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How do you make lime putty for mortar?

I was wondering how to make a lime putty for lime based mortar? Can I just use regular hydrated lime and mix it with water, or does it need to be a special type? I'm going to be doing some repointing on my fieldstone foundation on my house and I,m told I cant use mortar mix with portland cement.

1 Answer

  • gerald
    Lv 7
    9 months ago

    slaked lime that is limestone heated to red hot cooled and water added it reacts when it has stopped it can be used with sand horse hair even cow manure to achieve a mortar that breathes and moves with the stone Cement is Brittle under movement cracks

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