggestions?

Thanks,

Cody91
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techntrek View Drop Down
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Direct Link To This Post Posted: 15 Mar 2014 at 11:11pm
Gotta get the rust off first, and apply primer to prevent new rust.  If you take option 1 it will all just flake off.
Doug ~ '10 171 (2009-2015) ~ 2008 Salem ~ Pod instruction manual
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Leo B View Drop Down
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Direct Link To This Post Posted: 16 Mar 2014 at 8:09am
I agree with Doug, you need to get rid of the rust first. a light sanding first should take care of it.
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Hairy Podders View Drop Down
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Direct Link To This Post Posted: 16 Mar 2014 at 5:02pm
POR 15 is a great heavy duty paint, meant for recoating rusted areas. Of course you still need to lightly sand the loose rust off first. Then clean the dirt & dust off. Rustoleum works well, but is a very soft paint that doesn't hold up chemicals well. That said, I scraped, primed & painted the frame & underside of our Coleman Columbia popup about 8 years ago & its holding up great. But it also sits in a heated & cooled garage year around & has only been rained on about 6 times in 9 years. It also gets washed & waxed before every outing....
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Sleepless View Drop Down
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Direct Link To This Post Posted: 16 Mar 2014 at 9:39pm
Here in Florida our boat trailers rapidly rust due to the regular dunking in salt water.  We use Ospho, a product that actually destroys any rust remaining after sanding the area.  It will then accept a finish coat of paint with no danger of peeling. or flaking.
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cody91 View Drop Down
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Direct Link To This Post Posted: 17 Mar 2014 at 9:55am
Thanks for the response everyone.  Looks like I'll be scraping some rust off the trailer once this snow goes away here in Virginia.

 
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David and Danette View Drop Down
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Direct Link To This Post Posted: 17 Mar 2014 at 3:25pm
Originally posted by Sleepless

Here in Florida our boat trailers rapidly rust due to the regular dunking in salt water.  We use Ospho, a product that actually destroys any rust remaining after sanding the area.  It will then accept a finish coat of paint with no danger of peeling. or flaking.
Ospho is great, just remove the lose rust no need to take it to bare metal. Apply Ospho let it dry then paint over. I have used on our trailers and the rust never returned. It chemically reacts with the rust and stops it very simple. Sort of like a antibiotic with a bacteria infection. If there is a member who is a chemist I am sure it could be explained better. marwayne, techntrek or anyone else how are you in chemistry? David
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kymooses View Drop Down
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Direct Link To This Post Posted: 17 Mar 2014 at 4:26pm
it converts the iron oxide into iron phosphates which are more stable and harder.  in turn making a better platform for primers and topcoats.
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