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Old 04-22-07, 09:38 PM   #1
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Best way to remove undercoating ?

Besides, fire, heating, grinding, scraping and carb cleaner. Is there a better way ?

I want to remove the undercoating underneath the entire car.

Sand blasting is out of the question too since it's in my garage.
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Old 04-22-07, 09:55 PM   #2
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I heard stove degreaser works, but I have yet to try it on my junk.
More importantly, Clutch released a new single, enjoy.

http://www.youtube.com/watch?v=41orqvymPA8
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Old 04-22-07, 09:56 PM   #3
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Well you shot down the 6 methods i used to get it off my car. No matter what it's not going to be easy. Even if you find a chemical that will take it off it just makes a big gooey mess. Have fun!
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Old 04-22-07, 11:24 PM   #4
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Quote:
Originally Posted by 13B-RX3
Well you shot down the 6 methods i used to get it off my car. No matter what it's not going to be easy. Even if you find a chemical that will take it off it just makes a big gooey mess. Have fun!
Yeah, that's what I figured. I just don't want to ruin the new garage floor
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Old 04-23-07, 01:02 AM   #5
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For rubberized undercoating use dry ice it will take it off nice and clean. The coating will actually shrink and crack in pieces and then all you have to do is scrap it off and it will come off clean all the way to the bare metal. You might think I'm bullshitting you but try it out you won't believe how well it works.
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Old 04-23-07, 06:20 AM   #6
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Quote:
Originally Posted by 13btnos
For rubberized undercoating use dry ice it will take it off nice and clean. The coating will actually shrink and crack in pieces and then all you have to do is scrap it off and it will come off clean all the way to the bare metal. You might think I'm bullshitting you but try it out you won't believe how well it works.
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Where th hell were you four years ago???
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Old 04-23-07, 07:27 AM   #7
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I heard dry ice is the way to go......
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Old 04-23-07, 08:01 AM   #8
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Dry ice for the stuff inside the car and aircraft stripper for undercoating under the car.

You can find the aircraft stripper at local auto parts stores. There is aerosols and brush on. DO NOT buy the "Low Oder" stuff. What ever they took out to keep the stink down also made it not work as well.

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Old 04-23-07, 10:30 AM   #9
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Quote:
Originally Posted by 13btnos
For rubberized undercoating use dry ice it will take it off nice and clean. The coating will actually shrink and crack in pieces and then all you have to do is scrap it off and it will come off clean all the way to the bare metal. You might think I'm bullshitting you but try it out you won't believe how well it works.
How the hell am I going to use dry ice on the bottom of the car ? Turn it on it's roof ?

Seriously, I don't know.
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Old 04-23-07, 01:17 PM   #10
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How about I just lay down some mattresses and turn it on it's side, that should make it easier.


Click the image to open in full size.
Click the image to open in full size.
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Old 04-23-07, 04:31 PM   #11
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They make a bolt on side rotessairre or you can make your own.
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Old 04-23-07, 05:12 PM   #12
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Quote:
Originally Posted by Viking War Hammer
How the hell am I going to use dry ice on the bottom of the car ? Turn it on it's roof ?

Seriously, I don't know.
My bad brother I was thinking the undercoating inside the car. Best thing for underneath like someone has already mentioned is aircraft stripper get the aerosol the other **** sucks. Unless you have an acetylene torch but it gets really messy.
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Old 04-23-07, 05:29 PM   #13
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Quote:
Originally Posted by 13btnos
My bad brother I was thinking the undercoating inside the car. Best thing for underneath like someone has already mentioned is aircraft stripper get the aerosol the other **** sucks. Unless you have an acetylene torch but it gets really messy.
Yeah, we'll see. I was worried about ruining the floor in my garage but I guess I can throw a tard down underneith the car.
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Old 04-23-07, 06:19 PM   #14
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Okey I did this on my FB. Some *** sprayed the whole bay. This method is highly toxic but works great.
1. Go to paint supply store and buy several cans of Poly Strippa (gel)
1b) protect parts you dont want stripped.
2. Apply to wherever you want paint/undercoating removed and wait
3. Putty knife away big parts of undercoating
4. High pressure wash the rest.
5. Repeat on stubbern parts
6. Clean up with solvent
7. Spray area with paint
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Old 04-23-07, 06:40 PM   #15
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Quote:
Originally Posted by Marek
Okey I did this on my FB. Some *** sprayed the whole bay. This method is highly toxic but works great.
1. Go to paint supply store and buy several cans of Poly Strippa (gel)
1b) protect parts you dont want stripped.
2. Apply to wherever you want paint/undercoating removed and wait
3. Putty knife away big parts of undercoating
4. High pressure wash the rest.
5. Repeat on stubbern parts
6. Clean up with solvent
7. Spray area with paint
Exactly, and this is what you get:

Click the image to open in full size.

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Old 04-23-07, 06:42 PM   #16
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Quote:
Originally Posted by bwaits
Exactly, and this is what you get:

Click the image to open in full size.

-billy
What do you get ?
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Old 04-23-07, 07:50 PM   #17
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Quote:
Originally Posted by Viking War Hammer
What do you get ?

Maybe I should have said: this is what you end up with. I was just concurring with the post of the process and showing the outcome.

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Old 04-23-07, 08:08 PM   #18
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Quote:
Originally Posted by bwaits
Maybe I should have said: this is what you end up with. I was just concurring with the post of the process and showing the outcome.

-billy
Well, your picture showed up as a red x, I had to sign up as a member on the other forum to see it
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Old 04-23-07, 09:19 PM   #19
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Well, your picture showed up as a red x, I had to sign up as a member on the other forum to see it

Wow.....I never knew it did that.

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Old 04-30-07, 06:05 PM   #20
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You guys are making this way too hard and toxic. If none of you have experienced the dreaded dowel pin leak in a 1st gen, then you may not have seen how easy it is to take off. I had a 1st gen with the leak and it soaked the bottom of the car, front to back, on the driver's side. That side had softened up the coating to where it could easily be scraped off. What was left after scraping came off with paint thinner and a scotch pad.

The untouched side came off nearly as easily, after it was softened with paint thinner, after scraping any loose parts off. Hardest part is getting the paint thinner to stay on the coating long enough to soak in and soften.

Mineral sprits works too, get the low odor type of either. Since the undercoating is bitumen based, any mineral solvent or petroleum based liquid, (gas, diesel, motor oil), will soften the coating. This method works well on fuel tanks too.
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Old 04-30-07, 06:05 PM
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