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Silicone suitable for fixing small wire loop onto Concrete Roof Tiles Ridge Caps

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  1. #1
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    Default Silicone suitable for fixing small wire loop onto Concrete Roof Tiles Ridge Caps

    I want to affix a small looped wire as below onto my concrete tile roof ridge caps to then cable tie christmas lights.(the square based cable tie mount on the LH side is another option to silicone down however it can not straddle the curved ridge)



    What silicone product would work best with a concrete tile substrate?
    Roof and Gutter is more aimed at metal substrates.

    Maybe

    https://www.bunnings.com.au/selleys-...alant_p1230973

    Selleys 415g Brick And Concrete Sealant

    or Sika Pro

    https://aus.sika.com/en/construction.../4649.htmlAlso what surface prep? wire brush and then a alcohol wipe? though stiff brushing will damage the paint on the tiles but theyre quite oldanyway
    Attached Thumbnails Attached Thumbnails cable-mount-vs-twisted-wire-tiled-ridge-caps.jpg  

  2. #2
    Jon
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    Default Silicone suitable for fixing small wire loop onto Concrete Roof Tiles Ridge Caps

    Hi Dale, that twisted wire loop looks suspiciously like my roof.
    I would have used whatever I had open, quite possibly brick and tile silicon. And very minimal cleaning, probably a rub with a wire brush then a wipe with metho.

  3. #3
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    Cheers Jon, I found the images on the net, how well have they lasted? Do u need to reapply every 2 years?

    Luckily my roof is 30 odd years old concrete tiles, I was thinking of having it resprayed, if I did I donít suppose Iíd wire brush it but mask off a small rectangle and slightly degloss and metho.

    W the metho how long do u find u have to leave it before siliconing?

    Did u find this method superior to glueing on square based cable tie bases etc?

  4. #4
    Jon
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    Default Silicone suitable for fixing small wire loop onto Concrete Roof Tiles Ridge Caps

    When I cleaned the dust off the roof they stuck well.
    I also use some cable tie mounts like these
    https://www.ebay.com.au/itm/100-Pcs-....m46890.l49292
    The larger base gives more glue area, make sure the silicon does not come through the mounting screw hole and stock the insertion of a cable tie.

  5. #5
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    They look good, just not suitable for the ridges?

  6. #6
    Jon
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    Default Silicone suitable for fixing small wire loop onto Concrete Roof Tiles Ridge Caps

    They would be okay on the ridge but a bit bulkier and more noticeable for the other 11 months of the year.
    I actually have them on a hip and only need to be seen from one side and have the cable tie mounts stuck to the side of the capping tiles.
    Either way works well and looks good. you are normally your own harshest critic

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