Alder Sauna Bench Board PAR 28×90mm

Alder sauna bench boards 28×90mm are specifically designed for sauna seating, offering a smooth, stable, and comfortable surface in high-temperature environments. Alder is widely used as sauna seating timber due to its low heat conductivity, making it comfortable to sit on even during prolonged use.

Supplied planed all round (PAR), these boards provide a clean, splinter-free finish suitable for direct contact. The 28mm thickness ensures structural strength for bench construction, while the 90mm width allows for flexible layout and consistent spacing in sauna bench design.

Key Features

• Profile: PAR (planed all round)
• Size: 28×90mm
• Material: Alder sauna seating timber
• Finish: Smooth planed surface
• Use: Sauna bench boards and seating

Why Use Alder for Sauna Bench Boards

Alder is one of the most suitable timbers for sauna seating due to its consistent structure and user comfort. It remains stable in sauna conditions while maintaining a pleasant surface temperature.

• Low heat conductivity – ideal for sauna seating
• Smooth, knot-minimal surface
• Stable performance in high temperatures
• Warm, uniform appearance

Installation Guidance

Sauna bench boards should be installed onto a solid support frame with spacing between boards to allow airflow and moisture management. Proper fixing ensures long-term durability and structural integrity.

• Allow gaps between boards for ventilation
• Use stainless steel fixings
• Ensure adequate structural support

Applications

• Sauna bench seating
• Sauna platforms and steps
• Internal spa and wellness areas

Important Information

• For internal sauna use only
• Natural variation in colour and grain is expected
• Not intended for wall cladding applications