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Product Directory

ROOT BARRIER                                          

61 Somerset St
Windsor QLD 4030
Australia

1300 136 644

t: +61 7 3861 0141
f: +61 7 3861 0701
e:  Email
w: Launch site

related specifications:

03. Concrete

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Specification

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Root Barrier Solutions

Tree Root Solutions
Trees which in the past had to be removed because of their damaging effect on foundations, can now remain and exist quite happily along-side of the buildings, without causing any problems underground.

Root Barrier keeps the roots out and the moisture in. Due to new developments in the product and installation system, costs have been vastly reduced, and the requirements for heavy earth works with heavy machinery removed.
Road Solutions
Protection of road structure from the effect of tree root damage can be achieved by placing the barrier at the back of kerb. This will leave the maximum land area available for the tree to live in. A standard barrier 1200mm deep would be normal, as this will be deep enough to prevent roots getting under the barrier in normal undisturbed soil.
For situations where the road is built over reactive clays, you may like to stabilise the moisture content of the clay. A barrier to the depth of "the zone of influence" normally 1.5 to 2 metres deep should be considered.
For well-constructed roads in good condition it is possible to reduce the depth of the root barrier by utilising the road base as part of the barrier. Using the road base as a horizontal seal, root barrier may be placed vertically at the back of kerb running from the top of kerb into the road base, where it can be bound to the road base using bentonite to provide a waterproof and root proof seal. The benefit of this system is that it allows more soil area for the tree to live in under the road.
Foundation Solutions
Structures built on reactive soils, where moisture movement is causing problems, root barrier can help. By surrounding the structure with a waterproof root barrier to the depth of "the zone of influence" normally 1.5 to 2 metres deep, moisture levels under the structure can be returned to normal. As the area under the building is effectively isolated, moisture cannot move and so the block of soil the building sits on becomes stable, repairs to the building can be completed.
Placement of root barriers partially around the building may be an option if a particular cause to the moisture movement can be identified such as a tree, the depth of the root barrier to "the zone of influence" should be maintained.



                                   www.rootbarrier.com.au