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Heat-Treated Aspen Sauna Wood - Fluted Wall Paneling 1x4 T&G is crafted from premium Finnish Aspen, thermally modified for enhanced durability and a rich brown tone. The fluted profile features a soft, undulating wave design. The heat treatment uses only heat and water vapor, producing a harder, more stable wood with an elegant surface.

Available Lengths: 2-8.8 ft.

This wood is sold as an individual board.

  • Heat-Treated Finnish Aspen: Thermally modified for increased hardness and a warm, rich brown color reminiscent of tropical hardwood.
  • Fluted Wave Profile: undulating wave surface that beautifully reflects light and adds visual depth to walls.
  • Chemical-Free Treatment: Only heat and water vapor used - meets M1 Indoor Air Classification (highest rating).
  • Knot-Free & Resin-Free: Premium, uniform look with no knots or resin on any face.
  • Design Versatility: Horizontal or vertical installation; pairs beautifully with modern, Scandinavian, or traditional interiors.
  • Width: 3-9/16 in (90mm) - Usable width: 3-1/8 in (80mm)
  • Thickness: 9/16 in (15mm)
  • Profile: Fluted (Flat T&G with Wave Design)
  • Grade: Knot-Free, PEFC Certified, M1 Indoor Air Classification
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Heat-Treated Aspen Sauna Wood - Fluted Wall Paneling 1x4 T&G

SKU: PKW-KareHTAsepnSTS4-1X4-2
Regular price $9.25
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Heat-Treated Aspen Sauna Wood - Fluted Wall Paneling 1x4 T&G is crafted from premium Finnish Aspen, thermally modified for enhanced durability and a rich brown tone. The fluted profile features a soft, undulating wave design. The heat treatment uses only heat and water vapor, producing a harder, more stable wood with an elegant surface.

Available Lengths: 2-8.8 ft.

This wood is sold as an individual board.

  • Heat-Treated Finnish Aspen: Thermally modified for increased hardness and a warm, rich brown color reminiscent of tropical hardwood.
  • Fluted Wave Profile: undulating wave surface that beautifully reflects light and adds visual depth to walls.
  • Chemical-Free Treatment: Only heat and water vapor used - meets M1 Indoor Air Classification (highest rating).
  • Knot-Free & Resin-Free: Premium, uniform look with no knots or resin on any face.
  • Design Versatility: Horizontal or vertical installation; pairs beautifully with modern, Scandinavian, or traditional interiors.
  • Width: 3-9/16 in (90mm) - Usable width: 3-1/8 in (80mm)
  • Thickness: 9/16 in (15mm)
  • Profile: Fluted (Flat T&G with Wave Design)
  • Grade: Knot-Free, PEFC Certified, M1 Indoor Air Classification