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Old 04-14-2009, 10:55 PM   #1
TJamz
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Replacing undercoat advice?(pics)

My next project is to completly remove the 3m rubberized coating on my frame and replace with something more durable/longlasting.
I know everyone is going to say use POR-15, but I was wondering what other products are out there. I'll use POR-15 if I can find some. Doing a quick check did'nt turn up anything around here.
As you can see from the pics the rubber stuff is cracking and peeling. I'm tired of having to keep touching this stuff up only to have it peel again.
I'm using a heat gun and some dollor store scrapers and wire brushes to get it off. Any post frame treatment advice? I think the coating just held in the moisture. Take a look at the pics and let me know what you think.

I got this bad boy for half price any Canadian tire.
[IMG][/IMG]

Here are some pics of the frame. You can see the coating cracking/ peeling:
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On some parts of the frame the 3m coating held up very well:
[IMG][/IMG]

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Old 04-14-2009, 11:14 PM   #2
Warpman89
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i believe por15 cant be applied to bare metal, it needs the 3 step process/kit to work

i am interested to see how it turns out
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Old 04-14-2009, 11:14 PM   #3
cb83580
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Rust Bullet! It's half the work as POR 15 (only one step after prepping the surface), but just as good. Some say even better.
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Old 04-14-2009, 11:40 PM   #4
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Hmm. Just looked up Rust bullet. Even may have found a guy that sells the stuff around here. Looks like good stuff, has a ten year guarantee, and cost slightly less than POR-15. I'll give him a call tommorrow and get more info.

Last edited by TJamz; 04-14-2009 at 11:58 PM..
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Old 04-15-2009, 12:03 AM   #5
TXjeepTJ
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keeping track of this thread.. I am doing a frame repaint this summer
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Old 04-15-2009, 08:09 AM   #6
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I think POR15 is going to be your best bet, I don't think there's much else out there that you can do yourself at home that will work as well or last as long.
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Old 04-15-2009, 08:27 AM   #7
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I too, would like to see how this goes. Winters in Ontario are pretty salty and slushy and my frame looks a lot like yours.

I used POR-15 as my bedliner for the entire interior last year and so far it has been great. Even with several days of leaving the top off in the pouring rain last summer, the product seems to be "bullet proof". However, it's a PITA to use, and next time I would use a matte/semi-gloss version if possible. As well, the product goes a long way, I ended up wasting almost half a gallon can of it. READ the instructions (doh!) about how not to waste it!

There is a POR-15 distributor in Quebec, seem to remember that shipping was no big deal.

Good luck!
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Old 04-15-2009, 12:21 PM   #8
Mini-Me26
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http://www.por15canada.com/can/dealerlist.htm

Checked there?

I need to spruce up my frame as well. Undercoating worked great, but after 11 years it's still not pretty. Are you guys planning on keeping up with the annual undercoating after painting the underbody or will you trust the paint to do the job and just patch up any problem areas?
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Old 06-24-2009, 09:37 AM   #9
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Alrighty. Sorry for the delay. I finally finished stripping off the 3m rubberized crap and applied two coats of Rust bullet and a coat of Rust bullet blackshell.

Here are some pics of the project:

This is the product I used. Thanks to the JF guys for telling me about this stuff.
[IMG][/IMG]
[IMG][/IMG]

Some pics of the frame after I scraped off all the rubber. It protected some areas quite well. Most of it though had extensive surface rust. Let this be a lesson to anyone considering getting a rubberized undercoat done:
[IMG][/IMG]
[IMG][/IMG]
[IMG][/IMG]
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[IMG][/IMG]

Earlier I used a pressure washer to clean the inside of the frame. I hooked up this hose to my shop vac to clean out the rest of the debris. I just ran the hose through the frame. Worked quite well:
[IMG][/IMG]
[IMG][/IMG]

Before I applied the Rust bullet products. I scraped, sanded, degreased the entire frame. I also used a mallet to hammer any rusted areas. I found this worked to remove any stubborn flakes of rust for better addesion of said product. For application I used the cheapy dollor store paint brushes. Heres some pics of the application:
I waited about 5 hours between both coats.
[IMG][/IMG]
[IMG][/IMG]

After 24 hrs (product guidelines) I applied a coat of black shell. The product said you can use whatever topcoat you want. The blackshell is usually used in marine or heavy industrial applications(in conjunction with rustbullet). I figured I may as well do it right the first time. I think overkill in protecting your jeep a must.
Pics of final coat:
[IMG][/IMG]
[IMG][/IMG]
[IMG][/IMG]
[IMG][/IMG]
[IMG][/IMG]
[IMG][/IMG]
[IMG][/IMG]
There it is. This stuff seems very durable. I'll keep updating this post. It's been a couple of weeks and The stuff is holding strong(no chips, cracks) The big test will be wintertime up here. I'll keep you guys posted.

I liked this product so much I used it on my new rear bumper(it came bare metal):
[IMG][/IMG]

Last edited by TJamz; 07-18-2009 at 07:14 AM..
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Old 06-24-2009, 10:02 AM   #10
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On a side note I found I was able to coat the entire frame in this stuff w/ out having to remove the tub. So the entire frame was treated including the top.
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Old 06-24-2009, 10:33 AM   #11
wmujeep
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In order to get to the top of the frame did you have to loosen the tub and raise it some? Or was there enough room between in the stock position? Also all looks great, I need to do this before next winter.
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Old 06-24-2009, 10:35 AM   #12
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Quote:
Originally Posted by Jamzjeep View Post
On a side note I found I was able to coat the entire frame in this stuff w/ out having to remove the tub. So the entire frame was treated including the top.
Good post for future maintenance...is that a Titan Quest figure in your signature?
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Old 06-24-2009, 11:03 AM   #13
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Quote:
Originally Posted by wmujeep View Post
In order to get to the top of the frame did you have to loosen the tub and raise it some? Or was there enough room between in the stock position? Also all looks great, I need to do this before next winter.
I was just able to get in there with my fingers to clean it. I did not loosen the tub. You can just get in there with a brush for application to.
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Old 06-24-2009, 11:04 AM   #14
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Quote:
Originally Posted by Ironwind1972 View Post
Good post for future maintenance...is that a Titan Quest figure in your signature?

Spartan...
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Old 06-24-2009, 02:22 PM   #15
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bump......
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