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Thread: 36000tr/8000Gal new Pond
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26-05-2018, 09:27 AM #41
Travis Perkins had a special offer on Celotex last week, might be worth a call rather than looking online?
Ask for trade price, although Recticel is usually cheaper.
Also, you can pick up some job lot bargains on insulation left over from bigger construction projects.
I would have thought that your veggie filter wants to be constructed in exactly the same way as your main pond.
It’s effectively another pond just smaller.
Sent from my iPhone using TapatalkLast edited by bigcarpchaser; 26-05-2018 at 10:23 AM.
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Ajm Thanked / Liked this Post
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03-06-2018, 09:34 AM #42
Hi all,
No construction progress this week, but I have ordered about 75M2 of 12mm PU foam from East coats Fibreglass, which looked like the best value.
12mm celotex is the better value per M2 but from what I can see this is only available with foil on both sides, which (I assume) wouldn’t be a good surface for the fibreglass to adhere to.
So foam sheet procured, so what I’m thinking about now is how to fix it back to the block, I was thinking about using pink grip or similar, but also thinking gun grade foam adhesive would be quite good- appreciate your
for fibre glass lining, 2x layers of 450g CSM and a surface tissue would appear to be standard..... any thoughts on this as it’s the next big purchase ??
Butrons have advised that the drum filter is ready and the mahoosive bio stage is ready for testing so hopefully I should get these next week, and hopefully the pond glass.
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bigcarpchaser, Ajm Thanked / Liked this Post
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03-06-2018, 09:39 AM #43
Foil on Celotex/Kingspan is fine, it’s what 99% of people use.
Mine was done last week, it’s hasn’t fallen off yet
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03-06-2018, 09:45 AM #44
Not sure if any of the usual glassing companies use tissue. Just 2 layers of glass and the flowcoat.
Worth a look through the pond build section.
Whatever you choose it’ll be covered in biofilm/algae in a year anyway.
Don’t expect a finish like a prefabricated pond they’re made in a mold so the finish is different, much smoother. I think the tissue will give a smoother finish but not sure if that’s a major issue in a pond. You’ll have a few imperfections I’m sure.
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03-06-2018, 10:22 AM #45
The guy on youtube (GRP lining i think?) uses a single layer of 600 with tissue then flow coat, rather than the more common 2 layers of 450 and flow coat.
Also some of the fibreglass suppliers offer 2 x 450 plus tissue in their kits (perhaps to push a bigger sale by including tissue?)
Tissues does give a smoother finish. But Like you say BigCarpChaser I don't know whether that matters significantly?
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freddyboy Thanked / Liked this Post
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03-06-2018, 10:38 AM #46
36000tr/8000Gal new Pond
GRP probably have to offer an alternative USP to justify their “high end” prices
Sent from my iPhone using TapatalkLast edited by bigcarpchaser; 03-06-2018 at 10:47 AM.
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03-06-2018, 10:50 AM #47
Yeah perhaps - i have no idea on their pricing so can't comment.
Applied correctly with full saturation of the matting, there would be little difference between 2x450 or 1x600 mat for the purposes of lining. 450 is easier to work with around corners.
I suspect that because tissue gives you a much better surface finish at the time the installer finishes the job and leaves its easy to see that this might look like a better job although functionally its just the same? that would be the USP you suggest.
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03-06-2018, 11:07 AM #48
Yea..I had a price from them, I nearly fell off my chair!
Bob was less than half but I had to do the celotex which took about 3 hours and cost about £140 for all the materials.
The glassing of my pond took 2 men 6 hours or so including a lunch break.
I had an idea of how much the materials cost and even allowing for an overnight stop at The Hilton and Lunch at The Ivy (leaving a generous tip) I was still gobsmaked.
Still, don’t blame them for trying. Nice work if you can get it and I don’t suppose there’s one a week...or maybe there is?
Out of all the jobs involved in constructing a pond glassing is one I wish I’d been brave enough to try myself. I’d definitely have a go if I were to do a third pond but after some practice on a few cardboard boxes
I think knowing how long you can use the resin for before it goes off is maybe the key.
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freddyboy Thanked / Liked this Post
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03-06-2018, 12:16 PM #49
I agree the celotex certainly looks the way to go* Far easier than a render and seal job. But then I'll turn my hand to anything except plastering - I never got the knack of that - proper art form.
Pricing - maybe thats why GRP lining is always complaining about the quality of the covers his clients put up - they simply can't afford a good cover after they pay him!
I've done some fibreglassing work previously but that has either been within a form or using woven sheet - and nothing remotely the size of a pond. Certainly the trick I found was to half the volume of resin that the pro's mix. And then half it again. When you are uncertain its far better to work in smaller volumes to keep the working time down. As long as you keep going and you haven't overloaded the hardener then you wont have any problem with your next batch adhering to the previous one.
* note i have a few questions about insultation and how best to do it, but that's probably for a different thread.
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freddyboy Thanked / Liked this Post
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03-06-2018, 12:20 PM #50
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23-06-2018, 06:36 AM #51
Hi All,
Quick progress update;
I lined the pond with 12mm PU sheet last weekend, and have Warning for anyone considering it.... it’s bloody evil stuff the dust is like horrible shards of glass that float around and get in your eyes every few minutes, safety glasses are not enough as it come through the side, so I would thoughtfully recommend full safety goggles and a mask, it’s very easy to cut with a knife and I used a gun grade ( low expansion) foam adhesive from Selco, and that appears to have worked ok.
The filters arrived early this week and couldn’t wait to make a start on piping them up.
So the main gravity pipe work is now in, but not clipped, inc fitting for the bottom drain purge lines, and todays job is finish the last sheet of PU around a window frame, fit the mid water TGPR’s, and make a start on the pump pipe work.
ibeabt to make a manifold, with ball and NRV’s so I can have the 3 variable flow pumps on timer, so I can boost the flow during the day and high season, and balance the flow to the returns, showers and veg pond, also have the facility to valve one off to feed the veg pond separately, as plan the is to use the 6x1M side veg pond, also as a quarantine /medication pond as I want to keep a couple of DB Stugeon
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freddyboy Thanked / Liked this Post
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23-06-2018, 06:52 AM #52
Heres a few few pics of the filter space, and the still wet slab for the side veg/quarantine pond.
one regret already is not using double union ball valves on the main lines instead of the much cheaper Kockney koi ones, one must have got knocked and has split right through, lucky had a spare.
Fibre glassing next week hopefully :@)
D8669E6F-71DA-4C2F-B3F8-BB06C5BBB897.jpg09F184EE-A2CB-47EE-8833-878A4745908B.jpgB4A60D2D-16DF-45BA-88DB-0F043AEA445C.jpgCE124A39-2DCE-42DC-8ACB-2D46ADD7EA2C.jpg
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23-06-2018, 07:08 AM #53
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23-06-2018, 08:53 AM #54
Looking good, I think i need to get my finger out, I'm just at the blockwork stage
4600 Gallon Concrete Block and Fiberglass
2100 mm x 710 mm Infinity Window 32mm thick glass
2 x Aerated Bottom Drains and Skimmer
Filtreau HiFlow 30 Drum Filter
Bio Chamber - 140 litres K1
Bakki Shower - 30 KG Sakura Far Infrared Media
2 x 18,000 lh pumps
Heated from house boiler through a heat exchanger
Idealseal MS290
My Pond Build
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23-06-2018, 10:31 AM #55
looking great,apart from th KK valves,if there anything like they used to be they will seize up and become inoperable,if your not going to be turning off and on all the time i would replace with slide valves,sometimes cheaper isnt the best policy especially with valves,also as said i would redo that clay pipe with plastic,andi
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23-06-2018, 03:57 PM #56
Looking good, looking forward to see its progression
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27-06-2018, 08:11 PM #57
Hi all,
Fibre glassing is well underway, and would probably be finished if I hadn’t underestimated, but I did double check the total M2 and then buy a kit for the next size up, but in any case we are quite a bit short on mat and totally out of resin, probably ‘cos We are laying it on thicker than a pro would.
The Guys worked through the night so it was quite annoying to then run out of material, It was a job I was looking forward to getting stuck into but had to go away on business, and it would have been daft to not take advantage of the settled weather.
so 2 coats of 450 +tissue on the side and most of the bottom done.
I have started to make up my 3x3 pump manifold with 2” pressure pipe, ball valves and NRV’s, and I am reluctant to make the final pump connections with hose, would anyone be able to advise if the typical thread on a decent sized pump is 2” BSP like this as I would like to fit a Union like this ....https://www.cdaquatics.co.uk/-pvc-im...ad-p-3819.html
My Pumps are Jebao eco (1x30000, 2x 20000) all have the same threaded hosetail fitting, the male thread is about 2& 3/16” or 58mm in new money and 11 TPI, my Googling says it 2” BSP, but I’m not sure, and 6x 2” BSP Union come in at about £100 so I don’t want to get it wrong, you advise is much appreciated....also I’ve lost one end of the direct air kit for the bottom drain, any ideas where I have put it ? - somewhere ‘safe’ probably. ;@)
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28-06-2018, 09:36 AM #58
Making good progress
4600 Gallon Concrete Block and Fiberglass
2100 mm x 710 mm Infinity Window 32mm thick glass
2 x Aerated Bottom Drains and Skimmer
Filtreau HiFlow 30 Drum Filter
Bio Chamber - 140 litres K1
Bakki Shower - 30 KG Sakura Far Infrared Media
2 x 18,000 lh pumps
Heated from house boiler through a heat exchanger
Idealseal MS290
My Pond Build
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01-07-2018, 09:40 PM #59
Fantastic weekend, hope yours also went well.
pond fibre glassing is complete and sanded ready for top coat, and pipe work is almost complete, and only need a few more fittings to complete.
For anyone having similar questions as I had my pump outlets were 2” BSP ( well at least 2 “ BSP fits.... its remaims to be see if it will leak)
Sunday was topped by my 12 year old beating a British champion in continuous kick boxing match, and then beating an adult in a points fight...Go Hythe Dragons !!
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02-07-2018, 09:10 PM #60
You been making the dog a paddling pool?
All looking very good. Bet it's been a struggle in the heat.
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freddyboy Thanked / Liked this Post
Every day feeding container?
Good shout, I'll have a look at Takazumi :)