How to remove thick roofs overhead mountain use the regular remove roof area option found in the architect zone area menu to draw an orange area above the roof you want to remove.
Rimworld take down roof.
Colonists can build structures of a various materials each with different beauty flammability and hit points.
Colonists will be able to remove overhead mountain.
Structures leave ash on the ground when burnt.
Enclosed areas will automatically prompt colonists to build a roof unless you apply a no roof region or if the structure is too large over 300 cells.
You have to leave the walls to prevent the roof fall.
You can only give it to fall.
In some places you can not remove the thick roof.
And it is not a thick stone roof either.
Rock roof mod is a simple mod just to patch core.
The no roof area allows the player to designate an area which will not be covered by thin roofing once a surrounding wall is constructed.
Designating such an area will also remove existing thin roofs and thin rock roofs when applied but thick rock roofs will remain intact.