20ft expandable container house make the foundation

For the expandable container house foundation, we have several ways can recommend to our customers.

1.  If the ground where you are is relatively flat, you can choose to use stones or stell at each corner to make the foundation.  

2. Customers can make their own steel frame to put the expandable container house.

3. We have professional foundation files for reference according to different sizes， customers can make the foundation at before when the expandable container house arrive at destination.