They scuffed it, then sprayed. They told me it 'might not hold' and that they 'couldn't offer me the guarantee' but it's been damn near 3 years and not one problem.
I had a rack of other sh!t sprayed too...scroll through this thread:
http://www.elcovaforums.com/forums/s...ghlight=line-x
I love the stuff...you spray it and you never have to worry about it again.