Stone Ceiling

 is a structure part craftable by Pathfinders with the prerequisite skill. These parts are useful for the construction of larger buildings.

Building/Configuring
Stone walls have four types that can be placed. They are: These types can be selected by pressing T when the blueprint is active and the ceiling is in a valid location and not blocked.
 * Stone Square Ceiling
 * Stone Ceiling Doorway
 * Stone Triangle Ceiling
 * Stone Catwalk

Required Skill Trees/Skill Points
Stone structures are unlocked with the Esotery of Building skill, at the very end of the Construction and Mercantilism skill tree. 25 skill points are required to unlock them, and they must be crafted in a smithy.