The STS4 profile is an exceptionally modern choice for sauna wall cladding. It is characterized by elegant, square-cut grooves between the boards, offering a refined and contemporary aesthetic result. The versatility of the STS4 profile allows you to combine it perfectly with other profiles, creating striking contrasts and a unique design identity for your space.

Why Choose Thermally Modified Aspen?

Aspen is a premier material for sauna construction, and thermal modification elevates it into a high-performance material of superior standards:

• Unrivaled Aesthetics: The wood achieves a uniform, warm, honey-like brownish hue, adding luxury and tranquility to your sauna.
• Durability and Stability: Thermal treatment strengthens the wood’s structure, making it exceptionally stable and highly resistant to environmental changes.
• Perfect for Sauna Use: The process reduces the wood’s natural moisture content and thermal conductivity, ensuring the surface remains comfortable and safe to the touch, even in high-temperature conditions.
• Eco-Friendly: Thermal modification is a 100% natural process. No chemicals or additives are used—only high temperatures—making the product perfectly safe for residential use and environmentally friendly.

Technical Specifications

• Profile: STS4 (with characteristic square grooves)
• Dimensions: 15 x 120mm
• Available Lengths: 2400 – 3000mm
• Material: Thermally modified Aspen