Ready-Mix Concrete Over a Job Site Mix? When it comes to building something strong and lasting, the quality of your concrete matters. A solid foundation begins with a reliable, consistent mix—and that's where ready-mix concrete makes a big difference. Unlike traditional job site mixes—which are time-consuming, labor-intensive, and often inconsistent—ready-mix concrete is pre-blended for precision. There’s no need to stockpile sand, gravel, or cement, and no more guessing ratios. With ready-mix,