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Sealing Natural Stone

Discussion in 'Water Features' started by MLMLLC, Oct 6, 2005.

  1. MLMLLC

    MLMLLC LawnSite Member
    Posts: 4

    Has anyone had experience using large boulders or large shale rocks in a water feature? We are looking at a job now where the customer wants to basically turn a natural shale/rock wall into a water feature.

    A few items of concern:
    Will the constant water cause the shale to flake?
    Can an epoxy sealer prevent this?
    Is there a commercial cleaner available for cleaning the stone initially?
    Can the rock be bored run hoses/wires?

    Any help or direction would be greatly appreciated.
     
  2. n2h20

    n2h20 LawnSite Senior Member
    Posts: 503

    I dont know but am interested in what others have to say.
    There is a spray on liner that may work with your situation
     
  3. sheshovel

    sheshovel LawnSite Fanatic
    Posts: 5,112

    Yes rock can be bored or drilled with an impact drill and a big bit,just don't drill in the cracks and seams in the rock and start with a smaller bit and work up to a larger one.
    You won't be able to seal the rock from water.It will leak and you will loose water.But you can put down a pond liner
    on sand and stack the rocks on top,I wouldent recommend shale though as it will probably sluff of and clog up the pump.It is a soft rock.You could take a few pic's and post them and that would help show what you have going on.Then mabey help you figure it out.
     
  4. cgland

    cgland LawnSite Bronze Member
    Posts: 1,929

    boring shale almost always ends in disaster :cry: Try to avoid it.

    Chris
     
  5. MLMLLC

    MLMLLC LawnSite Member
    Posts: 4

    The boring is not that big of a deal, we can re-route the pipes and wires. My main concern is the shale.
     

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