Originally Posted by speed racer
I beleave we have lost the intent of this thread and I am in part to blame.The important thing is to get the seface as clean as posible. Free of dirt. oils. waxes or any other contaminants that mite have come in contact with the surface.
Proper "surface prep" is the most important step... (whether you're caulking sealing or painting).
The "application instructions" for nearly every caulking, sealer or paint list the recommended solvent, or solvents, to use when prepping the surface.