Maybe this isn't a bug?

[maggie]

In playing I found an abandoned base. I needed to do some repairs on the stone wall. it now takes granite not stone to repair that type of construction. The amount of granite was excessively more than necessary. It doesn't make sense that repairing a damaged wall would use more materials than the initial construction. I wasn't sure if anyone else had run into this and if it would qualify as a bug?

[trungdle]

Nah it's to offset the strong walls. It makes it harder to repair while being seiged.
an exampke of devs' favor balance over realism.

[Nikixos]

If the walls are too damaged You might even want to destroy the walls and rebuild them. I recommend drinking white tea and claiming the fences first it will take less granite or just build a plank/brick wall instead