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  • Some concrete advice

    No, as usual, nothing helpful from me, but I'm looking for assistance.
    I am taking delivery of a greenhouse in the next couple of weeks (thanks again SlugLobber) and I am aiming to put it on a concrete base in the garden.
    The greenhouse is 4 x 3m approx, so:
    How wide/long do I build the base, and perhaps most importantly, how deep?
    Also, do I use aggregate or just sand and cement?

    Many thanks in advance to all you building type peeps who can assist.
    Bob Leponge
    Life's disappointments are so much harder to take if you don't know any swear words.

  • #2
    Originally posted by bobleponge View Post
    No, as usual, nothing helpful from me, but I'm looking for assistance.
    I am taking delivery of a greenhouse in the next couple of weeks (thanks again SlugLobber) and I am aiming to put it on a concrete base in the garden.
    The greenhouse is 4 x 3m approx, so:
    How wide/long do I build the base, and perhaps most importantly, how deep?
    Also, do I use aggregate or just sand and cement?

    Many thanks in advance to all you building type peeps who can assist.
    You want the greenhouse to last a long time, so allow about 10cm all round for water to run off, dig your base with space for about 10cm hardcore and about 10cm concrete (aggregate, sand & cement). It should last a lifetime, mate. Happy digging!

    Zebedee
    "Raised to a state of heavenly lunacy where I just can't be touched!"

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    • #3
      Nice one mate, many thanks. I'll be out there this morning then, digging a nole
      Bob Leponge
      Life's disappointments are so much harder to take if you don't know any swear words.

      Comment


      • #4
        Make sure your base rises to a little higher than the surroundings (a couple of inches should do).
        Are you completely sure you want a solid base, not just strip foundation under the walls?
        Compact the hardcore well before adding concrete.

        Depending on soil type (at the bottom of the hole) and whether there are trees or fast growing bushes nearby, extra depth might be necessary, although one advantage of a solid base is that it is less vulnerable to this sort of problem..
        Flowers come in too many colours to see the world in black-and-white.

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        • #5
          I would prefer a solid base. I am very lucky in that I have a decent sized garden, so the greenhouse will be used (along with my other smaller one) for starting stuff off and overwintering, I wont be growing anything in the soil.
          Thanks for the compacting advice. There are no trees or fast growing shrubbery where I intend to the put the new structure, but as you said, the solid base will stop anything growing through it.
          Bob Leponge
          Life's disappointments are so much harder to take if you don't know any swear words.

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          • #6
            Originally posted by bobleponge View Post
            I would prefer a solid base. I am very lucky in that I have a decent sized garden, so the greenhouse will be used (along with my other smaller one) for starting stuff off and overwintering, I wont be growing anything in the soil.
            Thanks for the compacting advice. There are no trees or fast growing shrubbery where I intend to the put the new structure, but as you said, the solid base will stop anything growing through it.
            It isn't about things growing through. On some soils trees dry out the soil so that it shrinks. Strip foundations are often broken when that happens, but a solid foundation the size of that should remain whole regardless (if everything was properly compacted in the first place, if not, it may crack).
            Flowers come in too many colours to see the world in black-and-white.

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            • #7
              We've plenty of rebar out in the warehouse if you really want to make sure it's solid?
              A simple dude trying to grow veg. http://haywayne.blogspot.com/

              BLOG UPDATED! http://haywayne.blogspot.com/2012/01...ar-demand.html 30/01/2012

              Practise makes us a little better, it doesn't make us perfect.


              What would Vedder do?

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              • #8
                Cheers for the offer big fella, but luckily I have managed to scrounge some from a mate here who had extra. Not sure how I could have got it into the Barchetta but would have tried.
                Bob Leponge
                Life's disappointments are so much harder to take if you don't know any swear words.

                Comment

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