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How to update a concrete path?

Hi everyone,
We're looking for some advice on upgrading our front entrance path. The existing concrete is cracked and uneven in places - likely due to tree roots underneath - and it's definitely in need of some TLC.

We’re keen to find an affordable solution and are considering overlaying it with pebbles and bluestone rounds or timber sleepers as stepping stones. This would tie in nicely with the other paths around the front of the house.

A few challenges we’re trying to work around:

The path is on a slight slope.
We often get heavy rain, and we’re worried about the stones shifting towards the house.
Ideally, we’d like to avoid removing the entire concrete slab if there’s a way to build over it safely and neatly.
We're new home owners and therefore new to landscaping!

Has anyone tackled something similar? Would love to hear any ideas on how to get started.

Thank you!

Emma

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Comments

MitchellMc

Welcome to the Bunnings Workshop community @coastalcottage. It's sensational to have you join us, and many thanks for your question about creating a path.

Unfortunately, based on the condition of the concrete, it looks like this path is beyond saving. A 100mm difference in height between sections, likely caused by invasive tree roots, makes it not only unsightly but also a significant trip hazard. The most reliable and long-term solution would be to remove the existing concrete path altogether.

That said, if the highest points of the concrete are still below your intended finished surface level, there is technically a way to work around it. You could install tall garden edging or formwork along both sides of the existing path and then backfill over the top with crushed rock or compacted road base, followed by decorative pebbles or gravel. Stepping stones, like bluestone rounds or timber sleepers, could then be placed on top. However, this approach doesn’t address the underlying issues, like root movement or drainage, and there's a risk that the new path will eventually become uneven again or that heavy rain will wash material towards the house.

The better long-term approach is to remove the existing path so you can properly assess how much of a problem the roots are. Once exposed, you can work out whether the new path needs to be designed around them. If the roots are shallow and persistent, an elevated path may be the best way to go. An elevated deck-style walkway, for example, can look fantastic in a garden setting and is a great way to span uneven ground or root zones without disturbing them. It also allows water to drain naturally underneath, helping with your concerns about erosion or run-off in heavy rain.

Please let me know if you have any questions.

Mitchell

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