How to Build a Column Mail Box Yourself


You can build your own column mail box, but the task can be challenging. According to Pyzique Wall Systems, Inc., a column mail box is sturdier than any other type of mailbox because it's made out of concrete blocks. These mail boxes can hold up in any type of weather and are considered to be a permanent fixture. According to Keystone Retaining Wall Systems, Inc., a column mail box can add appeal to the front of any home.

Things You'll Need

  • Measuring tape
  • Shovel
  • 12-by-16-by-14 inch concrete blocks
  • Concrete
  • 6 rebars
  • Standard plastic mail box
  • Level
  • Framing squares
  • Pencil
  • Mortar
  • Wall ties
  • Three 12-by-16-by-14 cap blocks
  • Square concrete blocks
  • Measure and dig a hole that is 42 inches wide and 42 inches long. Make sure the hole in 12 inches deep.

  • Fill the base of the hole with half of your cement mixture.

  • Place three rebars horizontal to one another in the middle of the concrete, leaving about a 4-inch space between each rebar. Cover with three more rebars, creating a crisscross pattern.

  • Cover the rebars with remaining cement and let it dry.

  • Lay a level so the straight edge is facing up. Using a pencil, make a mark that's parallel to the road. If the cement is uneven, lay more concrete.

  • Lay down one cement block over the cement mixture. Keystone Retaining Wall Systems, Inc. recommends placing the long side of the block towards the street.

  • Place a level on top of the first block to make sure it is even.

  • Cover the block with mortar.

  • Place wall ties on each corner of the cement block. According to Do It Yourself Network, Inc., wall ties will adhere to the cinder block wall and will help support the structure later on.

  • Continue laying blocks on top of one another. Cover each layer with mortar. Continue building until the column mail box is 3 inches high.

  • Lay a layer of mortar on top of column.

  • Set a 12-by-16-by-14 cap block on top of your column. This will serve as the base for your mailbox. Let the mortar set overnight.

  • Place the mailbox on top of the cap block.

  • Place square concrete bricks around the mailbox. Fill the gaps with mortar.

  • Place two 12-by-16-by-14 cap blocks on top of the mail box. Let the mortar cure overnight.

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