On Sat, 28 May 2011 11:53:13 -0700 (PDT), zek wrote:

my house has walls that are very thick and heavy. Cutting electrical
outlet holes and ceiling holes is very difficult. Using a saws all
with a big tooth demolition blade, I get maybe 20 inches before the
blade is flat. Ceramic blades are much worse. Am I doing it. Right?
I find finer tooth blades are worse.

Let me guess; you live in Rockview State?