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Can Japanese knotweed damage buildings?

Can Japanese knotweed damage buildings?
01/01/2021

Japanese knotweed can grow up to 10cm per day, and because of this rapacious growth, it has been known to cause damage to building structures and substructures by targeting weak points, such as cracks in masonry, and attempting to grow through them. Typical damage from Knotweed includes damage to tarmac and paving.

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How bad is Japanese knotweed for a garden?

How bad is Japanese knotweed for a garden?

While not harmful to humans, its potential for damage comes from its invasive roots and fast growth rate. In ideal circumstances, Japanese Knotweed ca...

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Can Japanese knotweed really penetrate concrete?

Can Japanese knotweed really penetrate concrete?

Japanese knotweed can manipulate weaknesses and cracks in concrete and other building and drainage structures. If ignored, Japanese knotweed can under...

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Can Japanese knotweed spread by seed?

Can Japanese knotweed spread by seed?

No, As the Japanese knotweed in the UK is female only, the seeds produced are not viable and cannot cause spread. The Spread of Japanese knotweed nati...

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