Be careful with 12x12 rooms if you re planning on replacing the walls like exposed mountain rock wall stone block walls.
Rimworld wall roof.
Note regardless what the build roof zoning says you can only build roofs a certain distance iirc 6 tile from a wall mountain.
Roof tiles can be up to 6 tiles away from a wall thus 6 from each side is 12.
This is especially important when mining.
Walls alone can fend off early game raids if enough repairmen can keep the walls standing while enemies start to starve and become tired.
By default colonists only build roofs over enclosed spaces rooms.
Changing the zoning does not change.
It s an alternative defense that can also support your ma.
The roof will not be builded or that tile will not be builded.
An impassable wall capable of holding up a roof.
Larger roofed areas can be built with the use of interior walls as pillars.
But by explicitly marking a zone as a build roof zone your colonists will always construct a roof there.
If you removed 2 entire walls and the corner between those two sides last then that roof was too far away from any other supports.
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This means that the largest square room you can have is 10x10 internal.
You can only have a roof out to i believe 6 tiles from a wall otherwise it ll collapse.
Interior areas built larger than this will remain partially unroofed.
That is what i found out for me i cant promisse you thats 100 true for every situation since i guess it is possible to support more tiles within a.
Rimworld defenses come in all shapes and sizes and this can be customized to work with all of them.
A roof collapses if there s no support rock wall within 6 squares of the tile.
Wait for a pawn to remove it or select a constructor pawn and right click the area to instruct him to do it right away.
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.
They will remove it like any other roof.
A roof can extend up to 6 tiles from a wall so roofed interiors have a maximum size of 12 cells across the shortest side.