Root and Light Penetration Testing Completed on Japanese Knotweed Barriers

Japanese Knotweed barrier

Root and Light Penetration Testing Completed on Japanese Knotweed Barriers Our impermeable range of Japanese Knotweed & Root barriers have been been tested against Root and Light Penetration (EN 14416 & ASTM D65670) and have passed.  A third party laboratory serviced the testing, copies of test reports are available on request. […]

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