
The oval barrel sauna combines the aerodynamic stability of a classic round design with the maximum usable volume thanks to its oval shape. The Ovale Fasssauna 6.0 x 2.6 m model from Thermowood Production is designed for those seeking a fully functional two-room sauna with a steam room, relaxation room, and optional bathroom—all in a portable format, eliminating the need for a major construction project.
By ordering directly from a full-cycle manufacturer, you receive:
This review provides a detailed analysis of materials, planning, safety, cost and operating conditions, based on actual plant specifications.
|
Parameter |
Meaning |
|
Dimensions (L×W×H) |
6,000 × 2,600 × ~2,400 mm |
|
Usable area |
Steam room: 2.2 x 2.2 m |
|
Total volume |
~35 m³ |
|
Weight of the structure |
~2,200 kg |
|
Type of construction |
Oval barrel sauna (frame-panel, factory-ready) |
|
Main material |
Thermally modified pine timber, 65 mm thick, thermally modified at 215°C |
|
Exterior finishing |
Tikkurila TVT5055 paint (brown), bituminous shingles. |
|
Interior trim (optional) |
Alder/linden lining, shelves made of thermal timber. |
|
Again |
Brown asphalt shingles with underlay |
|
Door |
1× sauna (Tesli RS 1900×700), 1× wooden entrance with lock |
|
Windows |
Metal-plastic 1200×1000 mm (rest room), option: panoramic 100% D-1m |
|
Base price |
Conditional on the website → exact in the commercial proposal |
The wood is processed at 215°C in an oxygen-free environment. This results in:
|
Breed |
Price |
Advantages |
Flaws |
Expert's verdict |
|
Scots pine |
* |
Inexpensive, accessible |
Secretes resin, prone to rot, fungus |
Not recommended for outdoor saunas |
|
Alder |
** |
Good view, less resin |
Deformation due to humidity, cracks |
Average option, needs care |
|
Ale |
* |
Light, less resin |
Soft, susceptible to damage and fungus |
Not for outdoor use |
|
Thermowood 215°C |
*** |
Zero shrinkage, aesthetics, rot resistance. |
Highest starting price |
✅ The optimal choice for a long-lasting sauna |
💡 Expert note : Most manufacturers skimp on underlayment under the shingles, which leads to leaks within 2-3 years. Thermowood Production uses underlayment without fail.

|
Element |
Technical solution |
Expert commentary |
|
Steam room 2.2 x 2.2 m |
Optimal volume for 4-6 people, effective heating |
Compact, but enough for a family or group of friends |
|
Recreation room 2×2.68 m |
Space for benches, a table, hangers, and the possibility of placing a mini-bathroom. |
The key advantage of the oval: a separate area for relaxation after the steam room |
|
Oval shape |
Aerodynamic stability + maximum useful volume |
Reduces wind load by 30% compared to rectangular modules |
|
Panoramic window (optional) |
Sphere 500 mm, tempered glass 8 mm, 100% D-1m circle. |
Visually expands the space, creating the effect of a "sauna in nature" |
|
Electricity (optional) |
Wiring, double switch, lights in the steam room, 220V socket |
Low voltage system, waterproof housings, safe connection |
|
Ventilation |
Air valves for ventilation |
Prevents moisture stagnation, extends the service life of wood. |
💡 Engineering note : The oval shape is not only aesthetically pleasing – it ensures even heat distribution throughout the entire volume, allowing you to heat up the sauna in 30 minutes with a small amount of firewood.

|
Component |
Purpose |
Conformity standard |
|
Harvia SL 20 stove (optional) |
Firebox from the outside → safety, no trash in the steam room |
Certified for saunas, power 20 kW |
|
Stainless steel pipes + spark arrestors |
Spark protection, long-lasting chimney |
AISI 304, corrosion resistance |
|
Metal overlays + drip cap |
Protecting wood from condensation and high temperatures |
Prevents rotting in the chimney area |
|
LED electricity (optional) |
Waterproof lamps, correct wire cross-section |
IP44+ for steam rooms, compliant with DSTU and European standards |
|
Lock on the front door |
Property safety when placed in an open area |
Reliable fixation, resistant to moisture |
🛡️ Important : The base price on the website is approximate. The exact price is calculated individually after agreeing on the options: stove, panoramic window, electricity, interior paneling.

|
Additional option |
Price (approximate) |
Notes |
|
Basic configuration of Ovale 6.0×2.6 m |
Conditional on the site |
Includes frame, 65mm thermal timber, roof, door, and basic window |
|
Harvia SL 20 wood-burning stove (outdoor firebox) |
+40 219 UAH |
Recommended power for a steam room volume of ~10–12 m³ |
|
Stainless steel pipes + linings + drip cap |
+5 106 UAH |
Required for safe operation |
|
Panoramic window sphere 500 mm (2 pcs.) |
+27 600 UAH |
"Sauna in nature" effect, 8 mm tempered glass |
|
Electricity (wiring, switches, lights, sockets) |
+6 100 UAH |
Waterproof, ready to connect |
|
Interior paneling: alder lining |
+17 800 UAH |
Aesthetics + an additional layer of thermal insulation |
|
400×400 window in the steam room (opens) |
+4 560 UAH |
For ventilation and temperature control |
|
Internal oil treatment at Supi Saunasuoja |
+6 840 UAH |
Moisture and mold resistant, hypoallergenic |
|
Towel hanger (small, 2 pcs.) |
+1 244 UAH |
A convenient accessory for organizing space |
|
Greus cedar thermo-hygrometer |
+990 UAH |
Temperature and humidity control in the steam room |
|
Headrest (1 pc.) |
+322 UAH |
Comfort during procedures |
📌 Final formula :
Base + Selected options + Delivery + Installation (10%) = Final turnkey price
. All prices are fixed, no hidden fees. The manufacturer provides detailed specifications upon signing the contract.

|
Category |
✅ ADVANTAGE |
📝 Details |
⚠️ NUANCE |
🛠️ Expert solution |
|
🌲 Material |
Thermal timber 215°C, zero shrinkage, rot-resistant |
Does not require annual treatment, does not crack or deform |
The initial cost is 15-20% higher than regular pine. |
Pays for itself in 3-4 years without any repair or painting costs |
|
🛋️ Planning |
Two separate rooms: steam room + relaxation room |
Convenient for families, you can add a bathroom, the effect of a "full-fledged bathhouse" |
When fully loaded (6 people) it may feel compact |
Ideal for 4-5 people. For larger groups, consider the 7.0 x 3.0 m model. |
|
🔌 Electricity |
Option of ready-made wiring with moisture-proof elements |
Safe, aesthetically pleasing, low energy consumption |
The basic package does not include external wiring to the panel. |
Add a VVGng 3×4 mm² cable and a 16A circuit breaker when installing on-site. |
|
🔥 Security |
A stove with a firebox from the outside, spark arrestors, stainless steel pipes. |
Complete fire protection of the stove and chimney area, certified materials |
The stove and stones are not included in the base price. |
Choose a furnace with DSTU certification. Have a licensed professional install it. |
|
💰 Price |
Direct sales from the manufacturer, saving 15-20% |
Fixed price, transparent specifications, no dealer markups |
Delivery and installation are paid separately (depending on the region) |
Order a comprehensive turnkey service for a fixed final price |
|
🚛 Mobility |
Factory ready, weight ~2200 kg, without a capital foundation |
Installation in 1 day on a prepared site, easy to transport |
A level foundation (piles, blocks) and access for the crane are required. |
We provide free support point drawings and unloading support. |

Yes, but a major overhaul isn't necessary. Optimally:
Yes. Thermal timber is stable at temperatures from -30°C to +40°C. Recommendations:
❌ Stove, panoramic window, electricity, interior paneling, accessories
Yes. The manufacturer offers:
Book by phone or messenger. We offer tours daily (by prior arrangement). You'll see:

"Buying directly from the manufacturer isn't about saving money. It's an investment in control, quality, and transparency.
Ovale Fasssauna 6,0×2,6 м от Thermowood Production.
🏆 Expert verdict : If you're looking for a portable sauna that will last 25-40 years without major repairs, doesn't require annual maintenance, and guarantees the safety of your family, the Ovale Fasssauna from Thermowood Production is the optimal choice in its segment.

📩 Write "OVALE 6.0" on WhatsApp - and receive in 24 hours:
🎁 Bonus with your order : Free site preparation consultation with an engineer + a free basic care kit for thermally modified wood!
🎁 For subscribers : exclusive production videos, installation life hacks, early access to new models, and technical operating guides.

