Yes it is but it is more difficult to do a vertical surface rather than a horizontal. The epoxy wants to sag so it needs to be rolled over and over until it stops sagging. I think I might try a little bit more activator when I roll the block with the correct color but not sure. It might mess up the chemistry of the curing or something. I will just do like I did last time most likely and that is keep going in circles until it hardens.
If you look in the pictures you will see the beige they sent me on the block wall. They might have sent me the right color but it clashes with my wall color. The beige however in my opinion is a cream more than a beige.
I was going to paint the block this weekend but they sent me the wrong color flakes! Oh well I got other things to do.
