Japanese Knotweed Removal

Japanese Knotweed Removal

Complete Excavation & Licensed Landfill Disposal

Excavation is largely used as a method of Japanese Knotweed removal when herbicide treatments and cell burials are not viable. Excavation and the subsequent disposal of contaminated waste at an approved landfill site is a fairly complex process, so we use our expertise to evaluate whether it is necessary before proceeding.

Whilst removal is not always the first port of call, there are certain situations where this approach can become the most cost effective and viable solution because of its ability to provide instant and total eradication of the Japanese Knotweed.

Japanese Knotweed Screening

When feasible, TP Knotweed Solutions Ltd also use another knotweed remediation method called ‘Screening’.

This method of Japanese knotweed removal involves excavating the infested soil and processing the material using specialist screening machinery, to separate the Japanese knotweed rhizomes (roots) from the soil and rocks. The knotweed rhizomes are incinerated off site, at a licensed incineration facility and the remediated soil can then be re-used on site by the client.

Industrial Removal

A good example of this type of removal is when the discovery of knotweed halts large construction projects. As a consequence, deadlines can be threatened and construction cannot be resumed until eradication has been achieved. In this case, immediate industrial knotweed removal would be the most viable option.

Landfill sites increase the fees with the amount of waste to be disposed, so TP Knotweed use our experience to chase the knotweed roots down rather than excavating indiscriminately. This minimises the amount of clean soil removed from the site, meaning less backfill is required, meaning reduced costs. This approach means that our excavation service is one of the most competitively priced on the market.

We have effective measures in place to ensure all ‘Duty of Care’ requirements are met under the Environmental Protection Act (EPA) 1990. All machinery is inspected and cleaned after use, to prevent further spread of this highly invasive plant.


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