Dark Concrete

Dark Concrete is an building Block added by GregTech.

It is made by processing Light Concrete with water in an Chemical Reactor.

There are different Types of Concrete: Concrete, Concrete Cobblestone, Mossy Concrete Cobblestone, Concrete Bricks, Cracked Concrete Bricks, Mossy Concrete Bricks, Chiseled Concrete and Smooth Concrete.

All Types of Concrete give an speedboost while walking on them. Two layers of Concrete or Concrete above Ice gives an extreme speedboost. The Brick, Chiseled and Smooth versions also stop Mobs from Spawning above them.