Once the FinnBUILDER foundation walls have been built to the correct height of at least 300mm above natural ground level, the soil from excavations to be brought back and compacted well, to form an adequate base for the floor slab.
Once the floor slab has been cast, FinnBUILDER will be used build the walls of the house or structure. See how this works on our next video.
![](https://i.ytimg.com/vi/R21FOSXrbUI/maxresdefault.jpg)