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Old 06-21-2011, 11:31 PM   #1
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Underside Rust

I am wondering if anyone has any thoughts on painting/covering underside rust. This summer I will be taking out the interior carpet and replacing with "rhino lined" type material. I am wondering if this will work on the underside and bumper. You can see the rust and wondering if anyone has any cheap way to 1) make it look gook and 2) stop the rust! If i can figure it out, I will post pics of the "seeable" rust...

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Old 06-21-2011, 11:39 PM   #2
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pics


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Old 06-21-2011, 11:41 PM   #3
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rust

The rust is on the underside, you can see the rust under the door and in front of the front wheels...
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Old 06-21-2011, 11:42 PM   #4
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You can make it look good by painting it. A good way to stop rust is POR 15. if it's just surface rust hit it with a wire brush and paint over it. I did mine a couple weeks ago. I don't have before pics but it was decently rusty. The brown specks are dirt spots.

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Old 06-21-2011, 11:42 PM   #5
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I have been spraying my underside with spray can rustoluim bed liner.

I wash one small section at a time super good and use my power washer on super beast mode to get any loose rust or paint off, let it completely dry, then paint. i have just been doing 1 can at a time and i hope to have it done by late fall. I plan on doing touch ups annually since im skipping alot of prep work and stuff. but so far it works for me and looks amazing.

here is an example of just working on the passenger side rear wheel well. the power washer with the super strong wand acts as a water jet and will blast off quite a bit of rust. it puts the jeep out of commission for a few hours but its no more thyen 1 hours worth of work. its mainly waiting for stuff to dry and double checking its clean.
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Old 06-22-2011, 12:06 AM   #6
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I had the thought of painting it with a spray can after using a rust stopper but I'm skeptical that it will not last but maybe thats the cheapest/easiest (which I'm a fan of) way to go. Does it last?

The Mr. RPM post, is the rustolium bed liner similar to the spray-in bedliner material? The reason i am thinking that direction is because I am going to do the interior that way also. Would that last on the underside?

Thanks for the posts, I'm new to working on my jeep but its addicting!
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Old 06-22-2011, 12:13 AM   #7
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Its similar to any type of bed liner. its pretty mild though, not as textured as the expensive stuff. its more of a heavy duty textured spray paint. i like it because its cheap and i can pick up a can or 2 at wal-mart any time. It feels like a fine grit sand paper when its dry. i have heard some liners can feel like a rough cement or concreat when dry.

for the interior i would use something a little more expensive since its more of a 1 time job. but the exterior can be touched up any time the weather permits, so thats what works for me. its the lazy cheap way to do it. so far it looks great and the power washer does not take it off when returning to paint near by. it may just work as well as other more expensive products, but i doubt it. we will see!
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Old 03-22-2012, 06:46 PM   #8
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If you buy the Herculiner kit at Autozone for your interior you will have enough left over to do your bumpers, fender flares, and license plate holder...I know because I did all this stuff. I really think it looks great and have gotten a lot of people telling me it looks good.
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Old 03-22-2012, 06:52 PM   #9
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since the thread has been brought back up....don't do what I did. it was a waste of time lol
better off doing it right and using POR15 or doing something else like fluid film
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Old 03-22-2012, 07:10 PM   #10
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Use a rust converter before the por
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Old 03-22-2012, 10:14 PM   #11
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Quote:
Originally Posted by GoldenSahara00 View Post
Use a rust converter before the por
POR-15 is a rust converter & encapsulant so using a rust converter first is redundant. That stuff is awesome albeit a bit expensive (compared to rattle can that is).
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Old 03-23-2012, 12:38 AM   #12
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Quote:
Originally Posted by Blackpony04

POR-15 is a rust converter & encapsulant so using a rust converter first is redundant. That stuff is awesome albeit a bit expensive (compared to rattle can that is).
I'm thinking of whatever their prep product is, I thought it was a first stage converter and cleaner for the surface and the por 15 took care of the rest. It's been a while since I've looked at it.

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