Foundation
Foundation is an architectural object in The Sims 2 and The Sims 3.
It is used to raise the level of the main floor and can be used over uneven terrain. It also helps in the construction of basements.
![](http://static.miraheze.org/simswiki/2/2a/Foundation_Logo.png)
![](http://static.miraheze.org/simswiki/thumb/3/3b/Foundation.png/300px-Foundation.png)
The foundation tool is used by clicking and dragging an a square area on the terrain. There is also a diagonal foundation tool.
Players can choose either a decking foundation, an elevated foundation, or a brick foundation.