[AMRadio] Bondo

Mike WE0H we0h at yahoo.com
Mon Jun 30 18:47:07 EDT 2008

What material is the panel made of? If steel, I would braze up the holes 
and grind them smooth and use a tiny skin layer of the body filler to 
make them glass smooth for finishing. You could solder them up also. If 
aluminum, I would use those low temp aluminum brazing rods and braze the 
holes shut. You could also use the higher temp aluminum brazing rods 
with brazing flux or gas weld them with aluminum rods/flux. Finish with 
your favorite body filler. Duraglass is a polyester based filler that 
does NOT absorb moisture. That's an option too.

Have fun,

Rick wrote:
> I haven't used auto Bondo in many years, so maybe someone on here can assist
> me.  I have a few small holes where non standard controls have been added to
> a cabinet and would like to fill and finish them.  They are no more than
> 3/8" in diameter.  Can I just fill them with Bondo or do I need to place
> some kind of backing inside the cabinet first?
> Is Bondo the best material to use?  I'll be painting it later.
> Thanks for any and all assistance.
> Rick/K5IAR

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