ᐅ Pool Construction – Recommendations and Suggestions for the Early Planning Stage
Created on: 21 Aug 2020 08:24
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Seven1984
Hello everyone,
We are planning to build a nice pool in our garden.
Approximate size: 9 × 5 × 1.5 m (30 × 16 × 5 ft).
(By the way, please ignore the current construction status; this is an existing property where we are currently building a new structure…)
We want a good price/performance ratio and plan to do the work ourselves.
We have a master roofer who can install the liner and a master mason for the foundation slab and walls.
We are considering a polystyrene construction system. Are there significant differences between the manufacturers?
In theory, a full concrete pool could also be possible since it’s directly accessible from the street… Which option would be more practical?
The installation situation is that we are building on a slope and will pour a retaining wall.
The initial idea is to build the pool behind this wall. I have roughly marked the position in red.
The pool should ideally be integrated with the terrace, which you can see under the liner in the pictures.
It would be really great if we could realize some kind of infinity pool solution.
Do you have any ideas or suggestions?
Thanks and best regards,
Sven
We are planning to build a nice pool in our garden.
Approximate size: 9 × 5 × 1.5 m (30 × 16 × 5 ft).
(By the way, please ignore the current construction status; this is an existing property where we are currently building a new structure…)
We want a good price/performance ratio and plan to do the work ourselves.
We have a master roofer who can install the liner and a master mason for the foundation slab and walls.
We are considering a polystyrene construction system. Are there significant differences between the manufacturers?
In theory, a full concrete pool could also be possible since it’s directly accessible from the street… Which option would be more practical?
The installation situation is that we are building on a slope and will pour a retaining wall.
The initial idea is to build the pool behind this wall. I have roughly marked the position in red.
The pool should ideally be integrated with the terrace, which you can see under the liner in the pictures.
It would be really great if we could realize some kind of infinity pool solution.
Do you have any ideas or suggestions?
Thanks and best regards,
Sven
G
Grolsch3022 Aug 2020 16:33We also considered building a pool, but we will most likely opt for a swim spa.
A swim spa has different uses and requirements. The higher the water temperature, the more advanced the technology should be. Cartridge filters require a lot of maintenance. It is better to use a large sand filter system along with automatic measurement and dosing of pH and sanitizers (chlorine, bromine, ozone, saltwater electrolysis...).
Insulation and covers should also be of high quality, as otherwise, energy loss can be extreme.
With 1.16 kW, you can heat 1 m³ (35 cubic feet) of water by 1 degree. During the night, it is common to lose 2–3 degrees. Let’s consider a 70 m³ (2,470 cubic feet) pool. That means 140–210 kW are needed just to compensate for heat loss overnight...
If space allows, solar collectors can be an economical option. Otherwise, a heat pump or connection to the house’s central heating system can be used.
Insulation and covers should also be of high quality, as otherwise, energy loss can be extreme.
With 1.16 kW, you can heat 1 m³ (35 cubic feet) of water by 1 degree. During the night, it is common to lose 2–3 degrees. Let’s consider a 70 m³ (2,470 cubic feet) pool. That means 140–210 kW are needed just to compensate for heat loss overnight...
If space allows, solar collectors can be an economical option. Otherwise, a heat pump or connection to the house’s central heating system can be used.
@Mycraft,
I live in an area full of pools and am surrounded by them. From my 20 years of experience in this environment, pools are mainly used extensively only when there are several children in the household. Adults rarely use the pool, except for one person who uses it regularly, but he also frequents nudist beaches. The sea is about 1 meter (0.6 miles) from my house.
There are many reasons why pools are not used more often. People don’t feel like swimming every day, there are other tasks inside and around the house, shift work, visitors, and so on. It’s like boats here. They rarely see water, even though the boat ramp is just around the corner. Usually, no one in the family wants to participate, plus there are the costs.
We have a swim spa, Oasis Platinum 4.4 x 2.25 meters (14.4 x 7.4 feet), and I use it five times a week. We have a heat pump and solar panels; otherwise, the electricity costs would be quite high. In winter, I keep it at 36°C (97°F). Winter here means no less than 5°C (41°F) at night and 15°C (59°F) during the day. It’s really something for adults.
Safety regarding pools and spas is taken very seriously here. Even though our spa is 1.3 meters (4.3 feet) high and has heavy covers that I can’t lift, it still has to be fenced off, 80 centimeters (31 inches) from the neighbor’s fence (which is 1.8 meters (6 feet) high and opaque), and many other regulations.
Oh, and our beach is pretty empty. Part of it is a dog beach, which is well visited.

I live in an area full of pools and am surrounded by them. From my 20 years of experience in this environment, pools are mainly used extensively only when there are several children in the household. Adults rarely use the pool, except for one person who uses it regularly, but he also frequents nudist beaches. The sea is about 1 meter (0.6 miles) from my house.
There are many reasons why pools are not used more often. People don’t feel like swimming every day, there are other tasks inside and around the house, shift work, visitors, and so on. It’s like boats here. They rarely see water, even though the boat ramp is just around the corner. Usually, no one in the family wants to participate, plus there are the costs.
We have a swim spa, Oasis Platinum 4.4 x 2.25 meters (14.4 x 7.4 feet), and I use it five times a week. We have a heat pump and solar panels; otherwise, the electricity costs would be quite high. In winter, I keep it at 36°C (97°F). Winter here means no less than 5°C (41°F) at night and 15°C (59°F) during the day. It’s really something for adults.
Safety regarding pools and spas is taken very seriously here. Even though our spa is 1.3 meters (4.3 feet) high and has heavy covers that I can’t lift, it still has to be fenced off, 80 centimeters (31 inches) from the neighbor’s fence (which is 1.8 meters (6 feet) high and opaque), and many other regulations.
Oh, and our beach is pretty empty. Part of it is a dog beach, which is well visited.
rick2018 schrieb:
Better to have a large sand filter system and automatic measurement and dosing of pH and sanitation chemicals (chlorine, bromine, ozone, saltwater electrolysis…nobody does that hereOh cool, I just checked those out, that could be something for me too. We bought a house with an existing pool. It’s nice, especially since we want to have children and it’s obviously great for them. I barely used the pool for swimming or splashing around last year; I mostly just floated on an air mattress. A hot tub attached definitely has its appeal. We just aren’t too fond of the plastic look.
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Seven198422 Aug 2020 19:03Hello everyone,
Wow, after a day on the construction site, there was a lot of progress here, which is great.
@superzapp: Of course, it will be fully fenced later. This will be my main terrace facing south.
@TomTom: I’m not sure whether I’m better off using polystyrene insulation or insulated concrete forms and insulating separately, which is why I asked here.
@rick2018: LAN and Wi-Fi in the technical duct is a great idea. I probably wouldn’t have thought of that.
I have a 20 kWp photovoltaic system that should save considerable costs during the main operating months.
For heating, I’m considering an air-source heat pump.
Regarding pool technology, I received a recommendation for a salt electrolysis system.
Do you have a cost estimate for your pool (PS: impressive project, really great!) and a parts list showing what is needed?
How did you roughly arrive at your $35k estimate? I had hoped to manage around $20k but haven’t done a serious calculation yet. I’m looking for a reasonable price-performance ratio—if that’s even applicable for a private pool. For example, I could live with a 4-meter (13 feet) width if the cover system were significantly cheaper, etc.… I’m not completely fixed on all the details yet.
@swimspa: we actively decided against it. We don’t like the look, and I want to have different temperatures for whirlpool and swimming (significantly different).
Wow, after a day on the construction site, there was a lot of progress here, which is great.
@superzapp: Of course, it will be fully fenced later. This will be my main terrace facing south.
@TomTom: I’m not sure whether I’m better off using polystyrene insulation or insulated concrete forms and insulating separately, which is why I asked here.
@rick2018: LAN and Wi-Fi in the technical duct is a great idea. I probably wouldn’t have thought of that.
I have a 20 kWp photovoltaic system that should save considerable costs during the main operating months.
For heating, I’m considering an air-source heat pump.
Regarding pool technology, I received a recommendation for a salt electrolysis system.
Do you have a cost estimate for your pool (PS: impressive project, really great!) and a parts list showing what is needed?
How did you roughly arrive at your $35k estimate? I had hoped to manage around $20k but haven’t done a serious calculation yet. I’m looking for a reasonable price-performance ratio—if that’s even applicable for a private pool. For example, I could live with a 4-meter (13 feet) width if the cover system were significantly cheaper, etc.… I’m not completely fixed on all the details yet.
@swimspa: we actively decided against it. We don’t like the look, and I want to have different temperatures for whirlpool and swimming (significantly different).
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