> ## Knowledge Base Index
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> Use this file to discover available pages before exploring further.
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# If WoodBlocX structures do not need foundations then why do they not fall over?

![](https://storage.crisp.chat/users/helpdesk/website/99e85b04a8366000/df478ecefcca-pxl20230617154439_15qrt63.jpg)

WoodBlocX structures do not require traditional foundations due to their unique layer by layer design, heavy duty ground fixings and clever interlocking dowels. 

Furthermore, most WoodBlocX structures (over 1.5m in length and taller than 0.25m) also include supporting buttresses which act as cantilevers under the weight of the soil and prevent bowing - providing even more strength!

![WoodBlocX buttress example](https://storage.crisp.chat/users/helpdesk/website/99e85b04a8366000/woodblocx-retaining-wall-77_dkv8b3.jpg)

We always recommend building WoodBlocX on a compacted, solid, and level surface.