Step 8: Backfill the Gaps

Use a spade
Photo: Kolin Smith
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Using a spade, backfill the gaps on either side of the stones with extra stone dust and a layer of dirt. Step on the dirt to pack it in place, being careful not to dislodge the stones.

TOH Tip: When setting a stone, butt it against the adjacent stone, then drop it straight down so that you avoid dragging the stone dust and pushing it into the joint.
Ask TOH users about Fences & Stone Walls

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    Tools List

    • mason's line
      Mason's line and Line level

    • square spade
      Spade

    • tamper
      Hand Tamper

    • four-foot level
      4-foot level

    • mallet
      Rubber Mallet

    • mason's chisel and maul
      Mason's Chisels and Maul

    • brick hammer
      Brick Hammer

    • caulk gun
      Caulk Gun

    Shopping List

    Cast Concrete Block:
    Choose a block made specifically for freestanding walls, not retaining walls or pavers. To calculate how many blocks you need, multiply the length of the wall, in inches, by the height, and divide that figure by the area (length x height) of the side of one block. Add 10 percent to account for cuts and breakage.

    Paver Base:
    A mixture of ¾-inch crushed rock and stone dust. One yard covers 108 square feet 3 inches deep.

    Stone Dust:
    One yard covers 324 square feet 1 inch deep.

    Masonry Construction Adhesive