Por-15, ZeroRust, Rust Encapsulator, or Urethane? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 04-22-2004, 01:47 PM
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Por-15, ZeroRust, Rust Encapsulator, or Urethane?

I am having trouble making up my mind what to do on the undercarraige of my car. I am in the process of taking it to bare metal and repairing rusted areas by cutting/replacing with patch panels.

I was thinking about por-15 but after using it some on my daily driver, I am a bit disappointed with how the topcoat sticks to it. I understand that por-15 makes a tie coat primer that is made to bond to the por-15 but the last thing that I want to see is my topcoat peeling off after I put all this hard work into the car.

I read a bit of info on ZeroRust and it appears that topcoating is easier than por-15 and it is cheeper.

I also read up on Eastwood's rust encapsulator which uses a totally different technology than por15/ZR but also gets good reviews.

Lastly, I am removing all rusted sections and replacing with new steel. The car will not be driven in rain/snow. So I guess I could forget about it all and just go with a standard etching primer, primer, BC/CC. But I'd hate to see this car start to rust again as well.

So I'm torn. I just want a nice looking finish that won't rust. So what do you recommend?

No matter what, I would like to paint the undercarraige the body color. So I will be using an acrylic urethane BC/CC as my topcoat.


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Old 04-22-2004, 02:46 PM
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Powder coat it.




Last edited by willys36@aol.com; 04-22-2004 at 02:52 PM.
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Old 04-22-2004, 02:48 PM
GMW GMW is offline
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If you have access to shoot the bottom, like a rotiserrie, I'd just shoot it the same as the rest of the body.
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Old 04-23-2004, 06:21 PM
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Check out BarryK's post at the top of the list on ZeroRust...Bryan

"Deserves it's own post" is the title
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Old 04-23-2004, 08:36 PM
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por15 works well but id have to agree with above post, id powdercoat it body color as you want
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