TESLI EXTRA Thermo Basswood Sauna Bench Trim Board – Premium Comfort and Durability for Sauna Seating
Elevate your sauna interior with the TESLI EXTRA Thermo Basswood Sauna Bench Trim Board, a high-quality component designed for comfortable, splinter-free seating surfaces. Made from thermally modified basswood, this bench trim offers exceptional durability, rich natural color, and resistance to heat and humidity—making it ideal for use in any indoor or outdoor sauna environment.
This EXTRA grade sauna wood features a smooth finish with minimal knots, adding a luxurious look and feel to sauna benches, backrests, and other seating elements. With a wide range of length options, it provides flexibility for custom sauna designs and DIY sauna kits.
Key Features:
- Material: Thermally modified basswood for enhanced durability, reduced warping, and consistent coloring
- Dimensions: 65 mm (2 9/16″) width x 24 mm (15/16″) thickness; lengths from 1,900 mm to 3,000 mm (74 13/16″ to 118 1/8″)
- Grade: EXTRA grade – smooth surface with minimal knots for comfort and refined appearance
- Application: Ideal for sauna benches, backrests, and seating trim that stays cool to the touch
- Maintenance: Thermal treatment lowers resin content and improves dimensional stability for long-term performance
The TESLI EXTRA sauna bench trim is a must-have for any custom or prefabricated sauna. It delivers the perfect combination of comfort, style, and resilience. Now available for sale in the United States and Canada. Need help designing your sauna? Try our DIY sauna kit calculator for a custom layout.




