TESLI EXTRA Thermo Basswood Sauna Bench Board – Durable and Comfortable Seating for Sauna Interiors

The TESLI EXTRA Thermo Basswood Sauna Bench Board is designed to provide both style and function in your sauna seating design. Crafted from thermally modified basswood, this high-quality board delivers a smooth, splinter-free surface that remains cool to the touch—ideal for saunas exposed to high humidity and temperature.

This EXTRA grade sauna board features a premium selection with minimal knots and a uniform appearance, offering excellent comfort and a refined look for sauna benches, backrests, and seating surfaces. Its enhanced dimensional stability ensures long-lasting performance with reduced maintenance needs.

Key Features:

• Material: Thermally modified basswood for improved moisture resistance, stability, and a rich, even tone
• Dimensions: 85 mm (3 5/16″) wide x 24 mm (15/16″) thick, with lengths from 1,900 mm to 3,000 mm (74 13/16″ to 118 1/8″)
• Grade: EXTRA grade – minimal knots and smooth finish for premium sauna aesthetics and comfort
• Application: Suitable for sauna benches, backrests, and seating elements in home or commercial saunas
• Maintenance: Thermal treatment reduces resin and improves longevity, requiring less upkeep over time

The TESLI EXTRA sauna bench board is perfect for anyone seeking a blend of durability, beauty, and function in their sauna project. Now available for sale in the United States and Canada. Still planning your setup? Try our DIY sauna kit calculator for a personalized sauna design.