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Japanese Knotweed can penetrate lose aggregate and grow through existing cracks in asphalt and concrete, causing substantial damage to the built environment.
The species fast vertical growth (up to 10cm a day) means that it out competes much of the native vegetation of the UK.
Where Japanese Knotweed is present, financial institutions will refuse to provide a mortgage or building insurance.
Methods to eradicate japanese Knotweed
1
herbicide treatments
Often the most economical treatment option, chemical control is the application of specialised herbicides to Japanese Knotweed.
2
Stockpiling
Stockpiling involves the evacuation and movement of Japanese knotweed material to an area of the site where it will not be disturbed.
3
on-site burial
Japanese Knotweed material is excavated and buried on-site, the material being encapsulated in a Geotextile membrane.
4
Removal to landfill
Japanese Knotweed infested soil material is excavated and removed to an off-site, appropriately licensed, waste management facility.
