TESLI EXTRA Thermo Basswood Sauna Bench Board | Lumber – Smooth, Durable Seating for Compact Sauna Designs

The TESLI EXTRA Thermo Basswood Sauna Bench Board | Lumber is a premium solution for crafting sleek, comfortable sauna seating and backrests. Made from thermally modified basswood, this component delivers exceptional durability, a smooth texture, and resistance to heat and humidity—ideal for high-performance use in indoor or outdoor saunas.

This EXTRA grade sauna lumber features an elegant, knot-free appearance and a cool-to-the-touch finish that ensures comfort and safety. Its compact dimensions make it a versatile choice for custom bench layouts and DIY sauna kits, especially in small or medium-sized sauna spaces.

Key Features:

• Material: Thermally modified basswood for rich color, improved moisture resistance, and dimensional stability
• Dimensions: 35 mm (1 3/8″) 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 – smooth, nearly knot-free finish for premium appearance and comfort
• Application: Ideal for building sauna benches, backrests, and other seating elements that stay cool and splinter-free
• Maintenance: Low-maintenance and long-lasting due to thermal treatment that reduces resin and warping

Upgrade your sauna seating design with the TESLI EXTRA Thermo Basswood Bench Board | Lumber, blending natural elegance with lasting performance. Now available for sale in the United States and Canada. Need help choosing components? Try our DIY sauna kit calculator for a personalized solution.