SaunaCraft
The Journal
Choosing the Right Heater Size for Your Home Sauna
An undersized heater never quite gets the room hot; an oversized one runs rough and wastes power. Here's how sauna heater sizing charts actually work, and what glass walls and doors do to the math.
How Many Bathers? Planning Bench Space in a Home Sauna
A room that looks spacious empty can feel cramped with four people seated shoulder to shoulder. Here's how much bench length a bather actually needs, seated or lounging, and how a two-tier layout changes the math.
Cedar, Aspen, or Thermally Modified Wood: Choosing Sauna Cladding
Sauna interiors get hot, humid, and occasionally splashed with water — not every wood handles that well. A practical comparison of cedar, aspen, hemlock, and thermally modified wood, what to actively avoid, and how to estimate how much you'll need.
What Is Löyly? The Ritual of Steam in Finnish Sauna Culture
Löyly is more than just steam — it's a word Finns use for the entire feel of the heat in a sauna, and throwing it is a small, deliberate ritual with its own tools and etiquette. Here's what the word really means.
The Traditional Sauna Session: Rounds, Heat, and Cold Plunge
A sauna session isn't usually one long sit — it's built in rounds, alternating real heat with a real cool-down. Here's how the traditional round structure works, and why the contrast is the point.
Is a Home Sauna Worth It? Weighing the Build Cost Against Spa Visits
A home sauna can cost anywhere from a few thousand dollars for a pre-fab kit to well over fifteen thousand for a full custom build. Here's how to think through whether it actually pencils out against what you're spending now.
Four Steam-Bathing Traditions: Finnish Sauna, Turkish Hammam, Russian Banya, and Korean Jjimjilbang
Heat and steam as a bathing ritual shows up across an unusually wide range of cultures, each with its own architecture, tools, and etiquette. A tour of four distinct traditions and what sets each apart.
Room Volume, Not Square Footage: The Real Math of Sauna Heater Sizing
Two rooms with the identical footprint can need two completely different heaters, and a single glass wall can push a room into a whole new bracket. A side-by-side, worked-numbers look at what actually drives sauna heater sizing.
Bench Height, Depth, and the Heat Gradient: Where to Put the Wood
A sauna's heat isn't uniform floor to ceiling, and that's a design opportunity, not a flaw. How the classic two-tier bench turns a single room's heat gradient into a genuine choice of intensity — worked through with real numbers.
How Much Cladding Does Your Sauna Actually Need? A Board-Feet Walkthrough
Board feet is the standard unit sauna cladding gets priced in, and it's determined entirely by surface area, thickness, and waste allowance — not guesswork. A step-by-step walkthrough with real numbers for a real room.
What a Ladle of Water Really Does: Löyly, Felt Heat, and Humidity
A single kauha of water thrown on hot stones flashes into far more steam than it looks like it should. Here's the actual physics behind löyly, worked through with real numbers for rooms of different sizes.
How Long Should You Stay In? Session Length as Comfort, Not Endurance
There's no safe-exposure number a timer can hand you — session length is a comfort guideline, not a prescription, and the real rule is simpler than any schedule: get out when you feel like it. What that means in practice.