It has worked fine on my boat. I've had a couple high wear areas that chipped away, but they're easy to recover again if you save some of the material. Apply it in cooler weather. when temps are hot it tends to 'stipple' more instead of having the nicer ripple effect that you'd desire.
S/V Don't Panic!
“Navigare necesse est, vivere non est necesse” To Sail is vital, to live is not.