Overview

How to Build an Address Plaque Post Overview «»
We used a 6-inch-square hollow prefab post. To make the arm for the plaque, we padded out a corbel with 1×6 cellular PVC board. Screws and a strong-bonding polyurethane adhesive hold the pieces together. Be sure to call 811 before twisting in the ground screw, to make sure you won't hit any underground utilities. And after you slip the finished assembly over the pressure-treated 4×4 post, drive a 2¼-inch screw through the top of the corbel assembly and into the 4×4 to secure things firmly
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    Tools List

    • 30-foot tape measure
      Measuring tape
    • miter saw
      Miter saw
    • drill
      Drill/driver
    • 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