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Filling cracked patio gaps

Discussion in 'In the Garden' started by Steveb21, 6 Apr 2020.

  1. Steveb21

    Steveb21

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    Got many cracks around patio area (around swimming pool).

    I plan to clear out all existing material in the gaps and then refill.

    What would be the best product to use?
    I have seen some kind of sand you can just brush in - is this a good idea?
    Also, what can I use the clean up the slabs? I have jet washed... the small black spots do not come out.

    80B110C1-A07D-471D-BCA8-D002B556A2C2.jpeg 01AD9EC3-FDD3-4246-878A-1BEA8370ED39.jpeg 0037B8E2-4592-4394-AD19-5CDB1F2D27FE.jpeg
     
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  3. plastic_peanut

    plastic_peanut

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    Probably a pre-mixed mortar would be your best bet once you have removed the lose material. You will likely have a colour mismatch so may be best if you can point the other gaps as well.
    Thin bleach (not thick) and a stiff brush prior to jet washing should remove the nasty stuff
     
  4. Steveb21

    Steveb21

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    Last edited: 7 Apr 2020
  5. Steveb21

    Steveb21

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    PLanning to do this in the next few days - once I have removed the current cracked pointing.

    would a mix of 3:1 sand:cement be suitable? Mixed dry, spread in and then slightly watered over?
     
  6. Ian H

    Ian H

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    No, brushed in dry mix never lasts.
     
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  7. Steveb21

    Steveb21

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    If I do wet what ratio mix do I use?
     
  8. Ian H

    Ian H

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    I’d do 4:1 but currently thinking about using the tubbed resin stuff.
     
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