Step 8: Finish and Install the Post

Use adhesive to affix the finial to the post top. Cover the screwheads and fill the seams with paintable caulk. Coat the piece with acrylic paint. Pick a safe spot to install the post, and twist in the ground screw with the rebar. Cut the pressure-treated 4×4 to length, and use the lag bolts to fasten it to the ground screw. Finally, slide the finished post over the 4×4 and hang the plaque with S-hooks.
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    Tools List

    • 30-foot tape measure
      Measuring tape
    • miter saw
      Miter saw
    • drill
    • Drill bit
      Drill bit
    • Countersink bit
      Countersink bit
    • Lag-screw driver bit
      Lag-screw driver bit
    • caulk gun
      Caulk gun

    Shopping List

    One 6-inch hollow paneled mailbox post designed to fit over a 4x4 post

    1 urethane decorative outdoor-grade corbel

    1 urethane decorative outdoor-grade finial

    1 metal address plaque

    One 8-foot 1x6 cellular PVC board, to pad out the corbel

    Polyurethane construction adhesive

    1¼-inch exterior screws

    2¼-inch exterior screws

    Paintable caulk

    Acrylic paint

    Screw eyes

    2 S-hooks

    1 ground screw (with rebar and lag bolts)

    One 8-foot 4x4 pressure-treated post