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Old 07-01-2006, 04:37 PM   #15
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Quote:
Originally Posted by ticki2
Can anyone tell me what Por-15 instructions say about previously painted surfaces ? Thanks
In a nutshell, it won't stick.
It's difficult to remember while you're in the middle of using it, but POR-15 isn't paint, and it doesn't adhere to painted surfaces or even unoxidized,clean steel. The new steel I used to patch the floor panels on my rusty old '46 Jeep had to be oxidized with Metal Ready. Even the rusty old Jeep had to be reoxidized with Metal Ready after I had it sand blasted, because POR-15 doesn't like unoxidized, clean steel.
I say again, it isn't paint.
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Old 07-01-2006, 05:15 PM   #16
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One Reason I Don't Always Recommend POR-15...

Quote:
Originally Posted by klevan
In a nutshell, it won't stick.
Even the rusty old Jeep had to be reoxidized with Metal Ready after I had it sand blasted, because POR-15 doesn't like unoxidized, clean steel.
I found myself asking myself, " Self, are you really spraying this freshly sandblasted Jeep body with Metal Ready and hosing it down with water?"

The outcome of course was a totally oxidized (rusted) Jeep body, except now it was now oxidized in every nook and cranny where before it was only rusted in places.

Professional paint and body people were incredulous when I told them about the process, because as I learned too late there are far superior methods of dealing with sand blasted steel.

POR-15 is for painting over rust (POR), get it?
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Old 07-01-2006, 06:19 PM   #17
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Talking can i ask just to be sure......

if you were buying one or the other but could not have both....

for cleaning up the frame and paint with a rustoleme (sp) product....

sandblaster or needle gun.......

which would be better....

thanks
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Old 07-01-2006, 09:10 PM   #18
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Quote:
Originally Posted by klevan
POR-15 is for painting over rust (POR), get it?
Yea, but....I sandblasted my frame. Most of the frame, I did a "shell on" frame resto. It worked out very well. I sandblasted first. Then "painted" on the Metal Ready, hosed it off. Let it sit overnight to completely dry, then put two coats of POR-15 over the whole thing. For the parts that I couldn't sandblast, I simply scraped with a wire brush, cleaned a bit, then painted the POR.

It was a pain to work with as I brush painted everything (i.e., the ENTIRE frame), but I don't have the skills (or money) to spray POR.

I think the POR product line is a wonderful choice for us "home hobbyists", if I can use that term. The POR folks made it easy for us, relative to the job at hand.

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Old 07-01-2006, 09:22 PM   #19
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Quote:
Originally Posted by Jim & Susan
I think the POR product line is a wonderful choice for us "home hobbyists", if I can use that term. The POR folks made it easy for us, relative to the job at hand.

Jim
I agree, Jim. I must have used more than $500 worth of their various products. I love their manifold paint. But for a frame off restoration, where you can sandblast the entire frame to bare metal, I would not use POR-15 again nor would I recommend it for any clean, bare metal application.

I will use it, just as you have, for projects that can't be sand blasted in their entireity.
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Old 07-01-2006, 09:37 PM   #20
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Just out of curiousity, what would you use? (Sincerely asked)

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