Geotextile Ground Preparation

Your ready to start your DIY project, lets make sure your base layers are prepared correctly. Adding geotextile to your sub base is a great way to add longevity to your project. Just be sure it’s done properly.

Geotextile fabric wether woven or non-woven can add to the stability and strength of your sub base. Non-woven will help with filtration while woven will help suppress weeds and provide a higher loading capacity.

Check out our other blogs if you need help with membrane choices –


How do I lay the geotextile?

Geotextile Installation Procedure

  • Firstly remove any greenery, trees, and then remove any stones/rocks. Make sure any these items are clear at least 30cm down.
  • Any gaps or hole areas make sure are filled.
  • Grade and level the area
  • Now the area is clear and level you are ready to lay out your geotextile layer.
  • Roll or unfold the fabric out to cover the area.
  • If you have to reposition or cut make sure you have sharp knife to cut and a helper to move it about.
  • Keep the geotextile taught and as close to the surface as possible.
  • Keep any edges or overlaps consistent
  • Secure the geotextile- pins/pegs/tape/overlap?
  • Once all correct over fill with your next base layer.

What geotextile do I need?

What is the aim of your project, do you need heavy loading? Filtration more important?

see our handy blogs above or use the contact button at the bottom of the blog to get in touch with any queries.

How do I work out what I need?

Area size length x width

Least overlap if an irregular size, fill longest side first

You want as little overlap as possible as this could give you weaker areas.

Do I need a geotextile layer?


How do I lay the geotextile?

How do I secure my geotextile?

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