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Lime For The Mortar - Forno Bravo Forum: The Wood-Fired Oven Community



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Lime For The Mortar

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  • Lime For The Mortar

    I am making my own mortar mix and cannot find "masons' lime". I found "Horticultural Hydrated lime" The breakdown is at:


    Can this be used?


  • #2
    Re: Lime For The Mortar

    Should be available at your local brickyard or masonry supplier.....Home Depot and Lowes are not the answer, they only carry the horticultural "garden" lime. Not really sure of the difference, I've just been warned to NOT use the garden lime for masonry.
    Hopefully one of our resident "home chemists" has the reasoning.



    • #3
      Re: Lime For The Mortar

      Originally posted by RTflorida View Post
      Home Depot and Lowes are not the answer
      This must be a regional thing; all the orange and blue boxes around here carry lime piled right next to the portland cement.


      • #4
        Re: Lime For The Mortar

        I found a refractory dealer 2+ hours away. I'm just going to make the trip and have piece of mind that it is done with the right materials the first time. There is not a big demand for these products where I live, so they are hard to find. Thanks, Mike


        • #5
          Re: Lime For The Mortar

          May be regional.....they do have pallets of the horticultural lime in the outside garden depts. Hopefully, someone chimes in as to the real differences. In a quick google search, I found that there are several types of mason's lime - including Type S and N, this is what makes type S and N mortars what they are.......but nothing explaining the difference between hydrated garden lime and hydrated mason's lime (from what I found, both types are of the hydrated variety).
          Now I remember why I just bought the premix (dry) Type S and M mortars, Heatstop 50, and Sakrete premix concrete......I'm not a mason, so I took the "safe" route - just call me chicken, I didn't want to screw up a mix and then have to re-do it.