How Do You Make 4000 PSI Concrete?
Most people outside of the construction industry do not realize that concrete comes in various strengths. These strengths are gauged according to a PSI rating. PSI stands for pounds per square inch, and refers to how much weight the concrete can safely support. For most construction jobs, including driveways and sidewalks, 4,000 PSI should be used. Although there is a 5,000 PSI concrete product on the market, 4000 has become the industry standard. Making the concrete is a very simple process, once you have the required ingredients. Calculate the cubic volume of concrete you will be pouring. This is important because it is what tells you how much concrete mix to purchase. Measure the cubic feet (or cubic inches) of concrete you will need to pour by measuring the length of the area, the width of the area and the thickness of the concrete slab you will be making. Purchase as many bags of concrete mix as you need to complete your job. You can look at the instructions on the bag to see how