So either wall in your porch or add a couple pillars place the roof over that then delete the walls pillars.
Roof over porch sims 3.
Roofs need support but you can remove that support after you draw out the roof.
You can always delete or change the fencing after you ve got the porch into the shape you want.
This will show you some interesting little tricks you can do with roofs.
If you cant do this over the patio then make sure.
Probably stupid for not being about to figure this out myself.
But i expanded the house now there are open spots with no.
There was already a roof which extended over the front patio garage.
Then fill the porch in columns and then make the roof and then delete the columns you dont want and turn off the cheat.
Goofy i usually use the decking tools the ones with fence icons to do a porch.
Use the move objects on cheat then fill the porch in columns and then make the roof and then delete the columns you dont want and turn off the cheat.
I having this problem with my roof.
Hope this helps 0 0.
Use the move objects on cheat.
For the sims 3 on the pc a gamefaqs q a.