Concrete

Concrete
Creation

Activate lye (1.50 kg) Right-click mortar (1.50 kg) Open submenu "Create > Miscellaneous"
Result
1x Concrete (3.00 kg)
Skill and improvement
Uses Natural substances Cannot be improved
Properties
Can be combined.

Description

Concrete, for instance used to raise cave floors.

The quality of the lye used to create the concrete affects your success chance.
Right click a cave floor tile with the concrete and select > raise corner - this raises the corner the equivalent of 1 dirt. The corner closest to where you are standing will be the one that is raised, just like when dropping dirt.
Unsuccessful attempts result in the loss of .05kg lye and .30 kg mortar