Invasive Weed Control

With legislation changing it is extremely important to ensure that invasive weeds such as Japanese Knotweed are controlled and treated effectively. Japanese Knotweed cause damage to everything it comes into contact with including building foundations and retaining wall structures. Containing invasive weeds like Japanese Knotweed is paramount on all sites.

Geosynthetics Limited’s Knotblock® fully complies with the “Knotweed code of practice” document released by the Environment Agency.  The product has been tested for microbiological resistance. Due to the chemical structure it provides superior resistance against puncture and deformation from roots.

Benefits of using Geosynthetics Solution to Invasive weeds:

  • Fully complies with E.A. Knotweed Code of Practice
  • Dependent on soil conditions the projected lifespan of the product is in excess of 100 years
  • Large roll sizes allows for minimal joints
  • Free educational seminars click here to find out more


For assistance with any projects with invasive weeds please contact the sales office on 01455 617139 or email enquiries to