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Winter Thermal Eradication of Japanese Knotweed in Colfontaine - Belgium

A 100m² demonstration project on Rue des Vanneaux in Colfontaine, using ISTD-Hot Screw technology (61 hot screws) — successfully carried out under harsh winter conditions including snow and frost, overcoming underground obstacles and completing the installation of a root barrier.

SITE DESCRIPTION

       Treated area

100 m²

          Thermal technology

In-Situ Thermal Treatment - Hot screw (ISTT)

       Main contaminant

Japanese Knotweed (Fallopia japonica)

        Site challenges

winter with harsh weather conditions

     Heating configuration​

61 Hot Screws

      Treatment Duration

December 2025



RESULTS

✅          Successful demonstration for Spaque in harsh winter                     conditions (snow and frost)

✅           Installation completed despite underground obstacles

 ✅         Successful installation of a root barrier

 Download here 




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