The wall function is in the Build mode. In Sims 3 its pretty straight forward; you just click on the wall in the image of the house.
In Build Mode, get the wall build tool and hold ctrl and just draw the wall you want to delete...
Go to the build mode and there should be a wall, if you select it you can build the room by putting the walls in.
It's the cheapest way to build a good interior wall.
build mode click on the paper on the wall in the picture. if you want to design it click on the paint thing and click on the wall
To build an interior wall effectively and efficiently, start by measuring and marking the wall layout, then gather the necessary materials such as studs, drywall, and nails. Frame the wall with studs placed 16 inches apart, secure them in place, and add drywall on both sides. Finish by taping, mudding, and sanding the seams for a smooth finish.
Build A wall around the person and they will die from hunger
On build mode, go to sledge hammer and chop down the wall
To build an interior wall in an existing room, follow these steps: Measure and mark the wall layout. Secure the bottom plate to the floor. Install the vertical studs at regular intervals. Add insulation between the studs for soundproofing and insulation. Attach the top plate to the ceiling. Install drywall on both sides of the wall. Finish by taping, mudding, and painting the drywall.
You can, but only on community lots when you buy the lot and then you click "build on this lot", it is in community items
To learn how to build an interior wall effectively, you can take a carpentry or construction class, watch online tutorials, or seek guidance from experienced professionals. Practice measuring, cutting, framing, and installing drywall to develop your skills. Remember to follow building codes and safety precautions throughout the process.
You go into build see the hammer on the bar? Click it then click 'Delete wall sections.' Voola