New answers tagged mortar
Don't use mortar that has lime in it. Use Portland cement: grout. The big difference between concrete, mortar [ignoring lime content] and grout is in their plasticity or fluidity in the initial stage. That is: the constancy to which you mix it; how much water (read the label). The nooks and crannies of porous (e.g., 'coliseum') tile are supposed to ...
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