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Heat-Treated Aspen Sauna Wood - Wall Paneling 1x6 T&G STS4
Heat-Treated Aspen Sauna Wood - Wall Paneling 1x6 T&G STS4

Heat-Treated Aspen Sauna Wood - Wall Paneling 1x6 T&G STS4 is crafted from premium Finnish Aspen that has been thermally modified for enhanced durability and a rich, warm brown tone. The heat treatment process uses only heat and water vapor (no chemicals), making the wood harder, more dimensionally stable, and naturally resistant to moisture. This panel features a flat tongue-and-groove (STS4) profile for seamless installation.

Available Lengths: 2-9.8 ft.

This wood is sold as an individual board.

  • Heat-Treated Finnish Aspen: Thermally modified for increased hardness, durability, and a beautiful brown color with an elegant, hardwood-like surface.
  • T&G STS4 Profile: Flat tongue-and-groove joint for a clean, contemporary look with tight board-to-board connections.
  • Chemical-Free Treatment: Heat treatment uses only heat and water vapor - no chemicals added. Meets M1 Indoor Air Classification (highest rating).
  • Knot-Free & Resin-Free: Uniform, premium appearance with no knots or resin on any surface.
  • Pleasant Aroma: Natural, pleasant wood scent enhanced by the heat treatment process.
  • Width: 5-1/2 in (140mm)
  • Thickness: 9/16 in (15mm)
  • Profile: T&G STS4 (Flat Tongue & Groove)
  • Grade: Knot-Free, PEFC Certified, M1 Indoor Air Classification
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Heat-Treated Aspen Sauna Wood - Wall Paneling 1x6 T&G STS4

SKU: PKW-HTAspenSTS4-1X6-2
$13.99
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Heat-Treated Aspen Sauna Wood - Wall Paneling 1x6 T&G STS4 is crafted from premium Finnish Aspen that has been thermally modified for enhanced durability and a rich, warm brown tone. The heat treatment process uses only heat and water vapor (no chemicals), making the wood harder, more dimensionally stable, and naturally resistant to moisture. This panel features a flat tongue-and-groove (STS4) profile for seamless installation.

Available Lengths: 2-9.8 ft.

This wood is sold as an individual board.

  • Heat-Treated Finnish Aspen: Thermally modified for increased hardness, durability, and a beautiful brown color with an elegant, hardwood-like surface.
  • T&G STS4 Profile: Flat tongue-and-groove joint for a clean, contemporary look with tight board-to-board connections.
  • Chemical-Free Treatment: Heat treatment uses only heat and water vapor - no chemicals added. Meets M1 Indoor Air Classification (highest rating).
  • Knot-Free & Resin-Free: Uniform, premium appearance with no knots or resin on any surface.
  • Pleasant Aroma: Natural, pleasant wood scent enhanced by the heat treatment process.
  • Width: 5-1/2 in (140mm)
  • Thickness: 9/16 in (15mm)
  • Profile: T&G STS4 (Flat Tongue & Groove)
  • Grade: Knot-Free, PEFC Certified, M1 Indoor Air Classification