The roof is finished with a galvanized iron sheet flashing and a wooden grid that allow to use the roof as a terrace. This elements may be raplaced with solar panel, in order to allow energy efficiency in isolAted contexts.
The basement, the wall and the ceiling are made with SIPs (Structural Isulated Panel system) 100 mm thick; with isulated foam in the interior. External face is realized with an outdoor plasterboard panel 13 mm thick, waterfroof finished; between this element and the sips panel there is a breather membrane that run all around the house.
Here are published the construction details of house #18, as you know the main structure is made using 200x200 mm metal steel square tubes and the secondary with 100x100 mm square tubes.