On Fri, 22 Jan 2010 22:12:49 -0600, Red Green
wrote:

Prep? You mean you can't just spray the bulk dirt off with a garden hose
and then paint right over the remaining dirt, mildew and moss?

Of course you can. "Painters" do it all the time.

In the ole days, there was "spick-and-span", used for washing for
paint prep.

I figured I would never get all the desert dust out of my rough
textured stucco.

Power washed and painted..