On 06 Mar 2004 16:20:43 -0800, Bob Fry
wrote:

Do you try to remove the existing stuff, or just goop it on over
whatever is there now? What prep do you do to the existing surface?

Best thing I've found to peel it off with is a pressure washer.

If you really want to prep it properly, depending on what you find
under the old stuff, you would want to etch and alodine it.

TC