SA-CA-027 · Design Profile
Minimalist Cube Sauna
- Minimalist
- 3–4 people
- Electric
- Thermowood
- ≈6–8 kW electric heater class
- Reductive, near-frameless cube
- Minimal glazing, low heat loss
- 7 × 7 ft footprint
SA-CA-028 Design Profile Cube
Two-Person Cube Sauna
A small, precise cube for one or two, bringing the modern flat-roof aesthetic down to a compact city footprint. A cedar skin and a single glazed panel keep it warm-toned and efficient.
- Capacity1–2
- HeatingElectric
- Heater class4.5–6 kW (electric)
- ClimateCold, Moderate
Recommended use
Small urban gardens and courtyards wanting the cube look at a two-person scale.
Best suited for: Couples and solo bathers · Small urban gardens · Intermediate builders wanting a modern form
Specification overview
| Sauna type | Cube |
|---|---|
| Style | Modern |
| Setting | Urban Garden |
| Capacity | 1–2 people (1–2 people) |
| Approx. footprint | 5.5 × 5.5 ft (~30 sq ft) |
| Approx. internal volume | 170 ft³ (~4.81 m³) |
| Ceiling-height range | 6.8–7 ft |
| Glazing level | Moderate |
| Insulation class | Cold Climate Insulated |
| Foundation options | Ground Screws, Concrete Piers |
| Roof type | Flat |
| Heating options | Electric |
| Approx. heater class | 4.5–6 kW (electric) |
| Stone-capacity preference | Low |
| Ventilation principle | Compact balanced inlet and outlet sized for a small cube |
| Build difficulty | Intermediate |
| Maintenance level | Low |
All values are approximate reference ranges for planning and comparison.
Design characteristics
- Small cube with a flat roof and one glazed panel beside the door
- L-bench for one reclined or two seated bathers
- Cedar skin for a warmer take on the modern cube
- Concealed roof drainage for a clean line
Construction notes
- Warm flat roof with tapered insulation and membrane
- Full cavity insulation and taped vapour barrier
- Cedar rainscreen over a ventilated cavity
- Screw or pier base with a sealed drained floor
Heating profile
- A 4.5–6 kW electric heater suits the small cube
- Low stone capacity fits the compact volume
- Quick warm-up for frequent short use
- Basic timer control is sufficient
Final heater selection must follow the heater manufacturer's sizing instructions, safety clearances and local electrical or fire-code requirements.
Advantages
- Modern cube look at a small, affordable scale
- Quick warm-up and low heater demand
- Warm-toned cedar skin
- Fits tight city plots
Limitations
- Strictly one to two people
- Flat roof still needs careful detailing
- Requires a dedicated circuit
- Moderate glazing only
Common planning mistakes
- Under-detailing the small flat roof
- Oversizing the heater for the compact cube
- Placing the glazed panel where it is overlooked
- Skipping the rainscreen cavity
The cube form at its smallest — useful for seeing how the modern flat-roof look scales down for a couple. Figures are reference ranges for planning.
Frequently asked questions
How many people does the Two-Person Cube Sauna seat?
One to two, on an L-bench.
Is it the same as the black cube?
No — it is smaller, cedar-clad and warmer toned, aimed at a two-person city-garden scale.
What heater class does it need?
About 4.5–6 kW electric; confirm sizing with the manufacturer and code.
Does it have a flat roof?
Yes, a warm flat roof with concealed drainage.
Is it hard to build?
It is an intermediate build, simpler than the larger glazed cubes.
This catalogue profile is intended for preliminary planning and comparison. Final dimensions, structural design, heater selection, electrical work and safety clearances must be confirmed by qualified professionals and the relevant manufacturer documentation.
Added to the catalogue on . Catalogue Editorial Team at Outdoor Sauna Index.
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