Frequently Asked Questions
Keystone
![[icon] - Question](gfx/gfx_icon_question.gif){kind=icon}
How high can Keystone walls be built without the use of Geogrid?
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Keystone walls can be constructed without Geogrid between 600mm and 1800mm high depending on the type of unit, soil conditions, degree of batter and surcharge on top of wall. Contact the Technical Department for further information - 0800 262136.
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