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Ivy on Walls and Buildings
Whether ivy is actually harmful to a wall depends a lot on the wall's condition. On sound, well-pointed brickwork, ivy's aerial roots generally don't penetrate the mortar itself and some studies suggest it can even offer a degree of protection from weathering. On walls with existing cracks, poor or crumbling pointing, or older, softer brick and mortar, ivy's roots can work into and widen those weaknesses over time, and the sheer weight of a mature growth can also put strain on guttering, render, or loose sections of brickwork. We assess the wall itself as part of the job, not just the ivy, so we can tell you honestly whether there's likely to be damage underneath once it's cleared.
