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The Thermory Mod4 Sauna is a compact yet highly social sauna designed for 4–6 people, making it a strong fit for both private relaxation and shared wellness experiences. Suitable for indoor or outdoor use, it features an Ignite Spruce 1x6 Brushed Black exterior paired with a refined interior of thermally modified spruce and alder for a modern Nordic look with lasting durability. The L-shaped social bench layout creates a comfortable and inviting setting, while wool insulation supports strong heat retention for an efficient and comfortable sauna environment. Large glass panels bring in natural light and add openness to the design, and the structure is built with premium thermally modified wood components for dependable performance and long-term resistance to moisture and wear. The Mod4 combines compact dimensions with a premium, design-forward sauna experience.

  • Designed for 4–6 people with a social L-bench layout that encourages comfortable seating and shared use.
  • Indoor or outdoor installation for flexible placement in a variety of residential wellness spaces.
  • Ignite Spruce 1x6 Brushed Black exterior cladding for a bold, modern appearance.
  • Thermally modified interior materials including Thermo-Spruce wall and ceiling components plus Thermo-Alder bench material.
  • Wool insulation helps improve heat retention and overall sauna efficiency.
  • Large glass panels create a more open feel and bring natural light into the sauna.
  • Premium door assembly with a Thermo-Pine frame, premium black handle and hinges, and clear glass.
  • 4x4 laminated Thermo-Pine frame posts provide strong structural support.
  • Built for long-term durability using thermally modified wood and a layered construction system with house wrap, vapor barrier, wool insulation, and panel materials.
  • Model: Mod4 Modern Social
  • Series: Mod Series
  • Capacity: 4–6 persons
  • Indoor / Outdoor Use: Yes
  • Product Dimensions: 5.3' x 6'
  • Product Length: 64 1/4"
  • Total Length: 67 1/4"
  • Width / Depth: 78"
  • Height Without Roof: 87 1/4"
  • Overall Height: 95 3/8"
  • Total Volume: 233.7 ft³
  • Product Weight: Approx. 1,800 lbs
  • Exterior Cladding: Ignite Spruce 1x6 Brushed Black
  • Interior Trim / Secondary Cladding: 1x4 Thermo-Alder STS4 (Medium modification level)
  • Bench Material: 5/4x4 Thermo-Alder SHP (Medium modification level)
  • Ceiling Material: 1x4 Thermo-Spruce STS4 Brushed Black (Intense modification level)
  • Door Material: 7x19 Thermo-Pine Frame / Premium Black Handle & Hinges / Clear Glass
  • Frame Posts: 4x4 Laminated Thermo-Pine
  • Bench Type: Social L Bench
  • Bench Lengths: Long Top Bench 65 1/4", Long Bottom Bench 65 1/4", Short Top Bench 42 5/8", Foot Rest 26 5/8"
  • Bench Depths: Long Top Bench 15 1/2", Long Bottom Bench 15 1/2", Short Top Bench 15 1/2", Foot Rest 7 1/2"
  • Bench Heights: Bottom Benches 19 1/2", Top Benches 37 1/2"
  • Wall / Board Thickness: 1 1/16"
  • Glass Panels: M4 Medium Glass Panel - 27 1/8" x 81 7/8"; M2 Medium Glass Panel - 27 1/8" x 81 7/8"
  • Construction Materials: Thermally modified pine and spruce, Thermo-Alder components, house wrap, vapor barrier, wool insulation, 1/2" OBS plywood, and 1/4" plywood
  • Freight Class: Freight
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Mod4 Modern Social Sauna | Thermory

SKU: THR-71117
Regular price $10,500.00
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The Thermory Mod4 Sauna is a compact yet highly social sauna designed for 4–6 people, making it a strong fit for both private relaxation and shared wellness experiences. Suitable for indoor or outdoor use, it features an Ignite Spruce 1x6 Brushed Black exterior paired with a refined interior of thermally modified spruce and alder for a modern Nordic look with lasting durability. The L-shaped social bench layout creates a comfortable and inviting setting, while wool insulation supports strong heat retention for an efficient and comfortable sauna environment. Large glass panels bring in natural light and add openness to the design, and the structure is built with premium thermally modified wood components for dependable performance and long-term resistance to moisture and wear. The Mod4 combines compact dimensions with a premium, design-forward sauna experience.

  • Designed for 4–6 people with a social L-bench layout that encourages comfortable seating and shared use.
  • Indoor or outdoor installation for flexible placement in a variety of residential wellness spaces.
  • Ignite Spruce 1x6 Brushed Black exterior cladding for a bold, modern appearance.
  • Thermally modified interior materials including Thermo-Spruce wall and ceiling components plus Thermo-Alder bench material.
  • Wool insulation helps improve heat retention and overall sauna efficiency.
  • Large glass panels create a more open feel and bring natural light into the sauna.
  • Premium door assembly with a Thermo-Pine frame, premium black handle and hinges, and clear glass.
  • 4x4 laminated Thermo-Pine frame posts provide strong structural support.
  • Built for long-term durability using thermally modified wood and a layered construction system with house wrap, vapor barrier, wool insulation, and panel materials.
  • Model: Mod4 Modern Social
  • Series: Mod Series
  • Capacity: 4–6 persons
  • Indoor / Outdoor Use: Yes
  • Product Dimensions: 5.3' x 6'
  • Product Length: 64 1/4"
  • Total Length: 67 1/4"
  • Width / Depth: 78"
  • Height Without Roof: 87 1/4"
  • Overall Height: 95 3/8"
  • Total Volume: 233.7 ft³
  • Product Weight: Approx. 1,800 lbs
  • Exterior Cladding: Ignite Spruce 1x6 Brushed Black
  • Interior Trim / Secondary Cladding: 1x4 Thermo-Alder STS4 (Medium modification level)
  • Bench Material: 5/4x4 Thermo-Alder SHP (Medium modification level)
  • Ceiling Material: 1x4 Thermo-Spruce STS4 Brushed Black (Intense modification level)
  • Door Material: 7x19 Thermo-Pine Frame / Premium Black Handle & Hinges / Clear Glass
  • Frame Posts: 4x4 Laminated Thermo-Pine
  • Bench Type: Social L Bench
  • Bench Lengths: Long Top Bench 65 1/4", Long Bottom Bench 65 1/4", Short Top Bench 42 5/8", Foot Rest 26 5/8"
  • Bench Depths: Long Top Bench 15 1/2", Long Bottom Bench 15 1/2", Short Top Bench 15 1/2", Foot Rest 7 1/2"
  • Bench Heights: Bottom Benches 19 1/2", Top Benches 37 1/2"
  • Wall / Board Thickness: 1 1/16"
  • Glass Panels: M4 Medium Glass Panel - 27 1/8" x 81 7/8"; M2 Medium Glass Panel - 27 1/8" x 81 7/8"
  • Construction Materials: Thermally modified pine and spruce, Thermo-Alder components, house wrap, vapor barrier, wool insulation, 1/2" OBS plywood, and 1/4" plywood
  • Freight Class: Freight