Prepare a layer of sand at least 5 cm thick on the existing substrate (screed or gravel surface). Level the surface with a straightedge and check its flatness.
2
Place the slabs dry on the sand, ensuring that the distance between them is uniform across the entire installation surface. Lightly tap with a rubber mallet to stabilize the installation.
3
Add sand between the joints to level the pavement. Clean the surface of the slabs.