I also tried to remove zone and roof and rebuild from scratch but the problem persists.
Rimworld pops not building roofs.
The weird thing is that i am not able to build roof on that square.
You didn t mine out a mountain you mined out a hill.
I would not install other roof building mods with this one.
Sorry to revive dead thread but i noticed no one has mentioned this yet or perhaps it s been added later as an update.
2 roof construction is a low priority.
They would not see each others roofs.
Designating such an area will also remove existing thin roofs and thin rock roofs when applied but thick rock roofs will remain intact.
This means that the largest square room you can have is 10x10 internal.
A roof will collapse if the last supporting wall or rock is removed whether by mining deconstruction or destruction.
Once he she is inside the room forbid the door so the colonist can t leave.
When building a large room 10 x 10 tiles i had the same problem the roof being missing exactly in the middle and i absolutely couldn t get them to build one.
I tried roofing over the geothermal buildings but when i dezoned it it just went from unroofed to outdoors.
Roof collapses cause injuries to colonists and damage items.
If there is no supporting wall or rock within 6 tiles no roof will be built.
As long as there is no other work to be done in there with a higher priority the colonist will finish building the roof.
A roof collapses if there s no support rock wall within 6 squares of the tile.
A roof will not be fully built in a room that is more then 11 blocks between two parallel sides.
So i was building an indoor farm next to two geothermal generators which were unroofed by zone while the farm was being built and after the construction is done the farm won t roof over.
Make sure to remove all electronics that short circuit in rain then use the no roof tool in the zone options.
You can select one of your colonists and then right click inside the room and prioritize building roof should be an option.
I have this stockpile area with roof upon it.
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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.
If that distance is more then that then you will only get a partial roof around everywhere but the position where it lacks enough support.