My mums concrete yard is uneven. The diagram below attempts to portray an idea of the situation. The blue arrow indicates water flow and the black lines arent so much cracks as ridges in the concrete. I dont know why they are there but have been since we moved in about 15 years ago. Eventually, mum would like the area covered with flat pebbles, but first it might be smart to eliminate this drainage problem. Since I dont have any experience in this area, what might be the best option, considering that the area is about 15 square meters? Would self-leveling concrete do the trick? Does it need to be split up into smaller areas to avoid cracking? Will the new concrete bind to the concrete below okay?
