I have a door that is metal. It's primed white, and I'm going to
paint it with a semi-gloss latex paint. It either came from the store
with a dent and I didn't notice it, or I dented it somehow. It's a
scratch of about 12" long that made an indentation of only about 1/16"
to 1/8" depth. How can I patch this flat? I want something like
spackle that can easily be scraped flat, but that sounds too fragile,
and probably won't adhere well. Epoxy can't be scraped flat when
applied, and I don't think there's any good way of getting it
perfectly level with the door surface. Any other option that's like
wood filler, but for primed metal? Thanks
Back when Detroit made real cars that gave autobody men something to
work with, dents deeper than 1/8th of an inch were filled with body
solder, which came in a stick shaped like a rule and was squished on
with a torch. I don't know but solder can be probably still obtained
that way, although I would think any plumbing solder and flux would
work. I have used the technique when restoring cars was my thing, about
a lifetime ago. I don't remember it being especially tricky to do.
Not sure Tom is right, although it is true that heat on "tin" shrinks it
which matters when hammering out a dent stretches it. Again, I'm really
rusty on this stuff, but I seem to remember that heat disforming the
metal only came into play when I was welding with gas. Anyway, bondo or
fiberglass does work.
That takes me back a few years :)
IIRC this technique was called "leading".
The solder sticks usually contained lead and they were often used to
seal or fill in seams on vehicle construction, including Rolls Royce.
A large industrial type soldering iron was used to fill in pot holes
created by what was called "lead blowing" when previously leaded areas
containing air pockets popped after going through the spray ovens.
Vehicle Painting Pointers: http://www.stephen.hull.btinternet.co.uk
Coach painting tips and techniques + Land Rover colour codes
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