For instance, a Quikrete bag that says 3500 means it has a compressive strength of 3500 psi. Mix design or Ingredients ratio can be adjusted to make different strength concrete. Normally, concrete is sold by the cubic yard, but it is also available in pre-mixed bags like Quikrete and Sakre...
How Many Bags of Concrete Do You Need? So far, we’ve covered how to calculate yards, but if your project is small, you can use pre-mixed bags of concrete. Pre-mixed bags are sold by companies like Quikrete or Sakrete and come in 50-pound, 60-pound, or 80-pound sizes. ...