> ## 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).

# What are your guidelines for ensuring structures last for 15 years?

1. [Install a liner](/en/article/do-i-need-a-liner-in-my-raised-beds-8qu7k7/) to protect the BlocX up to the soil level - you should use a DPM liner (damp proof membrane) to** protect the inside of your structure where soil is in contact with WoodBlocX**. [Learn more about lining methods](/en/article/should-i-completely-line-my-raised-bed-with-a-liner-or-just-the-sides-b6hs6b/). 

2. For the structures to be placed in an area of your garden that gets **sunlight**

3. If building directly on soil or grass, the ground needs to provide **good drainage**


![](https://storage.crisp.chat/users/helpdesk/website/99e85b04a8366000/liner-fitting-woodblocx_3dh33y.jpg)