Thermasol Fortis Sauna Cabin

The Thermasol Fortis Outdoor Sauna Cabin combines modern architectural styling with exceptional functionality to create a luxurious backyard wellness retreat. Its sleek enclosed design, dark grey glass front, and minimalist eave-style roofline bring a sophisticated aesthetic to any outdoor setting, while allowing natural light to enhance the sauna experience. Designed for those who appreciate both privacy and contemporary design, Fortis delivers a refined escape just steps from home.

Premium Materials Crafted for Comfort

Built with thermally modified Nordic spruce and pinewood on the exterior and premium thermo-aspen throughout the interior, Fortis is engineered for durability, stability, and long-term performance. The warm wood finishes create an inviting atmosphere, while the insulated construction helps maintain optimal temperatures for a comfortable and efficient sauna session. Every detail is thoughtfully selected to provide both visual appeal and lasting reliability.

Immersive Wellness Experience

Designed to accommodate up to four people, the Fortis Sauna Cabin offers a spacious environment for relaxation, recovery, and social wellness. Integrated RGB LED color lighting allows you to customize the ambiance to match your mood, while the powerful Virta heater provides consistent, enveloping heat for an authentic sauna experience. Whether you’re unwinding after a workout or enjoying a peaceful evening outdoors, Fortis creates the ideal setting for restorative wellness.

Built for Year-Round Outdoor Performance

Fortis is engineered to perform in every season with multi-layer wood fiber insulation and a durable weather-resistant roof that helps protect against the elements. Delivered fully assembled for convenient installation, it offers a hassle-free path to luxury outdoor living. Combining advanced construction, premium materials, and timeless sauna tradition, the Thermasol Fortis transforms any backyard into a private wellness destination.

Thermasol Fortis Sauna Cabin Features:

What’s Included: Sauna cabin, 9kW Virta heater with Wi-Fi option
Capacity: 3–4 people
Exterior Dimensions: 90″ L × 87″ W × 89″ H
Exterior Material: Thermally modified and brushed Nordic spruce/Pinewood
Interior Material: Thermally modified aspen
Glass Type: 8mm Parsol Dark Grey Glass (PSDG)
Heater Included: 9kW Virta heater with Wi-Fi option
Lighting: RGB LED color therapy with remote control
Roof Type: Durable, weather-resistant roof
Door: Aluminum frame with hidden hinges

Download Fortis Sauna Cabin Spec Sheet