It is correctly zoned to have a roof.
Rimworld how to make roof.
To build a roof outdoors a build roof area must first be drawn.
This is useful for things like.
Keep in mind each roof tile needs to be within 6 range of a wall to not collapse.
A ignore roof area will cause pawns to not alter the roof in a specified area.
It launches 1 round artillery mortar shells at any enemy that enters its 500 tile firing radius or at a target set by the player.
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.
Once an enemy has entered within 30 tiles of the mortar it will cease fire.
A remove roof area will cause pawns to remove any roofs in a given area.
You have to mark it in the structure section as no roof.
The range indicator of mortars is not its actual range but the size of its blind spot.
Larger roofed areas can be built with the use of interior walls as pillars.
Hovering over it says unroofed 35 thanks for any help.
A build roof area will cause pawns to build a roof in the specified area.
A pawn assigned to construction will automatically build the roof when there are enough structures in place to allow it.
Think there are a couple of things that affect building roofs.
Not sure why you are marking the outside as a no roof area when theres no mountain.
As long as there is no other work to be done in there with a higher priority the colonist will finish building the roof.
Is it too large to support a roof over the whole area.
The mortar is a manned stationary siege defense mechanism.
I think by default you have steel walls.
If not it will not automatically roof.
Indoor roofs are automatically built by builders.
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.
The build roof area allows the player to designate an area which will be covered by thin roofing once a surrounding wall is constructed.
They just refuse to build it.
Or you could just leave 1 square every so often as a support post so you have something to hold up the roof.
You can add supports and it will automatically roof or you can manually add the max roof the supports will handle leaving opening s and leaving status of room as unroofed 2.
You can run out of steel very quickly making a large structure.
A roof collapses if there s no support rock wall within 6 squares of the tile.
Might want to explain the problem more in depth.
Once he she is inside the room forbid the door so the colonist can t leave.
This means that the largest square room you can have is 10x10 internal.
Areas can be designated to have a roof or not have a roof by drawing either a build roof area or remove roof area.
Designating such an area will also remove existing thin roofs and thin rock roofs when applied but thick rock roofs will remain intact.