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  1. #1
    Join Date
    May 2004
    Location
    Daylesford, Victoria
    Posts
    0

    Default treated pine vs railway sleepers

    Hi,

    We are planning to use sleepers as a small retaining wall in front of a vege garden. I have heard that you shouldn't use some sleepers around vege (or other) gardens as the chemicals can leak into the soil. This wall will be holding back a grassed area with the garden below, and we'll have drainage pipes but some seepage will get through to the garden.

    I know treated pine sleepers are bad, but were the old railway sleepers treated with anything (to prevent rolt, termites, etc) that I should avoid? I figured second-hand ones would be cheaper than new, but not if I'm going to poison everything!

    I did a search here and couldn't find an answer, although I thought it had been bought up before.

    Thanks,

    Darren

  2. #2
    Join Date
    Jan 2004
    Location
    Kilmore, near Melbourne, Australia
    Age
    66
    Posts
    781

    Default

    personally I wouldnt use either. Treated pine is made using copper arsenate and is rapidly going out of favour worldwide due to the leaching fears.

    Sleepers are whiteant magnets as I have unfortunately discovered. They also rot and fail within 5 years or so I think. Perhaps let us know what the dimensions of your project needs to cover and post a pic if possible.

    have fun
    Steve
    Kilmore (Melbourne-ish)
    Australia

    ....catchy phrase here

  3. #3
    Join Date
    May 2004
    Location
    Daylesford, Victoria
    Posts
    0

    Default Garden bed

    Hi Steve,

    The proposed garden bed is around 5m x 1.5m. The slope of our land isn't great, but we want to level off the back yard for the kids to play on and it dips down near the rear fence - about a .5m drop so we're only looking ar 2 - 3 sleepers high.

    Maybe bricks or those interlocking retaining wall things would be better - no arsenic!

    Thanks,

    Darren

  4. #4
    Join Date
    Nov 2004
    Location
    Melbourne
    Posts
    173

    Default

    if you really want to use sleepers, use red gum. I just pulled up 75mm ones that had been in the ground out the front of the shed and after 8 years there is a bit of rot but not too bad, you'd get 10 years out of the easy.

  5. #5
    Join Date
    Jul 2004
    Location
    Sale
    Age
    69
    Posts
    559

    Smile

    I've used bricks and bluestone around the vegie patch to replace rotted redgum sleepers that lasted around 15 years and had a bit of age on them when they went in. The bluestone was lying around otherwise I would have simply stuck to bricks as either way there is no intention to redo the area, ever.

    John

  6. #6
    Join Date
    Jun 2004
    Location
    Perth WA
    Posts
    780

    Default

    We have been removing treated pine structures from Day care and Playgroup centres.

    Have a look at reconstituted or natural limestone.

    Cheers
    Squizzy

    "It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all" {screamed by maths teacher in Year 8}

  7. #7
    Join Date
    May 2004
    Location
    Daylesford, Victoria
    Posts
    0

    Default Thanks

    Hi,

    Thanks for all the replies. I'll look at the costs of redgum sleepers vs limestone and bricks.

    I tend to steer clear of treated pine as much as possible, so will definately be going for something else.

    Thanks again!

    Darren,
    Melbourne

  8. #8
    Join Date
    Apr 2002
    Location
    Brisbane
    Posts
    0

    Default

    I did see a display of cast concrete sleepers at a garden show once & the idea I thaught was great.
    These were very convincing I think they had been cast from life. Came in a variet of colours & they wont rot.
    Any thing with sharp teeth eats meat.
    Most powertools have sharp teeth.
    People are made of meat.
    Abrasives can be just as dangerous as a blade.....and 10 times more painfull.

  9. #9
    Join Date
    Nov 2004
    Location
    Melbourne
    Posts
    173

    Default

    you'll find that the concrete sleepers are 3 times as expensive as timber, either red gum or cypress sleepers will be your cheapest, quickest and easiest option.

  10. #10
    Join Date
    Jul 2002
    Location
    Blacktown, Western Sydney
    Age
    59
    Posts
    76

    Default

    What about "real" sleepers, that is used sleepers that have been retired from service from under tracks. A few years ago I did a wall and found these the cheapest, and the heaviest, and the hardest to cut..... The only thing is they are not as pretty as brand new imitation ones but they have character. The concrete fake sleepers look like concrete fake sleepers, yuk.

    Jon

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