Understand Joint Types and Their Purpose

>> That's the time and there's so much misinformation out there. That control joint that is put in the concrete when it's curing is designed to control when the concrete's shrinking and the cracking. And if you look down in that control joint, usually you see that's where your crack is. We can't see it here cuz you did a great job filling it. Control joints, absolutely once that window of the concrete curing, depending on how thick it is, is over, they can be filled, grinded, shaved flush, whatever system you're using,