How to copy old flagstone

Discussion in 'Hardscaping' started by ponddude, Apr 22, 2010.

  1. ponddude

    ponddude LawnSite Member
    Messages: 38

    I am rebuilding a 20 year old pond with flagstone edging on the sides. I tore up most of it, but they want to keep half and add the broken peices to create a new pathway to the old.

    I have limited experience with hardscapes and flagstone. I always thought everyone put a layer of sand down, tamped it and set stone on it.

    What the original installer did was lay down a layer of 3" mortar, set the stone down and looks like they motared the joints.

    Can I lay it down using sand and then somehow motor joints to make it look like the old stuff?

    Any thoughts?


  2. Summit L & D

    Summit L & D LawnSite Senior Member
    Messages: 269

    If you try to go back in with mortared joints only, you will see them start to crack and flake out right away. We have had good luck using Polymeric sand in the joints on dry-lay walkways. You might try that. Otherwise, you're going to need to do a complete wet lay.
  3. RCP Block

    RCP Block LawnSite Member
    Messages: 1

    I agree with Summit L & D...
    Instead of wet-setting the stone and mortaring the joints, a good option would be to lay them in sand (1" on top of compacted base), and then fill the joints with a polymeric sand product such as Gator Dust from Alliance. It will give you a solid joint similar to mortar.

    Check it out:

    Good Luck!

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