You can view the page at http://www.propowerwash.com/board/upload/content.php?196-What-causes-ice-dams
http://www.thegrimescene.com/forums/content/71-about-ice-dams.html
Yeah we have done some, probably more that you do in AZ....lol Of course you don't always get snow and ice here in the winter, but sometimes yes we do.
Beth
p.s. yeah I'm aware of the source, I have that link in mine too....LOL
As bad as this sounds I hope we have a lot of ice dams this year.