Cuprinol UV Sunblock -2 coats?

Do you put 2 coats of the Cuprinol UV Sunblock on, especially on the horizontal where most of the abuse is or only one?
Most of the decks here are really weathered and the sealer soaks in really fast.

thanks,
Steve

You can put two on, but they have to be wet on wet.

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Dan Flynn
Flynn Service Pro
www.powerwash.net
708/715-4206