Can You Put Stone Veneer Over Concrete Porch/Patio? (How To)
If your concrete is painted or treated, you will need to install a metal lath over the concrete to create a surface to which the stone veneer can adhere. Next, apply scratch mortar and let it dry for two days. You can then use mortar to coat the back of each stone and place them where you want on the scratch coat. Repeat this final step.