TESLI ECO Basswood Tongue & Groove Sauna Board | Lumber – Affordable and Stylish Wood Cladding for Saunas and Interiors

The TESLI ECO Basswood Tongue & Groove Sauna Board | Lumber is a cost-effective and reliable choice for enhancing the appearance and performance of saunas, steam rooms, relaxation areas, balconies, and interior walls. Made from solid basswood, this board provides a natural aesthetic with dependable durability in high-humidity environments.

Thanks to its low thermal conductivity, basswood remains cool to the touch, ensuring comfort and safety in heated spaces. The ECO grade features tight knots and natural variations, delivering a warm, rustic charm. Its tongue & groove profile ensures a secure, smooth fit for easy installation and a refined finish.

Key Features:

• Quality Basswood Material: Naturally heat-resistant and pleasant to the touch, even in hot sauna environments
• Precise Dimensions: Working width: 80 mm (3 1/8″), thickness: 13 mm (1/2″), lengths: 1,900 mm to 3,000 mm (6’3″ to 9’10”)
• Tongue & Groove Profile: Secure and seamless connection for quick installation and a clean finish
• Comfort & Safety: Low-density wood remains cool and safe in high-temperature conditions
• Naturally Aromatic: Subtle honey-like scent enhances the relaxing sauna atmosphere
• ECO Grade Quality: Entry-level selection with live knots (up to 25 mm / 1″) and natural color variation for rustic style
• Sap-Free Assurance: All boards are sap-free, delivering a clean, low-maintenance cladding solution

The TESLI ECO sauna cladding is ideal for builders and DIYers seeking budget-friendly materials without compromising on style or performance. Now available for sale in the United States and Canada. Use our DIY sauna kit calculator to plan your perfect sauna with the right materials.