Order you sand at almost wholesale cost. You can find sand used in many different ways, but not all of them are suitable for construction projects. Sand is mostly used as an aggregate in concrete, but if you look around, you'll see how important sand is to modern construction. Sand from deserts and beaches, for example, is not durable enough for most projects. Different types of sand are suitable for construction, but there are differences among them. Different types of sand are suitable for construction, but there are differences among them.