Ryan Koziatek Posted June 11, 2018 Report Share Posted June 11, 2018 (edited) Has anyone heard of knotweed root barrier membranes being used in the United States? Either by contractors or municipalities for large projects. There is a new road going in through an acre lot contaminated with F. japonica in Kalamazoo County and they are interested in mitigating it the best way possible. Thanks! Edited June 13, 2018 by Ryan Koziatek Quote Link to comment Share on other sites More sharing options...
Katie Grzesiak Posted June 20, 2018 Report Share Posted June 20, 2018 I haven't heard about them in the US, and would be pretty skeptical--with knotweeds sprouting through concrete and asphalt, and anecdotal evidence of even puncturing trailer tires (the landowner who told me that didn't get photos, I'm very upset), I would be REALLY impressed if they found a barrier that really worked. Quote Link to comment Share on other sites More sharing options...
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