Retaining wall mortar mix

Retaining wall mortar mix

Retaining wall mortar mix

I am currently building a block retaining wall around 700mm high so that I can level my sloping lawn. I have set the footing and am now looking to start on the first course which will be using 7.3N 100mm concrete blocks laid flat. I need some advice on the best mortar mix to use and and some research has led me to a 3:1 mix of builders sand to cement with a plasticizer. Is this an ideal ratio and would the mix differ below ground to above?

I'm also planning to install a DPC and add weep...

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by cmulley

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