On Sun, 15 Oct 2006 21:03:09 GMT, mtco wrote:

What is the best way to find out the type and amount of insulation
installed inside an exterior wall? By "best" I mean minimum effort and
the least likelihood of the attempt turning into a big repair job.

The wall in question has drywall on the inside and vinyl sidings on the
outside.

Thanks in advance.

Pull a lightswitch box and look.