Steam & Oak Eero 367 Sauna Cabin — 4–6 Person 70 mm Log with Changing Room

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The Eero 367 is the deeper of our two-room cabins — 3.67 m long and built throughout in solid 70 mm log, with a changing room, a sauna room and an insulated sauna roof. Pitched or flat roof, your choice above. Solid 70 mm log, and it matters here Most garden saunas are 42 mm panel. This is 70 mm solid log — the thickest wall we sell — and the difference is thermal mass. The walls store heat rather than merely containing it, so the temperature holds steady instead of dropping every time the heater cycles or the door opens. Combined with the insulated roof element over the sauna section (12 mm boards, 50 mm ISOVER, 12 mm boards), this is the best-insulated cabin in the range. Heat rises, and an uninsulated roof is where it goes — most cabins at this size have boards and nothing more. Two rooms An outer door into the changing room, then a bronze glass door into the sauna. The changing side stays cool, so the hot room stays hot when four to six people are using it in rounds. Two 60 × 60 cm double-glazed windows. Specification Capacity 4–6 people External size 2240 × 3670 mm (8.22 m²) Layout Changing room and sauna room Heated volume approx. 10.1 m³ Walls 70 mm solid log Wall height 2210 mm pitched / 2400 mm flat Ridge height 2530 mm pitched / 2600 mm flat Roof boards 19 mm, with an insulated element over the sauna Floor 26 mm boards Outer door 800 × 2010 mm Sauna door 700 × 1900 mm bronze glass Windows 2 × 600 × 600 mm, double glazed Roof covering Not included — ask us and we will quote shingles What's in the box Everything structural, including the parts most suppliers charge extra for: Pre-cut, numbered log walls Sauna benches Outer door and bronze glass sauna door Double-glazed windows Insulated roof element over the sauna section 26 mm floor boards and 19 mm roof boards Foundation beams Complete fixing kit Ventilation grids Step-by-step assembly instructions One thing that is not included: the roof covering. The manufacturer supplies the roof boards and the insulated sauna element, but shingles or felt are a separate item. Tell us when you order and we will quote it with the build rather than leave you to find it. Run it on gas — no electrician, no cable across the garden This is the option almost nobody else offers, and for a lot of gardens it is the one that makes a sauna possible at all. A FinSteam gas heater runs on a standard propane bottle — the same sort you would use for a patio heater or a barbecue. No armoured cable, no trench across the lawn, no electrician quote you had not budgeted for. At around 10.1 m³ the 8.1 kW gas heater is a comfortable fit — and the 70 mm walls plus the insulated roof mean it holds what it makes. Pick a gas option above and we fit the flue and commission the heater on installation day. You do not need to arrange anything with anyone. Which gas option? Botnia 81 Our standard 8.1 kW gas heater. Everything you need to run the sauna. Aurora 81 The premium version of the same 8.1 kW heater — better finish and detailing. And then: safety pack, or without? With safety packrecommended if children or guests use it Adds the Njord heat shield and the Halo guard rail. The heat shield cuts the required clearance to combustible timber from 200 mm to 50 mm. The guard rail stops anyone brushing against the hot stones. Without safety pack Heater and stone cage only. Suits an install where clearance is generous and the sauna is for your own use. Every gas option includes the heater, the Orbis stone cage, and our fitting and commissioning. See the full gas heater range → Or choose electric or wood-fired above Electric — a Harvia heater with a full stone load for soft, steady löyly, integrated controls and a 2-year warranty. At 10.1 m³ take the 8 kW. Needs a dedicated circuit installed by a qualified electrician; budget £400–£1,200 for a garden supply on top of the heater. Wood-fired — a Harvia M-series stove. No electrics at all, a real fire, and the traditional way to run a cabin like this. We fit the flue o

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