In the past, trees that were causing foundation movement to buildings, by drying out the clay soil underneath the foundations, were either felled (removing vital tress from the urban environment) or very expensive underpinning took place.
Over the last 20 years or so, Peter Scott Tree Care has developed the technology for the installation of the Dendro-Scott Root Barrier membrane. This enables the trees to be retained in their original form for the benefit of the community, while avoiding the need for costly underpinning works.
The Dendro-Scott Root Barrier was developed over 30 years ago, after long-term research.
One of the most important qualities of the Dendro-Scott Root Barrier is its flexibility. Early research showed that when tree roots reached the root barrier, they tend to mass and, unless there is a good interface between the barrier and the side of the trench, they will tend to develop in a downward direction.
Should a rigid or semi-rigid material be used, an unacceptable risk is created that water and/or top soil will percolate around the face of the root barrier, creating the perfect medium for roots to develop down its whole face and eventually go underneath.
Frequently there is a need for a root barrier to bisect existing underground services and it is important that the barrier has the ability to be cut and effectively resealed to fit around these services.
The Dendro-Scott Root Barrier meets all the above criteria and is the only root barrier with a provenance of over a quarter of a century and in that time there has not been a single incident of root intrusion.
Japanese Knotweed is a serious problem for developers, due to its persistent nature and the need to comply with legislation. To help prevent the possibility of breaking the law and incurring large fines it is important to address the problem if it is present on site.
Early surveying and identification of contaminated areas is essential. Management plans must be prepared to contain, control or remove Japanese Knotweed with clear methods of working, to prevent its spread.
Dendro-Scott Root Barrier membrane can be used to build a "˜cell', to dispose of contaminated soil on site, quickly and cost-effectively.