I used Altex Elite brushable on my deck
... rolled and tipped. I'm not a skilled painter, and I found it very hard to control as conditions changed. Getting the correct amount of thinner in teh mix was difficult for me, and it flashed off from the roller tray (even with a lid on it) very rapidly. Result was that the finish gloss was very uneven, there were some runs, and it looks pretty amateurish. I did learn a bit about the job, but don't know that I learned enough that I'd expect much better results the next time.
The gloss on the better parts
has held up well for nearly three years now, and if you apply the ten foot rule
it doesn't look all that bad!
If you watch a pro paint
it looks easy...!