I'm turning a one car garage into an office and want to paint the floor. I bought some Behr concrete paint, and the guy at Home Depot insisted that I have to put down a layer of primer first.
Do I really? This garage may have held a car a long time ago, but the floor doesn't look greasy at all. I'm not going to be parking a car in here, it's going to be an office with pretty light wear and tear. Also, I'm lazy, so I'm willing to gamble on this unless it's really stupid.