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Tree roots raising concrete.

Posted by sunblest 6 (My Page) on
Wed, Sep 17, 08 at 12:39

The house we recently purchased has a drive that is constructed of large concrete slabs. A tree root is raising one of the slabs approx. 4-5 inches right in the center of the drive. Can the concrete be broken up, remove the root and re-pour the concrete? I think the tree is a locust (very tiny leaves and messy but nice shade) and the trunk is almost 3' in diameter. Thank you for any suggestions?

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RE: Tree roots raising concrete.

  • Posted by bboy z8 WA USA (My Page) on
    Wed, Sep 17, 08 at 13:20

There is a possibility cutting the root will cause the tree to decline. If it's a black locust (Robinia pseudoacacia) it will be likely to produce nuisance suckers and bothersome thorns anyway, making it a possible candidate for replacement. But from you description maybe it is actually a honeylocust (Gleditsia triacanthos).

For successful retention of the tree ideally the paving would be reset with a new level that accommodates the root. It's impossible to say whether or not cutting that particular root off will spoil the tree.

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