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  1. #1
    Join Date
    Feb 2008
    Location
    Turramurra, Sydney
    Posts
    2

    Question Paving sand washed out and away.

    the sand between the pavers has been lifted out and washed into the pool. I don't want to make the same mistakes as the guys who did the paving in the first place (pergola builders, not paving specialists). Firstly they added dry cement in the final 'brush sand into the gaps', which I read today is a no no. Over the next week or two of rain my pool filled up with a lot of grey silt, and the gaps returned. There is a good chance they used sand that is not what is recommended too. (Surprised the cement never hardened with the rain.) They did use a compactor.
    Is it normal for rain to lift the sand out from between the tiles ? or only if you use the wrong sand ? add cement ? The gaps look about right.

    Should I just buy the right sand and brush it in or will it just lift out again in the next rain?

  2. #2
    Join Date
    Dec 2005
    Location
    South Australia
    Posts
    140

    Default

    Are we talking pavers or tiles, tiles should be grouted, if we are talking pavers, I had the same problem with rain washing the sand out I replaced the sand wth pavelock and have had no more wash out

  3. #3
    Join Date
    Dec 2005
    Location
    Western Australia
    Posts
    190

    Default

    If we are talking about traditional pavers, the issue could also be a lack of a concrete edge around the pavers. The last row of pavers should be imbedded in cement, as this stops the sand being washed away.

    Also, if you have enough water running over the pavers to wash the sand away, you might want to look at drainage, and also diverting some or all of the water away from the area, by using soak-wells, drainage ditches and ag-pipe.

    Cheers

    Jayson

  4. #4
    Join Date
    Feb 2008
    Location
    Turramurra, Sydney
    Posts
    2

    Default Pavelock - where can I get it ?

    Thanks China, I would like to give Pavelock a go, but can't see where it's sold in Sydney.Any idea?

  5. #5
    Join Date
    Dec 2005
    Location
    South Australia
    Posts
    140

    Default

    Most of the paver yards sell it here in SA might give Bunings a try (as mutch as I hate to suggest it)

  6. #6
    Join Date
    May 2007
    Location
    Bundoora, Melbourne
    Posts
    197

    Default

    Quote Originally Posted by Nudge View Post
    Thanks China, I would like to give Pavelock a go, but can't see where it's sold in Sydney.Any idea?
    I have had a few inquiries about this.... try searching using the spelling Pave-Lok

    Or Gap Sand. Both do similar things, they are a silica based dried sand that is porous yet goes hard. The coping tiles should be hard grouted next to the pool, they will get wash etc on them and will need to be waterproof
    Planned Landscape Constructions
    www.plannedlandscape.com.au

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