Outdoor Finnish sauna - 4 people

3-4 People

External: 2.40m length x 1.75m depth x 2.41m height

Internal: 1.99m length x 1.31m depth x 1.91m height

What's included:

• Heater: 6Kw heater with external controls - includes heatproof cable
• 15Kgs Sauna rocks
• Heater guard
• 21mm Thermowood external cladding
• Triple insulated panels
• Bronze reflective double-glazed glass door
• Spruce benches, backrests and floor mat
• Spruce wall and ceiling cladding
• Water bucket and ladle
• 4 x 100ml fragrances
• 15 minute sand timer
• Combined thermometer / hygrometer
• Fire rated spot lighting
• Water resistant encapsulated A4 bathing rules card
• Comprehensive instructions for assembly, use and maintenance 
• All trim timbers and fixings

A Finnish sauna is a traditional wooden structure designed for heat bathing, where temperatures typically reach 70–100°C. Bathers experience dry heat that promotes relaxation, circulation, and wellness through perspiration. This outdoor model is purpose-built to withstand the elements. The exterior features weather-resistant timber cladding that protects against rain, wind, and temperature fluctuations. A sloped roof with proper drainage prevents water pooling, while sealed joints and treated wood resist rot and moisture penetration. The structure sits on a stable foundation to manage ground moisture and shifting soil. Inside, the sauna maintains thermal efficiency through insulated walls and a robust heating system that operates reliably in cold and damp conditions. Ventilation is carefully balanced to manage humidity while preserving heat. The door frame and seals are engineered to withstand outdoor pressure changes and seasonal movement. Designed for four people, this sauna combines authentic Finnish bathing tradition with practical durability for year-round outdoor use in the UK climate and beyond.