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Discussion in 'Landscape Architecture and Design' started by bobbygedd, Apr 18, 2003.

  1. bobbygedd

    bobbygedd LawnSite Fanatic
    from NJ
    Messages: 10,178

    we have a few jobs lined up which require small decorative walls. nothing big mind u, 3 x10 max. though well built, they can easily be knocked over from kids playing on them etc. this is fieldstone/natural stone. does anyone use cement in between layers?
  2. noclevername

    noclevername LawnSite Member
    Messages: 52

    We only use mortar between them if the wall will be built on concrete footings, otherwise they (the joints) tend to crack and crumble after a few freeze/thaw cycles. If you're able to get a reasonably tight joint with somewhat parallel surfaces try a single stage polyurethane elastomeric caulking, we've had excellent results. The elastic properties are amazing allowing up to 600% stretch. We use it on all our expansion joints in everything from flagstone walks to concrete pads. If you do end up using mortar make sure to suppliment the mix with a bonding liquid and a plasticizer, it allows a bit of movement.
    Have fun !

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