It rolls on with a regular roller but its the consistency of, say, jelly. It's pretty thick. It looks like Pepto Bismol when you apply it and after it dries it turns red.
The hardest part was getting the old caulk off of the tub and it still isn't completely clean. Mineral spirits doesn't work, caulk remover doesn't work, WD-40 doesn't work. Really the only thing that takes it off is a scraper.
With the World Cup going on I haven't made very good progress on this project. It should have been done by now.