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How to remove undercoating?

makemeknowit

makemeknowit

Kwisatz Haderach
Joined
May 19, 2020
Member Number
72
Messages
278
Loc
Memphis, TN
Oven cleaner doesn't do shit. I hear a needle scaler works pretty good. Any toxic chemicals that'll eat it? What's a dry ice rental cost? Heard that might work.
 
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makemeknowit said:
Oven cleaner doesn't do shit. I hear a needle scaler works pretty good. Any toxic chemicals that'll eat it? What's a dry ice rental cost? Heard that might work.
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Oven cleaner is caustic/lye based and is designed to attack & soften organic materials like splattered food residue. That's what makes it so effective on drain clogs like hair & grease. Of course, that's also what makes it so dangerous when it gets on your skin.

Mechanical methods like a needle scaler or the abrasive disc shown by Unka-Boo will work on just about any material. They may be messy and labor-intensive, but they are nearly always effective.

Start by identifying the undercoating. Is it hard like powder coat? Is it soft & rubberized? Is it waxy and oily like NHOU?

Knowing the material will help plan the most effective removal method.
 
Grinder stripper wheels are my goto.

10 Pack Strip Discs Rust Remover Wheel Stripping Wheel for Angle Grinder Paint Strip Wheel Quick Abrasive Discs Rust, Oxidation, Paint Remover (4-1/2'' x 7/8'') Amazon.com
 
woodtoolguy said:
Oven cleaner is caustic/lye based and is designed to attack & soften organic materials like splattered food residue. That's what makes it so effective on drain clogs like hair & grease. Of course, that's also what makes it so dangerous when it gets on your skin.

Mechanical methods like a needle scaler or the abrasive disc shown by Unka-Boo will work on just about any material. They may be messy and labor-intensive, but they are nearly always effective.

Start by identifying the undercoating. Is it hard like powder coat? Is it soft & rubberized? Is it waxy and oily like NHOU?

Knowing the material will help plan the most effective removal method.
Click to expand...
I was shop stooge at a body shop in HS, had the misfortune of stripping undercoating off a Pantera...that was the only thing that worked worth a shit..
 
Wait for winter, at 20* it flakes off when you hit it.
 
makemeknowit said:
What's a dry ice rental cost? Heard that might work.
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Rental. What will you be returning? :lmao:

Dry ice works. But you need a rotisserie to be effective as you need to crush it and leave it in place for 15 mins. So no vertical or upside down. Hence the rotisserie

Actually that is for seam sealer. For seam welding chassis. Think we just hammer chisel’d the undercoat off
 
XtremeJ said:
Rental. What will you be returning? :lmao:

Dry ice works. But you need a rotisserie to be effective as you need to crush it and leave it in place for 15 mins. So no vertical or upside down. Hence the rotisserie

Actually that is for seam sealer. For seam welding chassis. Think we just hammer chisel’d the undercoat off
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Dry ice and isopropyl alcohol
 
Aisin said:
The correct answer is Mexicans. Two of them.
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Seriously. I was about to say that even as stingy as I am about paying people to do things that I can do myself I'd probably be willing to pay for someone to do that shit since the only way I know to do it is grind it off. That sounds like a whole truckload of "fuck that shit".
 
XtremeJ said:
Rental. What will you be returning? :lmao:

Dry ice works. But you need a rotisserie to be effective as you need to crush it and leave it in place for 15 mins. So no vertical or upside down. Hence the rotisserie

Actually that is for seam sealer. For seam welding chassis. Think we just hammer chisel’d the undercoat off
Click to expand...
Dry ice blasting rental I should have said
 
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