What you need to know for those who are going to make the foundation themselves? After all, this is the basis of the building, and its durability depends on liability in its creation. When the foundation is laid, you need to carefully study what the soil consists of a land plot, a possible freezing depth, groundwater level. When the solution is prepared, the concrete hardening time and the required constant humidity are taken into account so that the concrete is not dry ahead of time. It can often be watered with water and it is desirable that it is hidden from direct sunlight.