Tree Root Protection

Trees are a valuable natural resource that are increasingly under threat from construction in the urban environment. As well as the obvious benefits to the environment of maintaining healthy trees, they also provide aesthetic and resource advantages to any development.

Problems arise when construction takes place in areas around tree root zones; compaction of soils and damage to soil structure from vehicular traffic can prevent valuable water and air from reaching the roots, starving the tree of vital resources and leaving it open to decay. Alternatively excavation within the root zone can physically damage the root structure, affecting the health and life expectancy of the tree.

The protection of trees during construction is now often written into planning consent for new developments in accordance with BS 5837: ‘Trees in Relation to Construction: Recommendations’ (2005) which advises tree root protection areas within which construction should not be permitted.

Arboricultural Practice Note 12: Driveways Close to Trees (APN12) gives guidance on above ground, no dig construction techniques in and around trees and advocates the use of geocellular blanket systems, such as Abweb TRP.

Abweb TRP Geocell for tree root protection offers a practical alternative to traditional methods of construction for paths, roads and parking areas in and around trees. It is used to protect the root structure of the tree from damage caused from the compaction of the local soils as a result of vehicular traffic. Traditional methods of construction tend be invasive and can affect tree health by damaging the root structure.

 

The Abweb TRP system is a no dig solution preventing damage to the tree root structure during the installation process. Abweb TRP is quick and easy to install, reduces construction time and in many instances greatly reduces the depth of imported stone required, saving time and money and reducing the environmental impact of the project.

Abweb TRP comprises the Abweb geocelluar containment system that confines the fill material within the cell to improve shear strength and bearing capacity. This is laid over a Terrex NW9 needle punched non-woven geotextile which acts as a separation layer, preventing material loss whilst allowing the free flow of water and nutrients to the tree root system.

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