Two tier retaining wall

Discussion in 'Hardscaping' started by coolbrze, Jun 22, 2011.

  1. coolbrze

    coolbrze LawnSite Member
    Posts: 124

    We're going to build a sm. two tier planter retaining wall using EP Henry Coventry Garden wall stone (link below) and was hoping for some help from you experts. The highest point will be ~ 18". How much 21A should we use as the base? What else will we need for the project?
  2. DVS Hardscaper

    DVS Hardscaper LawnSite Fanatic
    Posts: 6,417

    A few wheel-burr loads Otta-dew-er....
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  3. zedosix

    zedosix LawnSite Silver Member
    Posts: 2,635

    I figure you mean how much depth of granular you will need. Typically 8" is good, but soil conditions and ground disturbance are a couple of factors that could be important to consider.

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