I had landscaping rocks set in sand. The sand washed away about every three years leaving me with a rough wobbly patio. Houston Concrete brought me over six samples of custom colors. They just left after sealing the concrete. It looks amazing. It looks SO MUCH better than the old rocks. And in 10 years it will pay for itself. They doweled the patio into the slab of the house. There is a fine grit applied to the sealer to give it tooth in the damp. And it DRAINS beautifully. The workforce that did the work were very happy and that speaks to good leadership in a crew. I am very very happy. read more