What sort of mix should I use for concrete to fake a rock like surface and how can I get a natural stone-like sandy coloured finish?
(The concrete will be about 3" thick.)
(The concrete will be about 3" thick.)
(Thanks for the suggestions guys. I've reworded the question so that other information doesn't distract from the question I actually need answering.)
You then paint it with yoghurt to encourage lichens etc.
Don't worry, it won't be load bearing.
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