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Cement Granite mailbox post?

Discussion in 'Hardscaping' started by Clarkscape, Mar 23, 2013.

  1. Clarkscape

    Clarkscape LawnSite Member
    Posts: 21

    Got my first granite mailbox install....looking to see if you guys support with concrete or install without?
  2. Stillwater

    Stillwater LawnSite Platinum Member
    Posts: 4,792

    Install without concrete, use a gravel and dirt mix make sure you install per USPS guidelines and plumb to the center line of the road. Also bring help a real and proper granite mbox post can weigh in excess of 300 pounds.
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  3. DVS Hardscaper

    DVS Hardscaper LawnSite Fanatic
    Posts: 6,403

    I believe the USPS requires mailbox poss to be "collapsible"
    Posted via Mobile Device
  4. TomG

    TomG LawnSite Senior Member
    Posts: 675

    We don't use concrete. We back fill around it with 3/4" processed gravel. Compact the gravel with a sledge hammer (use the top of it).

    DVS, anything is collapsible with a big enough hammer :laugh:

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