Stained concrete floors are a beautiful, cost efficient flooring option. But there are some drawbacks that clients need to be aware of. One quick search on Pinterest will show you hundreds of floors that look perfect. Many of these are new slabs that have never had any tile or carpet touching them. Removing tile and want to stain the concrete? Tile has thin set under it. It's going to have to be removed by mechanical means. This can expose aggregate which may not take color