The Sims 4 foundation tool allows players and their Sims to create tall, custom homes and rooms. It is possible to use the foundation to set up balconies, terraces and even indoor environments. However, the option is hidden and does not appear in the game’s build menu. So check out the guide on how to lay foundation on The Sims 4 for PC (via Origin), PS4 and Xbox One prepared by TechTudo below.
Step 1. Use the wall tool to create a room;
Step 2. Then, with the Select tool (H), click on the walls. The entire room will be selected. To add a foundation, drag the up arrow. Choose the height you want;
Step 3. Use the “Foundations” menu to add a wallpaper to the base of the room. Select a color and click on the foundation to paint;
Step 4. Since the foundation is higher than the floor, it needs a ladder. Go back to the wall tool and build a terrace. Use your creativity and the different Construction Mode tools;
Step 5. Now, set aside a space for the ladder. With the help of the sledgehammer tool (K), remove two or more fences from the terrace;