Techs > Wood Treatment

Research costs (University of Architecture)

• Ash 1500
• Beeswax 10000
• Boards 50000
• Lead 500
• Lime 2000
• Oil 10000
• Petroleum 5000
• Potash 1500
• Saltpeter 5000
• Sulfur 5000

Researched at

• karnak (1804, -855)
• khartoum (-74, -6569)
• kush (464, -3536)
• lower egypt (1083, 6129)
• seven lakes (1490, 2030)
• upper egypt (1655, 3960) (on timer)

Using chemicals and coatings to make wood stronger, more durable, more useful.

Level required to learn: 6

• Teachable in 10 leasons

- Note 100 Tar was not on the list