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DPC - I wonder where it is?

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Comments

  • #32
    Lumen
    Registered Users, Registered Users 2 Posts: 30,477 ✭✭✭✭Lumen


    karlitob wrote: »
    If I understand you right, put concrete to the back of the kerb (a hauncing) and fix to that? .
    Maybe, but that's not how haunching works, it resists lateral movement through compression. What you're proposing isn't haunching, it's something else. It sounds bodgy.

    As to the design details I don't really know, I just know from experience that relying on the adhesive qualities of mortar on stone is a bad idea.


  • #33
    karlitob
    Registered Users, Registered Users 2 Posts: 2,594 ✭✭✭karlitob


    Lumen wrote: »
    Maybe, but that's not how haunching works, it resists lateral movement through compression. What you're proposing isn't haunching, it's something else. It sounds bodgy.

    As to the design details I don't really know, I just know from experience that relying on the adhesive qualities of mortar on stone is a bad idea.




    Thanks Lumen. Appreciate your time. I had read up a bit on retainers and thought I was onto something - but doesn't seem correct. https://www.pavingexpert.com/featur06



    I feel a little stuck now. I don't really know how to progress.



    I'm sure I'll think of something.


  • #34
    Lumen
    Registered Users, Registered Users 2 Posts: 30,477 ✭✭✭✭Lumen


    karlitob wrote: »
    Thanks Lumen. Appreciate your time. I had read up a bit on retainers and thought I was onto something - but doesn't seem correct. https://www.pavingexpert.com/featur06

    Ah I see, it's haunched from both sides. That looks clever but complicated!


  • #35
    karlitob
    Registered Users, Registered Users 2 Posts: 2,594 ✭✭✭karlitob


    Lumen wrote: »
    Ah I see, it's haunched from both sides. That looks clever but complicated!




    Still. It's not exactly what I'm looking for. I'd like to see the full 200mm of the granite kerb. Kinda like in the pics. Just no idea how to do it. Or at least it looks straightforward - but whats the best way to fix and ensure it never ever moves.



    This kinda thing is what I'm looking for.


  • #36
    Lumen
    Registered Users, Registered Users 2 Posts: 30,477 ✭✭✭✭Lumen


    karlitob wrote: »
    Still. It's not exactly what I'm looking for. I'd like to see the full 200mm of the granite kerb. Kinda like in the pics.
    Those kerbs are set below the level of the paving. They're not showing the full face.


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  • #37
    karlitob
    Registered Users, Registered Users 2 Posts: 2,594 ✭✭✭karlitob


    Lumen wrote: »
    Those kerbs are set below the level of the paving. They're not showing the full face.

    Understood. Any idea how their fixed?

    That’s why I was thinking about 50mm haunch to the front and 175mm to the back on a bed or 150mm.

    I’m not exact one this pic but maybe a somewhat close?
    https://www.boards.ie/vbulletin/attachment.php?attachmentid=557487&d=1625337921


  • #38
    standardg60
    Registered Users, Registered Users 2 Posts: 5,755 ✭✭✭standardg60


    karlitob wrote: »
    Thanks Lumen. Appreciate your time. I had read up a bit on retainers and thought I was onto something - but doesn't seem correct. https://www.pavingexpert.com/featur06



    I feel a little stuck now. I don't really know how to progress.



    I'm sure I'll think of something.

    Imo a version of the link you posted should be fine, it's important to lay a wide foundation under the kerb so the rotational force of the ground being retained is spread out.
    As for ensuring a good adhesive hold on the back of the kerb use a plasticiser in the mix. I always add it when laying patios too as it does the same job on the back of the paving.
    Btw i use a few drops of washing up liquid, as good as anything.


  • #39
    karlitob
    Registered Users, Registered Users 2 Posts: 2,594 ✭✭✭karlitob


    standardg60 wrote: »
    Imo a version of the link you posted should be fine, it's important to lay a wide foundation under the kerb so the rotational force of the ground being retained is spread out.
    As for ensuring a good adhesive hold on the back of the kerb use a plasticiser in the mix. I always add it when laying patios too as it does the same job on the back of the paving.
    Btw i use a few drops of washing up liquid, as good as anything.


    Thanks so much for that. Really appreciate it.

    So wide foundation under the kerb but otherwise you don’t reckon I’m too far wide of the mark?

    https://www.boards.ie/vbulletin/attachment.php?attachmentid=557487&d=1625337921

    Thanks so much.


  • #40
    standardg60
    Registered Users, Registered Users 2 Posts: 5,755 ✭✭✭standardg60


    karlitob wrote: »
    Thanks so much for that. Really appreciate it.

    So wide foundation under the kerb but otherwise you don’t reckon I’m too far wide of the mark?

    https://www.boards.ie/vbulletin/attachment.php?attachmentid=557487&d=1625337921

    Thanks so much.

    Yep, that's fine, though I'd slope the haunch for drainage


  • #41
    karlitob
    Registered Users, Registered Users 2 Posts: 2,594 ✭✭✭karlitob


    standardg60 wrote: »
    Yep, that's fine, though I'd slope the haunch for drainage

    Understood. Thanks again.

    Feck this is hard. And I haven’t even started yet.

    Appreciate all your help.


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  • #42
    karlitob
    Registered Users, Registered Users 2 Posts: 2,594 ✭✭✭karlitob


    https://www.boards.ie/discussion/comment/117546971#Comment_117546971

    Hi there

    getting someone to do the groundwork’s and I’m gonna do the laying.


    my patio will be 10 x 10m; and I’ve taken your advice on this thread. Thanks so much. Level is fine as long as you have a way to clear the water.


    would you have any guidance as to how many slots are needed. I was thinking one in the middle and one at the end of the patio. Would that sound correct to you?


    I was planning on slot channels also which will drain into our sewage system (grey water) - so these slot channels have sumps or some sort of inspection and Clearqnce chamber.



    thanks all. This thread has been very helpful.



  • #43
    standardg60
    Registered Users, Registered Users 2 Posts: 5,755 ✭✭✭standardg60


    One at the end is fine, there's more than enough capacity to handle the rainfall we get here



  • #44
    karlitob
    Registered Users, Registered Users 2 Posts: 2,594 ✭✭✭karlitob


    https://www.boards.ie/discussion/comment/117794701#Comment_117794701

    Thanks so much. Grateful for your time.



  • #45
    karlitob
    Registered Users, Registered Users 2 Posts: 2,594 ✭✭✭karlitob


    https://www.boards.ie/discussion/comment/117794701#Comment_117794701

    Sorry to bother you once more.


    In the middle of the patio I'm planning two l-shaped floating benches. There'll be a 1.5m gap between the two so you can walk up and down the patio. https://ibb.co/2kW310k

    I think the rain might collect at the base of these walls so I was wondering if I should put the drain across the middle, in front of these walls - as you look from left to right in the picture; rather than at the end. Any view would be welcome.


    I was thinking of slot channel drainage also, rather than the standard. But not sure of whats needed in terms of rodding access? Any view on this?



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