Sandstone Slab is a building block made from Sand at the Heavy Workbench. It is similar to Sandstone Bricks, but has much larger gaps between each brick, each brick being compromised of 6 blocks once enough blocks are connected. Sandstone Slabs. Each brick is made up of 6 blocks. Update Info v1.2.3 Added to the game. Retrieved from "https://terraria.fandom.com/wiki/Sandstone_Slab?oldid=514082" Categories: Blocks Craftable Items Items PC 1.2.3 Community content is available under CC-BY-SA unless otherwise noted.