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40 โพ๐ Tips for Swimming Pool and Sauna Construction
Concrete shell installation and geology
The first and most critical stage of pool construction is the soil analysis. Ignoring soil specifics can cause the concrete shell to crack or settle. Construction requires the highest grade of hydraulic concrete reinforced with a specialized rebar mesh to help the structure withstand immense water pressure.
Two-component waterproofing
Proper waterproofing guarantees smooth, long-term pool operation. After pouring the concrete shell, the surface is treated with flexible, cement-based elastic coatings. These sealants stop water from leaking out while simultaneously protecting the pool from underground water seeping in.
Filtration systems (skimmer vs. overflow)
The water circulation type must be selected during the pool design phase. In skimmer pools, the water level sits lower than the deck, and filtration runs through special wall openings (skimmers). In overflow pools, the water is flush with the deck, spilling into perimeter channels to create a panoramic infinity effect, which requires a more complex and expensive engineering setup.
Wood selection for saunas
Thermal resistance of materials is paramount when building a Finnish sauna or a Turkish hammam. Using pine or spruce for the interior cladding is strictly prohibited, as they release sticky resin (sap) at high temperatures. Linden, alder, or African abachi wood are ideal choices, as they do not overheat, won't burn the skin, and maintain a pleasant natural aroma.
Ventilation and climate control
Mechanical ventilation is frequently overlooked during the construction of indoor pools and saunas. A properly engineered airflow system is essential to supply a constant stream of oxygen into the sauna, and to prevent high humidity, condensation, and mold formation in indoor pool enclosures.
Build your own relaxation oasis
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Frequently Asked Questions - Construction of swimming pools and saunas
A sauna heater is selected based on the room's total volume in cubic meters (on average, 1 kW of power is required per 1 mยณ). There are two main types: Electric Heater: Compact, easy to manage with a remote control, regulates temperature precisely, and is ideal for apartments or hotels. Wood-Burning Stove: Creates an authentic, traditional bathhouse atmosphere with the scent of burning wood, but requires setting up a proper chimney system.
Concrete Pool: The most durable and permanent option. It allows you to implement any shape, depth, and finish design (mosaics, tiles), though construction takes anywhere from 1 to 3 months. Fiberglass & Polypropylene: These are pre-manufactured, factory-made shells dropped into a pre-dug pit. Their installation is very fast (a matter of days) and budget-friendly, though you are limited in terms of shapes and sizes.
Water Heating System: (A heat exchanger or heat pump) which extends the swimming season by several months. Automated Disinfection: For chlorine-free purification (ozonators, UV lamps, or salt water chlorination/electrolysis). Underwater LED Lighting & Counter-Current System: An adjustable swim jet system that allows for continuous, long-distance swimming even in a small pool.