Step 2: Make the Topping Mix

mixing up the new mortar to repair a stone walkway
Photo: John W. Taylor
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Pour the dry mortar into a wheelbarrow, and stir in an acrylic fortifier according to the manufacturer's directions. Add just enough water to give the mortar a sticky, peanut-butter consistency. It should remain workable for about 45 minutes. Before applying the mortar, sponge the stones and joints with water.
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    Tools List

    • safety glasses
      Safety glasses
    • gloves
      Gloves
    • knee pads
      Kneepads
    • 3-pound hammer
      3-pound hammer
    • mason's chisel and maul
      Masonry chisel
    • mason's brush
      Masonry brush
    • one-and-a-half inch paintbrush
      Paintbrush
    • brick trowel
      Brick trowel
    • grout bag
      Grout bag
    • pointing trowel
      Tuck-pointing trowel
    • mortar pan
      Mortar pan

    Shopping List

    1. 60-pound bag of sand/topping mix

    2. 1 gallon of acrylic fortifier

    3. Water