The RockSmooth Walls Mod allows you to build walls that appear to be smoothed. All stones are available, as well as metallic & wooden walls. So they have the same stats as a normal wall.
RockSmooth Walls Mod Review
Building a mountain base? Does it bother you that smoothed walls don’t look the same as constructed walsl? The RockSmooth Walls Mod is perfect for perfectionists who want all walls to look the same. Now you can build smoothed walls to complete your base!