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Fence Post Mortar - Pointing Patio Slabs

Discussion in 'In the Garden' started by utterlydiy, 24 Oct 2019.

  1. utterlydiy

    utterlydiy

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    Have a some fence post mortar bags left over from garden fencing.

    Could I use these for pointing the 2 x 2 & 3 x 2 patio slabs etc.
     
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  3. No - the 'fence post mortar' is likely to be a form of 'Postcrete' and is unsuitable for any other purpose.

    That is unless you've used a bagged mortar mix for setting your fence posts!
     
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  4. lonner

    lonner

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    Building sand 4/1 mix for pointing.
    You’ll make a mess with postcrete, plus its full of pebles that wont go into the joints. Unless its a big joint, that a post will go into
     
  5. utterlydiy

    utterlydiy

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    The mortar is 'Carlton - FP ECOMIX' and has no pebbles.

    I find the 4:1 mix too soft and crumbles/breaks up well within 12/15mths as it tends to be damp/waterlogged most of the time.
     
  6. SFK

    SFK

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    For me 'Carlton - FP ECOMIX' shows up as PostCrete -used for seeing fences posts in place.

    Is this what you have?

    This is Concrete.
    And fast setting too (5-10mins).
    This will be impossible to use as a mortar.

    For paving stones (as a DIYer) I use Use a mortar mix of 6 parts sharp sand to 1 part cement.


    Screenshot 2019-10-25 at 14.22.23.png
     
    Last edited: 3 Nov 2019
  7. Neilgriff63

    Neilgriff63

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    Use fine paving sand. Just brush it in.
     
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