How to strip underbody coating?

R

Rkevs

New Member
Hello
I just found this site tonight after reading that this is one of the best restoration sites on the web.
I have a 65 Chevy C10 Step side I am restoring, there is tar and what I assume is factory undercoating (also looks like tar) under the fenders.
I have been using a dull blade on my oscillating tool to scrape it off which is slow and loud, is there a better way ?
I have some chemical stripper ( forgot the name) that I haven't tried yet but was going to try a little spot Monday.
 
How hard is it? In the SW that old undercoating gets hard and dry. I use a scaler to knock most of it off (you have not heard loud yet) then go to the propane torch and scraper. The old Aircraft stripper would take it off but was messy. The new stuff is about 1/2 as effective so you need to typically get most of it off then use it. Look for YouTube videos of using dry ice. I have no idea if that works for real or not. It is a messy, loud not fun job no matter how you do it.
 
Use a heat gun to get it warm and just slightly soft, score it in a checkerboard grid with a utility blade, then scrape if off with a razor blade scraper and it comes right off. If it's too thick a blade will break and you'll need to use something like a 2" metal putty knife. This method is quite fast and easy.
 
I used a heat gun and a stiff putty knife on my '57 Chevy. After that high strength Goo Gone to wipe down the residue
 
I use a sharpened headliner insertion tool. It’s one of my favorite repurposed tools. Way better than a putty knife since it has a slight curve to it, and heat.
 
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