Adobe Houses
Adobe Houses with Adobe or Cardboard roof. As adobe can be manufactured manually, is a way to make green, cheap and durable homes.

Solution

Adobe bricks  are  made of  natural materials like dirt, water, manure ; formed by hand and dried in sun.
The roof can be made from adobe bricks or cardboard

The house can have between 1 to 4 rooms in the ground area, and 4 rooms at the first floor.
- the inside walls and doors are made of cardboard
- to get to the upper rooms every room will have simple  wood stair
- the windows can be of glass or plastic/ the entrance door will be of pressed cardboard
-  the roof : sandwich type  with plastic sheets and a layer of extruded polystyrene between them.