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Sauna, steam room, hammam, cold plunge and pool notes: sizing, materials, ventilation and specification.

Sauna Dekor Spa Solutions — since 1987, designing and building saunas, hammams, steam rooms, cold rooms and pools in its own facility in Istanbul; 5,000+ projects in 41+ countries.

Alican Aykaç

Written by Alican Aykaç, Managing Partner · 172 articles · Last updated: 12 November 2026

172 articles

Newest first. Pick a room type to narrow the list.

Sauna ventilation diagram: cutaway of a cabin with the low air inlet beside the heater and the high extract vent diagonally oppositeSauna
16 min read

Sauna Ventilation: Where the Air Has to Go

Sauna ventilation done right: air in low beside the heater, out high diagonally opposite, 6-8 air changes an hour, ducted outside. Sizing and Gulf…

Red light therapy clinic treatment room with a full-body LED panel array facing a marked treatment positionSpa planning
11 min read

Red Light Therapy Room Installation in Dubai

Wavelength, irradiance and dose in J/cm2 separate a real red light therapy clinic from a panel on a wall, plus the electrical and cooling loads.

Infrared sauna cabin and red light therapy panels in a home wellness room with a loungerSauna
14 min read

How Much Does an Infrared Sauna Cost?

What decides infrared sauna cost: heaters, timber, cabin size, spectrum, controls and installation, plus the extras a cabin-only price leaves out.

Square whirlpool pool framed by backlit timber screens in a Doha club spaSpa planning
11 min read

What is a thermal bath?

A thermal bath is warm mineral or heated water used for bathing. How natural hot springs differ from built thermal pools, and what a hotel spa plans…

Home spa with a glazed sauna, a salt-lit stone wall, a skylight and a round plunge tubSauna
8 min read

Choosing the Right Sauna Room for You

Choosing the right sauna room can transform any wellness space into a powerful environment for relaxation, recovery, and long-term well-being.

Residence spa corridor with a dark glass sauna facing a backlit steam roomSauna
13 min read

Steam Sauna Supplier

What a steam sauna is, how it differs from a steam room and a traditional sauna, home and indoor types, and what to check before appointing a…

Glass-fronted home sauna with LED-lit tiered benches and a wall-mounted heaterSauna
11 min read

Benefits of Installing a Home Sauna

Home sauna benefits and what the evidence supports, room sizing and heater output, materials and ventilation, and what a home installation involves.

Basement wellness floor render with a tiled hammam alcove, glazed sauna, treatment pod and reflecting poolSpa planning
11 min read

Innovative Trends in Spa Development Today

Spa development today: how architecture, eco-friendly construction, interior design and new technology changed what a hotel spa is built to do.

Indoor pool with marble walls, round columns, a slatted ceiling and a row of loungersSpa planning
8 min read

Spa Fit Out in Dubai and Abu Dhabi

Spa fit out in Dubai and Abu Dhabi: thermal and wet area scope, the MEP interface, tanking and commissioning, from one sauna to a full thermal suite.

Glass-fronted sauna cabin with LED-lit benches installed in a tiled spa roomSauna
8 min read

Building a Sauna in Your Home

Building a sauna in your home can transform your space into a personal wellness retreat. Imagine stepping into a warm, inviting sauna after a long…

Man in a felt hat reclining on a sauna bench in the steamSauna
10 min read

Using a Sauna When You Are Unwell

Benefits of sauna when sick: what heat actually does, when a 10 to 15 minute session is comfortable, when to stay out, and why it is not a treatment.

Illustration comparing electric, wood-burning and infrared sauna heatersSauna
8 min read

Types of sauna heaters

Types of sauna heater compared: wood-burning, electric, infrared and hybrid. How each behaves, how they are sized, and where each one belongs.

Infrared Sauna MaintenanceSauna
5 min read

Infrared Sauna Maintenance & Lifespan

Infrared sauna maintenance after each session, weekly, monthly and yearly, plus the 50,000–70,000 operating hours (12–20 years) commercial emitters…

Amber-lit sauna with tiered timber benches, curved backrests and stone-clad wallsSauna
5 min read

Infrared Sauna Design Ideas 2026

Infrared sauna design ideas for a home or spa: cabin layouts, bench arrangements, wood and glass choices, lighting, and where the room fits.

Outdoor barrel sauna in dark stained wood with glass front, shingled roof, benches and stone heaterSauna
6 min read

Sauna Designs for Luxury Homes: 2026 Guide

Home sauna design, room by room: ayous, aspen and alder benches on hidden frames, large glass fronts and LED strip lighting. Manufacturing since 1987.

How to Maintain a Sauna in 2025?Sauna
4 min read

How to Maintain a Sauna in 2025?

How to maintain a sauna: wipe the benches dry after each use, leave the door open 30 minutes, and set aside 15-20 minutes for a weekly clean.

Thermal spa designSpa planning
5 min read

What Is Thermal Spa Design in 2025?

Thermal spa design explained: master planning, the 32–42 °C water temperature band, MEP and filtration engineering, materials, and indoor against…

Steam room corner with spiral-patterned grey tiles, dark stone bench and a porthole windowSpa planning
6 min read

What Does a Spa Designer Do? A 2026 Guide

What a spa designer does, how the role differs from a spa consultant and a contractor, and what to expect from a spa design package.

How to make a Sauna?Sauna
14 min read

How To Make A Sauna?

How to make a sauna: the stages of sauna manufacturing, the factors that decide the build, the materials used, and what drives sauna building cost.

Blue-lit mosaic steam room with contoured benches curving under a low domed ceilingSteam & showers
5 min read

Who Should Not Use the Steam Room?

Who should not use a steam room: children under 13, people over 65 and certain medical conditions. Above 50 °C, stay in no more than 15 minutes.

Acrylic hot tub with an open lid on a stone patio beside a rock-edged swimming poolPools & water
4 min read

What Is a Hot Tub Used for?

What is a hot tub used for? Water at 37-40 °C, how long a session should last, and how a hot tub sits alongside a sauna and steam room at home.

Vacuum head and hose being drawn across the floor of a sunlit swimming poolPools & water
5 min read

How to Maintain the Pool?

How to maintain the pool: skimming, weekly vacuuming, filtration, chemical balance, brushing and water testing, and when to call a pool service.

Turquoise tiled swimming pool in a tropical garden with a rock waterfall featurePools & water
3 min read

Are Salt Water Pools Unhealthy?

Blog - Are Salt Water Pools Unhealthy? , The question of " are salt water pools unhealthy " has been coming up frequently lately.

Therapist performing a facial treatment on a woman lying on a massage tableSpa planning
4 min read

Why Do Ladies Need to Go to A Day Spa?

Why do ladies go to a day spa: what a day spa is, what happens in a 60 to 90 minute session, and what the rooms are for. Manufacturing since 1987.

Round built-in jacuzzi tub with bubbling water, a headrest and a chrome mixer tapPools & water
3 min read

How Much Water Does the Jacuzzi Use?

How Much Water Does the Jacuzzi Use? Discover essential insights and answers to the question, How much water does a jacuzzi use? in our detailed…

Get Better Water Circulation in Pool?Pools & water
3 min read

Get Better Water Circulation in Pool?

Better water circulation in a pool: dead spots, return jet angles, running the pump 8 to 12 hours a day, and how to check turnover on a real pool.

Compact sauna interior with a backrest, folded towel and a wall-mounted electric heaterSauna
5 min read

How Long Should You Stay in the Sauna?

How long should you stay in a sauna? Finnish 8-15 minutes, infrared 20-30, steam 10-15, how many rounds to take, and when to cut a session short.

Couples treatment room with two massage tables dressed with towels, candles and rose petalsSpa planning
4 min read

How to Open a Spa Center? 2025

How to open a spa center? The costs, licensing requirements, design decisions and build steps behind a wellness facility that actually opens on time.

What is Hydromassage? What is a Hot Tub?Pools & water
4 min read

What is Hydromassage?

What is hydromassage?, which is generally used in spa centers and which we see in modern bathtubs?

Short answers

Questions we are asked most, answered in the guides

Each answer is the opening of the guide it links to.

How small can a two-person sauna be?

A two-person sauna starts from 1 straight bench about 1,200 mm long, 600 mm per seated person on Harvia’s guidance, with the upper bench 1,100 to 1,200 mm below a ceiling of 2,100 to 2,300 mm.

Read: Two-Person Sauna: The Smallest Cabin That Still Works

What is a sauna door made of, and which way does it open?

A sauna door is a factory-made kit: 8 mm tempered glass in a timber frame, hung to open outward, with no lock, in standard openings 700–900 mm wide and 1,900–2,100 mm high.

Read: Sauna Door and Sauna Glass Door: Glass, Size and Swing

Which numbers decide the wood for a sauna?

Sauna wood is settled by 3 numbers before anything else is drawn. The first is thermal conductivity, which has to sit between 0.09 and 0.13 W/mK so that a bench at 90 °C can be sat on.

Read: Sauna Wood: Which Species Survive 90 C and Why

What does a steam room vapor barrier do, and where does it fail?

A steam room vapor barrier is the continuous low-permeance layer that sits on the warm side of the enclosure — behind the tile bed, in front of the insulation — and its only job is to stop water vapor diffusing into the construction where it will condense. It almost never fails in the middle of a sheet. It fails at 6 crossings: fittings, light penetrations, the steam inlet, the extract duct, the door frame and the floor junction.

Read: Steam Room Vapor Barrier: The 6 Places Continuity Breaks

How is a cold plunge chiller sized?

A cold plunge chiller for a hotel or gym is sized by heat load, not by litres. A 3,000-litre plunge held at 8 °C with 20 users an hour carries about 6.5 kW of load, and in a hot Gulf plant room that points to a unit delivering around 8.2 kW at its real air temperature, usually a nominal 9 to 10 kW chiller.

Read: Cold Plunge Chiller Sizing: kW, Heat Load and Plant Room

What sets the dimensions of a lap pool?

A lap pool is a long, straight pool built for swimming lengths, and its dimensions come from three decisions: length, lane width and depth. World Aquatics sets 25 m or 50 m for competition pools, lanes at least 2.5 m wide and 1.35 m of depth from 1.0 m to 6.0 m off the wall where there are starting blocks.

Read: Lap Pool Dimensions: Length, Lane Width and Depth

Sauna Dekor writing published elsewhere

Besides the articles above, the Sauna Dekor Spa Solutions team in Istanbul publishes specification and project-delivery notes on two other platforms. Sauna Dekor was founded in 1987 and is now in its 40th year.

Sauna Dekor Spa Solutions on Substack

Longer notes on thermal suite specification, plant and heat load sizing, tender documentation and site delivery.

Sauna Dekor Spa Solutions on Blogger

Notes on who manufactures individual thermal rooms — sauna, snow room, salt room, float tank, ice fountain, experience shower — and what has to be decided before each one is ordered.

Quoting one of these articles? The press kit gives the company facts and the contact for press questions.

Terms used in these articles, from aufguss to balance tank, are defined in our spa and sauna glossary.

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Sauna Dekor Spa Solutions

Sauna Dekor Spa Solutions was established in 1987. In order to spread the use of Spa & Wellness, it introduced its products in many international fairs and followed the innovations abroad and examined the Spa & Wellness culture on-site, and made perfect applications with quality materials and correct manufacturing techniques.

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