> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.woodblocx.co.uk/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Do I need to build my wall on a foundation?

No, you do not have to build your WoodBlocX retaining wall on foundations. However, a **stable and level base is very important**.  

${youtube}[Watch our video to learn more](flZ2ik3dkG4)

The key to building a solid and stable retaining wall is to ensure the ground is level - you can use sharp sand or sub base to help level the area if required.