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  1. #101
    Senior Member Rank = Yonsai Tropheus's Avatar
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    It was a very sunny day on Friday when he did it. However, he erected the tarp before re flow-coating it so it got a good 24 hours under the tarp to cure which should be more than enough.

    Yes, it's a horrendous job. Same with the guys that did mine. The only time they used masks was when sanding before the flow coat. Otherwise they were breathing in the fumes. The house stank of fibreglass fumes for a day or so.

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  3. #102
    Senior Member Rank = Supreme Champion freddyboy's Avatar
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    My pond builders. When fiber glassing.
    Did mine with no covers. I bought a marquee. For it as well.
    They glassed it over 3 days. Sides day 1
    Bottom day 2. Then a sanding down.
    Day 3 topcoat flowcoat. Day 4 started putting water in. Red hot sunny days all week.
    I did my grow on qt tank. With my mate.
    In the shed. 500 gallon tank. That my mate built. From wood. Wore masks.
    I had a bad chest for a week.
    Fred

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  5. #103
    Normal vapour Ken's Pond Build just donít cut it with those fumes, Airfed masks is what should be used but pricey!


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  7. #104
    Senior Member Rank = Yonsai SamuraiJack's Avatar
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    that is a fantastic build, thanks for sharing
    Human life is truly a short affair. It is better to live doing the things that you like Inazo Nitobe

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  9. #105
    Senior Member Rank = Yonsai Tropheus's Avatar
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    Cappings done yesterday and external walls were coated ready for pebble dashing. That's due to happen on Friday weather permitting.

    I now have a line of mortar visible underneath the cappings and on top of the fibreglass (as expected). I'm going to get some flowcoat from the fibreglasser and paint it black to match. Has anyone any other ideas?

    20201028_133218684_iOS.jpg20201027_135213178_iOS.jpg20201028_133222120_iOS.jpg20201028_133232496_iOS.jpg

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  11. #106
    Senior Member Rank = Kyusai Koiz's Avatar
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    I had this problem too. Mine became quite an issue in the end with a lot of lime staining running down the FG. Eventually I sealed it with G4. I did two clear base coats and two black top coats about 10 cm wide all round the top of my pond. Worked great ... till this year it's starting to bubble and peal off. Pretty annoyed! Had no idea it'd do that. Will have to reassess it next year.

    Pic from earlier this year when pond stripped down. Interesting how the algae brushes of so easily from the paint. You can see areas that have flaked. This was painted around September 2017.



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    Last edited by Koiz; 29-10-2020 at 12:55 AM.
    11,440L Raised Pond, BD, Oase ProfiClear, Bitron 55W, 2x10k Aquaforte Varios, Skimmer to Waterblade

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  13. #107
    Senior Member Rank = Kyusai Koiz's Avatar
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    Your window looks awesome. Love the depth of it Ken's Pond Build

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    11,440L Raised Pond, BD, Oase ProfiClear, Bitron 55W, 2x10k Aquaforte Varios, Skimmer to Waterblade

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  15. #108
    Senior Member Rank = Yonsai Tropheus's Avatar
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    Thanks Koiz. I did consider G4 as I've used it in the past, but opted to go for the flowcoat as it will be a direct match. It has crossed my mind that it may not blend too well and could eventually peel as G4 eventually does.

    Another option is to get it fibreglassed up to that point. Not sure if that will be much advantage either as it will be difficult to seal at the top of the mortar.

    Other option is to leave it as is let it darken with age.

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  17. #109
    Senior Member Rank = Kyusai Koiz's Avatar
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    It all goes green in the end anyhow! I was more concerned about the lime leaching into the water TBH. The G4 stopped that. If there is no leaching from where it peals I'll just leave it be. Time will tell Ken's Pond Build It seems to be coming off in quite large strips. I've seen a koi spit some out before I managed to grab it out the pond so I'm not overly worried they'll swallow any. It then gets taken out by the drum. Think flowcoat is a better solution.

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  19. #110
    Senior Member Rank = Hassai dbs's Avatar
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    Quote Originally Posted by Tropheus View Post
    Cappings done yesterday and external walls were coated ready for pebble dashing. That's due to happen on Friday weather permitting.

    I now have a line of mortar visible underneath the cappings and on top of the fibreglass (as expected). I'm going to get some flowcoat from the fibreglasser and paint it black to match. Has anyone any other ideas?

    20201028_133218684_iOS.jpg20201027_135213178_iOS.jpg20201028_133222120_iOS.jpg20201028_133232496_iOS.jpg
    Liking that, they look a similar size to mine that were delivered yesterday, I think I am using tile adhesive to stick mine down, and silicone to the pond side... Flowcoat sounds good plan, although where I have touched min in (inside the pond) it shows up a lot with the water in, but hey that will all be green soon anyway

    Looking forward to seeing the pebbledash, that will look great against the slate !!

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  21. #111
    Moderator Rank = Supreme Champion Feline's Avatar
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    Trophius, I would recommend you get some tubes of black MS290 or black Automarine and seal over the mortar totally with a decent bead so it’s permanently covered.

    I was fortunate with my current pond that I had learned on a previous pond build not to use mortar to stick on the copings (at least not at the fibreglass/liner edge where it’s visible anyway) so I used Automarine for the whole job. If you can cover yours with it you should end up with a similar end result though. You would need to do this now before the fish are in as it needs a curing time to be fish safe.

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  23. #112
    Senior Member Rank = Yonsai Tropheus's Avatar
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    Hi Feline,

    Hopefully we got over that problem. The tiler realised that mortar wouldn't stick well to the flowcoated surface. He also felt that there was too large a gap for adhesive. As a solution, he got some metal mesh and screwed it to the top of the pond (not into the fibreglass, just the brick) and then bent it upwards to give something for the mortar to adhere to. I checked them today after 2 days and they all appear very solid. I suppose time will tell.

  24. #113
    Moderator Rank = Supreme Champion Feline's Avatar
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    Quote Originally Posted by Tropheus View Post
    Hi Feline,

    Hopefully we got over that problem. The tiler realised that mortar wouldn't stick well to the flowcoated surface. He also felt that there was too large a gap for adhesive. As a solution, he got some metal mesh and screwed it to the top of the pond (not into the fibreglass, just the brick) and then bent it upwards to give something for the mortar to adhere to. I checked them today after 2 days and they all appear very solid. I suppose time will tell.
    Any idea what kind of metal he used? Hopefully nothing with zinc or aluminium in it.

    You do need to bear in mind that water will splash over your copings when the fish are messing around, in addition to rainfall washing in, so anything that is just under the edge of your copings can contaminate the water with whatever is in it.
    My motive for using a black fish safe sealant was mostly appearance, but the leaching issue is definitely worth thinking about also.

  25. #114
    Senior Member Rank = Yonsai Tropheus's Avatar
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    It was this stuff. It's galvanised steel AFAIK. Given the couple of inches of mortar and the fact that I'll be sealing it with flowcoat, I can see much water getting in contact with the metal and then running into the pond.

    s-l400.jpg

  26. #115
    Senior Member Rank = Yonsai Tropheus's Avatar
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    No progress over the past couple of weeks and getting frustrated.

    I've decided to get the fibreglasser back to cover the mortar line under the cappings. I considered doing it myself, but best to get a pro and get it done right. He was supposed to be here this morning, but the weather in Dublin was very wet and windy so it wasn't a runner.

    Also waiting on the pebble dashing. The plasterer the builder uses is out of work after an operation. Just my luck. He's trying to find someone else, but it's not easy for such a small job.

    I could fill it after the fibreglasser is done, but I don't want to risk having to fish out a load of stones after the pebble dashing so will probably wait another week or so.

    I feel as though this will never be finished!

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  28. #116
    Senior Member Rank = Hassai dbs's Avatar
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    I am sure you will get there eventually !!

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  30. #117
    Senior Member Rank = Yonsai Tropheus's Avatar
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    Some good progress today. The fibreglasser came back and did the mortar line under the cappings. He decided to fibreglass rather than just apply flow coat to ensure it lasts.

    No just the pebble dashing to go.

    20201112_160642830_iOS.jpg

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  32. #118
    Very tidy Ken's Pond BuildKen's Pond Build worth the extra effort mate

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  34. #119
    Senior Member Rank = Hassai dbs's Avatar
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    Agreed very nice looks much better and will blend in well, the slate looks much tidier with that done

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  36. #120
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    I’m so glad he has sealed that properly now, and will make a big difference to the appearance above water line, which lets face it is is the only bit of the pond walls we truly see once there’s a biofilm

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