Thermory No 40 Square Sauna
Thermory No 40 Square Sauna
Thermory No 40 Square Sauna
Thermory No 40 Square Sauna
Thermory No 40 Square Sauna
Thermory No 40 Square Sauna
Thermory No 40 Square Sauna
Thermory No 40 Square Sauna
Thermory No 40 Square Sauna
Thermory No 40 Square Sauna

Thermory No 40 Square Sauna

Thermory DIY Square Sauna Kit

Regular price$9,898.00
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  • Model: No 40 Square Sauna
  • Sustainably sourced Northern European spruce features a brushed texture, distinct knots, and consistent heartwood color
  • Unrivaled rot- and moisture-resistance with exceptional stability and durability
  • Superior insulating properties keep you surrounded with even heat distribution
  • Intuitively engineered for simple DIY installation
  • 6 person with porch & window

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  • Spacious design with over seven feet of headroom and deep, reclining tiered benches.
  • Constructed with thermally modified Nordic spruce—rot-resistant for up to 25 years and highly dimensionally stable.
  • Smooth-milled surfaces that stay comfortable and cool to the touch during use.
  • Brushed Nordic spruce with consistent color, visible grain, and enduring durability.
  • Superior insulation ensures consistent and even heat distribution.
  • DIY-friendly kit designed for intuitive assembly.
  • Includes a large, dramatic glass front and porch area for an open, inviting feel.
  • Sustainably sourced materials meet expert-level craftsmanship.

  • Occupancy: 6 Persons
  • Product Weight: 1820 lbs
  • Dimensions (L x W x H): 98.9" x 82.8" x 86.5"
  • Volume: 241 Cubic Ft
  • Window Size: 75.2" x 38.2"
  • Shipping Crate Dimensions (H x W x L): 34.6" x 45.3" x 98.8"
  • Porch Length: 19.32"
  • Wall/Board Thickness: 1.57"
  • Material: Thermally Modified Nordic Spruce

  • Manuals
  • Cradles
  • Body staves
  • Wall panels
  • Panoramic window
  • Wooden trims
  • Glass front door with handle
  • Front panels with glass
  • Interior benches
  • Backrest staves
  • Duckboard flooring
  • Fasteners
  • Metal bands
  • Porch benches
  • PVC rain jacket with trim

Smart shape. Sweeping views.

Nordic spruce gets a fresh look in a square silhouette with curved contours. Take in the view from the full tempered-glass front of your Thermory Sauna Square while you rest your feet on the tiered bench. Go ahead, stay awhile.

The most spacious

The height and width of our squares give you seven feet of headroom and deep benches to sit or fully recline.

The most durable

Thermally modified Nordic spruce never shrinks for unmatched durability and stability, along with 25 years of proven rot resistance.

The most comfortable

Unlike cedar, which can become rough, our Nordic softwood is milled to give you the smoothest surface that’s never too hot.

Take the next step

Thermory Saunas are the only thermally modified saunas in North America. So, you get the beauty of real wood, naturally enhanced with only heat and steam for unequaled durability and stability. And your sauna never shrinks—even in changing weather conditions. Cedar can’t say that.

Sitting porch

Your Thermory Sauna Square’s porch is the perfect place to take breaks between sessions. It’s also a good spot to leave your shoes, your robe, and your troubles.

Tiered bench

When you entertain in your Thermory Sauna Square, there’s never a bad seat in the house. Plus, you can rest your feet on the convenient lower bench.

Extra-wide Window

No matter what’s outside—rain, snow, or jealous neighbors—enjoy the view through your Thermory Sauna Square’s dramatic, rectangular window.