Every day, I receive quite a few emails via the Ask Tim page AskTheBuilder.com. A common question, believe it or not, is how to add color to concrete. It makes sense. A lot of people dislike the drab gray color of concrete. So people ask me about painting garage floors, steps, patios and even sidewalks. Paint, in my opinion, is not the best way to achieve the goal. First, paint can be slippery, as people typically want a shiny high-gloss finish. Something in our brains makes shiny things irresistible. This is why I think deck stain manufacturers have given us film-forming deck sealers that eventually peel. Paints on concrete will eventually peel as well, whether the surface is indoors or outdoors. I remember as a boy helping my mom paint our basement floor. It had been painted before, but it was peeling in places. The house was built prior to …