How To: Building a Patio With Pavers | HGTV
4. The base of the patio will be a 2inch layer of packed stone dust. Spread a layer of stone dust over the area. Start by laying two 2inch pieces of PVC pipe about 4feet apart. Dump loads of stone dust in the middle, and rake it out so it's slightly higher than the pipes. Take a piece of 2x4 and slide it along the pipes to take off the excess.