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Removing undercoating
- Thread starter mijocan
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Britishautobody
Jedi Hopeful
Offline
If a heat gun won't loosen it , the only other methods I know of will ruin the paint to remove the undercoating . Those are using laquer thinner and using air craft remover <stripper> . This is my least favorite task in the entire world of auto body!
64rocksprite
Jedi Trainee
Offline
I had real good luck using a heat gun and a razor-blade scraper on my Sprite to remove the tar-like stuff in the wheel wells and undercarriage. Not sure if its the same stuff that you're looking at though.
Be careful..those guns will put out some HEAT. I had already decided to strip paint so I wasn't worried about it, but use care if you have a finish you want to keep on the other side of the heated area.
I used the same gun/blade to strip 3 layers of paint..(on purpose!) granted, I needed to heat the area a bit longer to get the paint off..
It does get the nasty stuff off though!
Be careful..those guns will put out some HEAT. I had already decided to strip paint so I wasn't worried about it, but use care if you have a finish you want to keep on the other side of the heated area.
I used the same gun/blade to strip 3 layers of paint..(on purpose!) granted, I needed to heat the area a bit longer to get the paint off..
It does get the nasty stuff off though!
swift6
Yoda
Offline
Heard of an interesting approach to removing undecoating, and even some paint, the other day while having lunch with some other car buddies. Some of which prep production cars into rallye cars.
Liquid Nitrogen. Freeze it, tap it with a hammer and watch it fall off. The hardest part is getting the set up to spray the liquid nitrogen. Your local welding/gas supply should be able to hook you up and give you a safety run down.
The guy telling me about related a story of three guys completly stripping an E36 BMW coupe to bare metal, inside and out, in one eight hour day.
Liquid Nitrogen. Freeze it, tap it with a hammer and watch it fall off. The hardest part is getting the set up to spray the liquid nitrogen. Your local welding/gas supply should be able to hook you up and give you a safety run down.
The guy telling me about related a story of three guys completly stripping an E36 BMW coupe to bare metal, inside and out, in one eight hour day.
Online
After I had enough struggling trying to get the undercoating off, I made the decision to have the whole body tub chemically stripped. It came out great, but obviously you must get a coating on it right away.
OP
mijocan
Freshman Member
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G'Day
Thanks guys As soon as I can my car out of winter storage I will start trying some of these solutions.The nitro sounds like fun,I had forgot that I had seen in Sweden that they dispose of used tires that way.The tire comes along on a conveyor and is dipped in to the liquide nitro and then dropped on to a hard surface ,it shatters like a windshield into tiny particles.Next a magnet comes over and lifts all the metal bits up leaving just the rubber that is then used to be mixed with asphalt for paving .It apparently makes a superior road.
Thanks guys As soon as I can my car out of winter storage I will start trying some of these solutions.The nitro sounds like fun,I had forgot that I had seen in Sweden that they dispose of used tires that way.The tire comes along on a conveyor and is dipped in to the liquide nitro and then dropped on to a hard surface ,it shatters like a windshield into tiny particles.Next a magnet comes over and lifts all the metal bits up leaving just the rubber that is then used to be mixed with asphalt for paving .It apparently makes a superior road.