3-4 Person Thermory Square Sauna No 42 with Terrace & Window

• Occupancy: 6 Persons
• Product Weight: 1720 lbs
• Sustainably sourced Northern European spruce features a brushed texture, distinct knots, and consistent heartwood color
• Chemical-free thermal modification naturally enhances every board to its core
• 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
• Install in one day with no cutting required
• Rain jacket, flooring, and exterior trim package included
• Install the sauna heater of your choice - Heater not included

Download technical drawings

• 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"
• Material: Thermally modified Nordic spruce
• Heater: 11KW
• Side Bench Length: 4.30′
• Board Thickness: 1.57″
• Side Bench Width:1.61′

Real Wood That's Built to Take the Heat

All Thermory saunas start with 100% natural wood that's harvested and produced responsibly, guided by the highest standards for quality and sustainability.
All the wood species we select are ideally suited to withstand the rigors of regular sauna use. That means every time you step into a Thermory sauna, all you
notice is unequalled beauty and comfort.

The Right Wood

We look no further than the birthplace of sauna culture for beautiful Nordic softwood to craft your Thermory Barrel Sauna. Unlike cedar, which can become rough and unattractive over time, Thermory Nordic spruce’s proven rot resistance and ability to withstand the elements create the perfect marriage between outstanding design and structural integrity.

The Right Way

Our Nordic spruce is harvested exclusively in Scandinavia, a region celebrated for its responsible forestry practices. And wood is the only naturally renewable building material that doesn’t generate hazardous waste. So when you choose a Thermory Barrel Sauna you’re investing in the health of our planet. That’s why our mission is to “leave a lasting impact.”

Assembly

We pride ourselves on our attention to detail—right down to our installation guides. Your Thermory Square Sauna comes with pre-cut and pre-milled staves and cradles, so there’s no cutting necessary. In less than a day, you and a few friends can have your sauna fully constructed.

Installation guides

Download square no. 40 installation guide

Download square no. 41 installation guide

Download square no. 42 & no. 43 installation guide

Download square no. 45 installation guide

Thermory is the world’s largest manufacturer of thermally modified wood and sauna materials.

Our product assortment includes decking, cladding, and porch flooring made of thermally modified wood as well as industrially painted wooden products for indoor and outdoor use.

As the world’s leading manufacturer of sauna materials and ready-made saunas, we also hold a leading position in the sauna and spa sectors. 90% of our production is exported to more than 50 countries.

Heating options

With a minimalist design and high stone capacity, HUUM heaters give you long-lasting heat and steam. And your sauna’s curved interior ensures even heat distribution, so nobody fights for the “good seat.”