Sauna Optimal
Building Kit 2 — Sauna Optimal Thermo-Aspen | 2-4 Person Home Sauna Kit
Building Kit 2 — Sauna Optimal Thermo-Aspen | 2-4 Person Home Sauna Kit
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Building Kit 2 — Sauna Optimal Thermo-Aspen | 2–4 Person Home Sauna Kit
Building Kit 2 for the OPTIMAL Thermo-Aspen sauna is an extended and reliable solution for building a spacious sauna designed for 2–4 people. Thermal treatment gives the aspen wood a unique dark chocolate shade, significantly increases resistance to moisture and temperature fluctuations, and eliminates deformation.
The kit includes an increased quantity of high-quality thermo-aspen lining, a sturdy pine frame and all the necessary materials for reliable thermal insulation and wood protection — everything pre-calculated for a 2–4 seat sauna.
🔒 3 Year Warranty Included
| Item | Quantity |
|---|---|
| Thermo-Aspen Lining STP 15x90 mm (length 2,100 mm) | 132 pcs |
| Pine Frame 45x45 mm (length 2,400 mm) | 8 pcs |
| Pine Frame 21x45 mm (length 2,400 mm) | 25 pcs |
| C4 Mounting Clips 4 mm with 2.5x16 Screws | 4 packs |
| Sauna-SPU Thermal Insulation | 37 pcs |
| Aluminium Tape 50 mm x 50 m | 2 rolls |
| Tikkurila Supi Saunasuoja Protective Agent | 2.7 L |
| Specification | Detail |
|---|---|
| SKU | 17068 |
| Sauna Capacity | 2–4 People |
| Lining Material | Thermo-Aspen (no resin, heat-treated) |
| Frame Material | Pine (45x45 mm & 21x45 mm) |
| Insulation | Sauna-SPU (37 sheets) |
| Vapour Barrier | Aluminium Tape 50 mm x 50 m (x2) |
| Wood Protection | Tikkurila Supi Saunasuoja 2.7 L |
| Fixing System | Galvanised C4 Clips + Screws |
| Wood Finish | Dark Chocolate (Thermowood) |
| Warranty | 3 Years |
Building Kit 2 Optimal is designed for a sauna accommodating 2 to 4 people.
Thermo-aspen is aspen wood that has been heat-treated to increase its resistance to moisture, temperature fluctuations and biological decay. It develops a distinctive dark chocolate colour and does not warp or crack over time.
Yes. The kit includes thermo-aspen lining, pine frame, thermal insulation, aluminium tape, mounting clips with screws and Tikkurila wood protection — all pre-calculated for a 2–4 seat sauna.
Yes. The ready-made configuration is designed for both professional and self-assembly.
Yes. Building Kit 2 Optimal Thermo-Aspen comes with a 3 year warranty.
For full details on shipping timescales, costs, and delivery options, please visit our Delivery & Shipping page.
For information on returns, refunds, and our returns process, please see our Returns & Refund Policy.
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