Rootline is a root barrier developed to protect highways, foundations, waterproofing, pipes and other services from damage arising as a result of tree root penetration.
ABG Rootline GHDR 85, 120 & 200 tree root control barrier geotextiles have a plain surface. Rootline is available as both impermeable flat sheets and as an impermeable cuspated sheet. ABG Rootline GHD100S3 is a water impermeable HDPE with a 3mm pocketed surface (shown above right) to deflect tree roots downwards.
Tree roots predominantly grow in the upper surface of the soil and spread out extensively and laterally from the trunk. A good root system is essential to sustain healthy tree growth, but the roots can be deflected to grow downwards and avoid damage to adjacent structures or services.
Rootline root control barrier can be installed around the tree or adjacent to the structure or wrapped around pipes etc.
Rootline is available in two styles of robust flexible polymer (PP or HDPE) sheets that resist penetration by roots.
Impermeable Rootline is preferred for most situations and the plain version is the most economic, but the dimpled and pocketed version of Rootline is the most effective in vertical applications, guiding the roots into a downward direction.
Styles
Rootline is available in the following formats:
How Rootline Works
Normal, healthy root structure growth occurs laterally through the upper surfaces of the soil. This is fine, unless the root growth is beneath or adjacent to structures where it may cause significant damage.
Using Rootline prevents the lateral spread of roots, deflecting them harmlessly down into the ground allowing healthy growth, but mitigating damage to the structure.
Design
Our Technical Department can offer advice on appropriate styles of Rootline for differing situations and on typical installation details.
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