Stamped Concrete can be installed two ways. First is full depth straight to finish Stamped Concrete. We take over after the G.C. has placed and compacted the gravel bed. We then install re-bar, place the forms and then install the concrete full depth. Once concrete is installed when then proceed with the process of installing color hardeners and stamping. When the concrete has cured the final step is addition of a sealer. 
The second method is to install the Stamped Concrete at a minimum of 50 mm deep over a existing concrete surface. This is the most common method utilized in the Philippines. The same steps are followed as explained above with the only change being the depth of the concrete is 50mm.