[Chrysler300] Removal of 55 year old undercoating
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[Chrysler300] Removal of 55 year old undercoating



Good morning,

Thank you to everyone for their good suggestions.  I'm glad nearly everyone
also copied the Club.  Mike Van der veen in Australia just replied to me
noting good results using a heat gun, scraper, and final cleanup with a 3M
rubber stripping wheel.  It was also a good lesson to me to ask my questions
first to all the experts in our Club before plowing ahead.  I now want to
also use some heat and will be very careful to properly deal with the
petroleum based solvents I've used to saturate the old undercoating.  

So thank you all again.

Carlton Schroeder

(from even colder today Eagle River, WI)

 

 

 

 

Subject: Re: [Chrysler300] Removal of 55 year old undercoating

 

  

When I cleaned the inner fenders of my 65 I took them to a media blasting/
metal cleaning company. They removed the undercoating by baking them in an
oven. The undercoating became brittle, lost its adhesion to the metal parts
and practically fell off. They were then media blasted and prepped for
paint. 

 

My car was very rust free, the undercoating on the underbody was steam
cleaned and lightly recoated with fresh undercoating overtop the original. 

Just in case you needed to know, this was sent from my iPhone. 


On Jan 12, 2017, at 8:47 PM, Noel Hastalis cpaviper@xxxxxxxxxxx
[Chrysler300] <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:

  

Hello Carlton,

 

I don't know how far along you are in scraping the undercoating from your
fenderwells, and how bad the integrity is of the undercoating. John Begian
put me onto using Truck Bed Coating - I've used the Dupli-Color aerosol
cans, available at any Napa, etc. store. The product name is TR250 Black
Truck Bed Coating. It's easy to tape off the surfaces you don't want
sprayed, and spray over the factory-applied wheel well undercoating. It
retains the 'rough' factory spray-on finish, and looks great. You'll need at
least a half-dozen spray cans, if going this route.

 

Good Luck!

Noel

On January 12, 2017 at 9:54 PM "'Carlton Schroeder' schroe99@xxxxxxxxxxxx
[Chrysler300]" <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:

  

Hello from the very snowy and very cold Northwood's of Wisconsin,

(and Eagle River, home of the World Championship Snowmobile Derby)

 

I am currently in the middle of the very unpleasant job of removing old and
hard but very well attached old undercoating on my 300H. The bottom of the
car is complete (sand blasted and painted although there was not much
undercoating left) so it is only the inner and outer fenders (with thicker
undercoating) that I need to clean of undercoating.  The fellow who will be
painting is reluctant to try to sand blast it off so I am using PB Blaster,
Liquid Wrench, and kerosene to soften and then scrap off the undercoating.
I'm working in about 50F temp in my garage so I could probably warm up
(kerosene tube heater) the fenders further if that would help.  Or if there
are stronger solvents that don't evaporate too quickly, that would probably
help too.

I'll appreciate all suggestions.

Thanks,

Carlton Schroeder    


 





[Non-text portions of this message have been removed]



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Posted by: "Carlton Schroeder" <schroe99@xxxxxxxxxxxx>
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