Walls are block that are placed exclusively in the background. They are crafted with one of the corresponding block to make 4 walls.
Terraria Wiki
Terraria Wiki
This wiki is currently discussing merging with its counterpart. Read more information about what this entails here, and vote on it here.
READ MORE
Walls are block that are placed exclusively in the background. They are crafted with one of the corresponding block to make 4 walls.