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A wood-burning stove produces serious heat at floor level, and the floor underneath it needs to be designed for that — not assumed to handle it. The Harvia WL110 is a floor-mounted protective bedding platform built for large wood-burning heaters with water tanks, including the Harvia 20 Pro, 22, and 36 series. It sits between the stove and the floor surface, absorbing and deflecting heat that would otherwise reach your waterproofing membrane, tile adhesive, or wood subfloor directly. The platform is aluminum-zinc coated steel, painted black, and built to match the footprint of large Harvia stoves exactly — 22 inches wide by 25 inches deep, with adjustable feet that level the stove on floors that aren't perfectly flat, from 2.4 to 3 inches of clearance. On a waterproofed tile floor the WL110 is sufficient on its own. On a wooden floor, Harvia requires a protective sheath to be used alongside it — the bedding alone does not meet the installation standard for wood substrates. If you're building a sauna with a large wood-burning stove and a floor that needs protecting, this is the piece that makes the installation correct.

Floor protection under serious heat. Sits between the stove base and the floor surface, absorbing radiant heat from a large wood-burning heater before it reaches the waterproofing membrane, tile adhesive, or wood subfloor beneath it.

Adjustable feet, works on uneven floors. The four leveling feet adjust from 60 to 75mm, letting you set the platform level on a floor that isn't perfectly flat — a practical detail in older sauna buildings and custom outdoor structures where the floor grade isn't guaranteed.

Built for large heaters with water tanks. Sized at 22" x 25" for the Harvia 20 Pro, 22, and 36 series stoves and compatible large wood-burning heaters. The WL100 (sold separately) is the smaller variant for heaters without water tanks — confirm your stove model before ordering.

Aluminum-zinc steel, built for wet environments. The platform is aluminum-zinc coated steel painted black — corrosion-resistant in the humidity of a sauna room and heavy enough to stay firmly in place under a loaded stove.

Tile floor or wood floor — different rules. On a waterproofed tile floor, the WL110 meets Harvia's installation requirement on its own. On a wooden floor, Harvia requires a protective sheath to be used alongside it. The bedding alone is not the complete solution for wood substrates.

  • MPN: WL110
  • Compatibility: Compatible with wood-burning heaters with water tanks and large wood-burning sauna heaters, including Harvia 36 models
  • Part Type: Protective Bedding
  • What’s Included: Protective bedding platform
  • Dimensions (W × D × H): 22.0" × 25.0" × 2.4"–3.0"
  • Installation: Floor-mounted beneath compatible wood-burning sauna heaters; required when installing on tiled floors with waterproof membrane treatment
  • Safety Features: Protects floor surfaces from heat and appliance weight; reduces risk of damage to waterproofed flooring systems
  • Material: Aluminum-zinc-coated steel
  • Finish: Black painted finish
  • Applications: Protective base for wood-burning sauna heaters installed on tiled or protected floor surfaces
  • Misc: When used on combustible wooden floors, an additional protective sheath is required; it is designed specifically for large wood-burning sauna stoves and heaters with integrated water tanks

Wood Stove Protective Floor Bedding for Pro20LS/RS & Pro36/DUO | Harvia

SKU: HAR-WL110
Regular price $356.00
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A wood-burning stove produces serious heat at floor level, and the floor underneath it needs to be designed for that — not assumed to handle it. The Harvia WL110 is a floor-mounted protective bedding platform built for large wood-burning heaters with water tanks, including the Harvia 20 Pro, 22, and 36 series. It sits between the stove and the floor surface, absorbing and deflecting heat that would otherwise reach your waterproofing membrane, tile adhesive, or wood subfloor directly. The platform is aluminum-zinc coated steel, painted black, and built to match the footprint of large Harvia stoves exactly — 22 inches wide by 25 inches deep, with adjustable feet that level the stove on floors that aren't perfectly flat, from 2.4 to 3 inches of clearance. On a waterproofed tile floor the WL110 is sufficient on its own. On a wooden floor, Harvia requires a protective sheath to be used alongside it — the bedding alone does not meet the installation standard for wood substrates. If you're building a sauna with a large wood-burning stove and a floor that needs protecting, this is the piece that makes the installation correct.

Floor protection under serious heat. Sits between the stove base and the floor surface, absorbing radiant heat from a large wood-burning heater before it reaches the waterproofing membrane, tile adhesive, or wood subfloor beneath it.

Adjustable feet, works on uneven floors. The four leveling feet adjust from 60 to 75mm, letting you set the platform level on a floor that isn't perfectly flat — a practical detail in older sauna buildings and custom outdoor structures where the floor grade isn't guaranteed.

Built for large heaters with water tanks. Sized at 22" x 25" for the Harvia 20 Pro, 22, and 36 series stoves and compatible large wood-burning heaters. The WL100 (sold separately) is the smaller variant for heaters without water tanks — confirm your stove model before ordering.

Aluminum-zinc steel, built for wet environments. The platform is aluminum-zinc coated steel painted black — corrosion-resistant in the humidity of a sauna room and heavy enough to stay firmly in place under a loaded stove.

Tile floor or wood floor — different rules. On a waterproofed tile floor, the WL110 meets Harvia's installation requirement on its own. On a wooden floor, Harvia requires a protective sheath to be used alongside it. The bedding alone is not the complete solution for wood substrates.

  • MPN: WL110
  • Compatibility: Compatible with wood-burning heaters with water tanks and large wood-burning sauna heaters, including Harvia 36 models
  • Part Type: Protective Bedding
  • What’s Included: Protective bedding platform
  • Dimensions (W × D × H): 22.0" × 25.0" × 2.4"–3.0"
  • Installation: Floor-mounted beneath compatible wood-burning sauna heaters; required when installing on tiled floors with waterproof membrane treatment
  • Safety Features: Protects floor surfaces from heat and appliance weight; reduces risk of damage to waterproofed flooring systems
  • Material: Aluminum-zinc-coated steel
  • Finish: Black painted finish
  • Applications: Protective base for wood-burning sauna heaters installed on tiled or protected floor surfaces
  • Misc: When used on combustible wooden floors, an additional protective sheath is required; it is designed specifically for large wood-burning sauna stoves and heaters with integrated water tanks