terrazzo swimming pools

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terrazzo swimming pools

Postby fredlk » Thu Mar 11, 2010 8:04 am

In another topic - concrete pool finish - there is talk of terrazzo swimming pools. Is there anybody here who has seen it used in Thailand or used it themselves?
I want a smooth swimming pool finish. In South Africa I have seen many Gunnite pools and that is the finish I want, but as far as I know it is not available or do-able in Thailand.
My architect had already suggested we use terrazzo, but the stuff I have seen in Thailand does not impress me. It looks too much like concrete with shiny bits added. I am trying to achieve as white a swimming pool as possible without using tiles if I can.
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Re: terrazzo swimming pools

Postby jazzman » Thu Mar 11, 2010 9:57 am

Terazzo is white concrete with shiny bits!
You could achieve a a joint-free coating using white Beadcrete®. It's not as smooth as glass thought, in fact it makes an excellent non-slip finish, perfect for swimming pools. It is far more expensive than traditional swimming pool finishes. But that depends on your budget.
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Re: terrazzo swimming pools

Postby fredlk » Thu Mar 11, 2010 10:00 am

jazzman wrote:Terazzo is white concrete with shiny bits!
You could achieve a a joint-free coating using white Beadcrete®. It's not as smooth as glass thought, in fact it makes an excellent non-slip finish, perfect for swimming pools. It is far more expensive than traditional swimming pool finishes. But that depends on your budget.

I have seen terrazzo in other countries which looked more like marble than concrete. Here the "shiny bits" used are too large.
Beadcrete is too expensive and not really worth the extra investment.
Anyone with first hand experience?
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Re: terrazzo swimming pools

Postby fredlk » Thu Mar 11, 2010 3:47 pm

Here is more or less what I'm looking for. I haven't seen it in Thailand although I must admit I haven't looked that hard.
Screen shot 2010-03-11 at Thursday - 11 Mar 2010 - 15.42.09 .png

Terrazzo_Bathtub.jpg

Has anyone seen (or used) this?
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Re: terrazzo swimming pools

Postby jazzman » Thu Mar 11, 2010 7:46 pm

Terrazzo as such is a completely normal process here in Thailand as anywhere else. It is however an unusual choice for a swimming pool finish.
If the contours are unusually freeform, it may not be easy for the grinding/polishing machine to achieve the finish you are hoping to achieve. As you already mentioned that Beadcrete® would be beyond the budgetary scope of this project, so would probably also the consideration of terrazzo for this small, non commercial swimming pool. It is of course technically technically feasible but you would need to obtain several alternative quotations to be sure that you are getting a fair price. Every time the words swimming pool are metioned, they tend to magically attract rather excessive prices for even standard tasks and materials.
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Re: terrazzo swimming pools

Postby fredlk » Thu Mar 11, 2010 8:07 pm

jazzman wrote:If the contours are unusually freeform, it may not be easy ....
.... Beadcrete® would be beyond the budgetary scope of this project, so would probably also the consideration of terrazzo ....

As you can see from my plans, the pool in question is square and angled.
I know that my pool is not going to be cheap at an approximate cost of 800,000 Baht and I was told by the architect to expect maybe 150,000 Baht on top of that for terrazzo instead of tiles.
So all in all I think it might be worth it and so before going ahead and saying "Ditch the tiles, do it in terrazzo!", I would like to see a finished product here in Thailand and to hear the experiences of the owner(s) as to wear and tear, cracking, etc. My pool should be well anchored and stable, but if and when it might crack, a terrazzo crack is far more difficult to repair than a tile crack, if it can be done at all.
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Re: terrazzo swimming pools

Postby jazzman » Fri Mar 12, 2010 4:09 am

It's not quite obvious that your pool is rectangular, as you do not provide a picture here or a link to one, and also as we don't know the size its hard to tell if 800,000 is expensive or not. One would assume however that your pool is somewhere in the region of 7.5 x 7.5 , 10 x 6, 5 x 12, or 4 x 15. Pools in Thailand are extremely cheap when compared with their Western prices. Nevertheless, for a standard rectangular pool, if you are paying more than about 13,500 - 14,000 per square metre of surface area, for a completed, normally tiled pool with reasonable quality pumps, filters, fixtures and fittings , then of course you are being overcharged even if the is being built by a reputed pool specialist. 150,000 sounds excessive for the tearrazzo sounds excessive too, especially if, as you stated, especially as Beadcrete® would have been beyond your budget. As yoru architect seems to know with some accuracy how much the terrazzo will cost, it comes as rather surprising that he does not know where to get it. As you correctly state, cracks in terrazzo are impossible to repair aesthetically. A correctly designed and built pool should not develop any cracks, and that should be the least of your worries if it is being built by a pool specialist.
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Re: terrazzo swimming pools

Postby fredlk » Fri Mar 12, 2010 6:36 am

jazzman wrote:It's not quite obvious that your pool is rectangular, as you do not provide a picture here or a link to one, and also as we don't know the size its hard to tell ....
.... especially as Beadcrete® would have been beyond your budget. ....
.... it comes as rather surprising that he does not know where to get it.

In my first and second posts and again on about page 2 of http://www.coolthaihouse.com/forum/viewtopic.php?f=3&t=1698, I posted the plans of my house and pool.
The pool at its widest is 7 metres and at its longest 11 metres. The deepest point will be 1.8 metres. There will be a 2 metre high infinity overflow on 4 of the 9 sides. The overflow wall will be stepped down. Around the pool on the patio area will be a hidden drain for removal of cleaning and / or rainwater.

As you can see there are many details that might raise the price and as budget is not my problem I don't understand why you want to talk about pricing. I also never said that my architect didn't know where to get terrazzo. All I said was that I would like to see a different quality than what I have so far seen used in this country. I am only interested in people's experiences so that I can learn from them. If it's more expensive, then so be it. The prices I have in my head were always guesses by builder and architect when asked just so that I could keep track. Until the builder has quoted on the detailed specifications calculated by the engineer, nothing is known for certain. I (or the architect) might be way off. We were trying to keep costs down but that was not really part of the plan. Design and function come first and if things turn out more expensive, then it will have to wait a while for execution.

I never said that it was beyond my budget, but I understood Beadcrete to be twice the price of terrazzo and if that is so, I think it excessive. Anyway its not quite so smooth surface might be less efficient when algae might form. A glass-like finish is always best in a swimming pool.
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Re: terrazzo swimming pools

Postby Nawty » Fri Mar 12, 2010 7:55 am

I like the look of that white terrazo pool in the first pic.

I have seen this terrazo finish in bathtubs around here in Pak Chong, on the main highway there was a bathtub shop that had a few, not sure if still there but.
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Re: terrazzo swimming pools

Postby fredlk » Fri Mar 12, 2010 8:02 am

Nawty wrote:I have seen this terrazo finish in bathtubs around here in Pak Chong, on the main highway there was a bathtub shop that had a few

Thanks. That means that I have not yet looked hard enough to find what I'm looking for. When I'm up there next time I'll have a look.
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Re: terrazzo swimming pools

Postby jazzman » Fri Mar 12, 2010 8:36 am

fredlk wrote: I don't understand why you want to talk about pricing. I also never said that my architect didn't know where to get terrazzo. I understood Beadcrete to be twice the price of terrazzo and if that is so, I think it excessive. Anyway its not quite so smooth surface might be less efficient when algae might form. A glass-like finish is always best in a swimming pool.


1. Everyone talks about prices on here. That's why it's a DIY forum and most people are trying to save money .
2. I never said you said your architect does not know where to get it - I expressed surprise that he 'might' not know, and I'm further surprised that you are all working on guesswork.
3. You understood wrong about the price Beadcrete® - try reading the thread that discusses it. It's not much more expensive than the luxury tiles that Nawty has in hnis swimming pool.
4. If you keep your pool properly cleaned regularly, and with the right dose of chemicals, you wouldn't have any more problems with algae than anyone else.
5. Whether a glass-like finish is best is subjective.
6.Please try to keep a cool head when replying to people who are only trying to be helpful and please don't assume we go searching around the site to find pictures that you might have posted elsewhere without a link.

Terrazzo is made of marble or granite chips depending on the final colour required. It also comes in different aggregate sizes. It will need to be laid at least 2 cm thick and will probably cost around 1,000 baht per m3., plus delivery. Add to that the cost of the special white cement. Consider carefully the problems of underwater light niches, inside and outside corners and step-noses, and places where the PVC pipes protrude through the floor and/or walls.
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Re: terrazzo swimming pools

Postby fredlk » Fri Mar 12, 2010 8:57 am

Okay.
Anyway this topic has wandered too far off course from my original question.
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Re: terrazzo swimming pools

Postby jazzman » Fri Mar 12, 2010 9:20 am

fredlk wrote:In another topic - concrete pool finish - there is talk of terrazzo swimming pools. Is there anybody here who has seen it used in Thailand or used it themselves?
I want a smooth swimming pool finish. In South Africa I have seen many Gunnite pools and that is the finish I want, but as far as I know it is not available or do-able in Thailand.
My architect had already suggested we use terrazzo, but the stuff I have seen in Thailand does not impress me. It looks too much like concrete with shiny bits added. I am trying to achieve as white a swimming pool as possible without using tiles if I can.
I don't think it's off topic at all, in fact it directly addressed your questions, and here is another tip that is totally on topic: If it turns out that you must use tiles, you could consider the perfectly flat, smooth-as-glass, 60 x 60 Granito® slabs. They are butt laid without any grout. or just a minimum of 0.5mm. You will need to hunt around to get a colour that isa near white as possible, or maybe for the quantity you need, Granito might consider a special order. Cost? Around 450 - 650 baht per m2 for genuine Granito® brand.
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Re: terrazzo swimming pools

Postby fredlk » Fri Mar 12, 2010 9:24 am

jazzman wrote: ... you could consider the perfectly flat, smooth-as-glass, 60 x 60 Granito® slabs. They are butt laid without any grout.

Thanks for the tip, but aren't they somewhat porous?
60 x 60 might also be a little cumbersome when doing a pool with all it's edges, an infinity-edge and waterfall, but I'll keep it in mind.
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Re: terrazzo swimming pools

Postby rosegate » Fri Mar 12, 2010 9:33 am

<flame removed, remember there is a no flaming policy, Dozer 3/12>
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