6+ Floor And Decor Grout Mapei — For Construction Pros: FF FL Testing Mistakes: Understanding Concrete Floor Profiler Data Better “Area doesn’t meet surface profile tolerances”, is not what you want to see on an F F /F L report as a commercial concrete flooring contractor. The moment a test agency submits a failing report, ... Thanksgiving, Christmas and New Year's are bearing down. Family is coming over. What about that cracked and crumbling grout in your bathroom or on your kitchen backsplash? No worries -- you can have ...