Researched
Fired Brick
Kiln-fired clay bricks give early cities weatherproof, standard-sized building blocks that last for millennia.
Open in the interactive tree →Fired brick was in use in Mesopotamia and the Indus Valley in the third millennium BC, using the kiln skills of potters. Standard bricks made large buildings, city walls and drains possible with simple labour.
Prerequisites
- Pottery & Ceramics~18000 BC
Unlocks
- Roman Arch, Vault & Dome~126 AD
Sources
More in Manufacturing & Construction · Antiquity
- Aqueducts & Public Water~312 BC
- Mortar & Roman Concrete~200 BC
- Glassmaking & Glassblowing~50 BC
- Roman Arch, Vault & Dome~126 AD