You'll need to pressure wash to get the loose stuff off. It's that or scrape and
sand. You won't get *all* of the old finish off, though--just the loose bits.
The same color should do fine, as long as there's not too big a color difference
between the wood that has turned gray because the finish flaked off last year
and the wood that's newly bare because of pressure washing. If there's a big
difference, look into the deck bleaching chemicals.
Is it top rated by Consumer Reports Cabots? I regret putting that on my
deck. Sure it lasts longer but how do you get it off to re do it? Can't
sand because the wood has arsenic or other wonderful stuff in it. My answer
is I plan to take down the deck.
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