Finnish Sauna Builders Helsinki 4-Person Barrel Sauna with Terrace and Wi-Fi Heater

Transform your backyard into a relaxing outdoor retreat with the Finnish Sauna Builders Helsinki Barrel Sauna with Terrace. Designed for up to 4 people, this traditional barrel sauna combines Northern European Spruce construction, a two-tier bench layout, and an integrated terrace. The kit includes a Harvia Spirit Wi-Fi heater, offering convenient temperature control for your outdoor sauna experience. With pre-cut components and a step-by-step assembly guide, the Helsinki is designed for DIY installation without cutting individual components.

Specifications

• Brand: Finnish Sauna Builders

• Model: Helsinki Barrel Sauna with Terrace

• Sauna Type: Outdoor Barrel Sauna

• Maximum Capacity: 4 People

• Wood Material: Traditional Northern European Spruce

• Wood Treatment: Chemical-free treatment, as stated in the supplied product information

• Exterior Length: 70.87 inches

• Exterior Width: 86.61 inches

• Exterior Height: 88.98 inches

• Interior Width: 83.46 inches

• Interior Length: 51.18 inches

• Bench Layout: Two-tier benches

• Bench Width: 25.59 inches

• Bench Length: 50.79 inches

• Terrace: Included

• Heater: 8kW Harvia Spirit Wi-Fi heater, as stated in the main product description

• Front Door: Glass

• Flooring: Duckboard flooring

• Assembly: DIY assembly with pre-cut components; no cutting required

• Warranty: Warranty duration and coverage not provided

Features

• Outdoor Terrace: Includes an attached terrace that provides additional outdoor space for relaxing between sauna sessions.

• Traditional Barrel Design: A classic rounded structure designed for outdoor sauna use.

• Northern European Spruce: Natural wood construction with a chemical-free treatment, according to the supplied product information.

• Two-Tier Benches: Provides two seating levels inside the sauna.

• Harvia Spirit Wi-Fi Heater: The product description lists an 8kW Spirit Wi-Fi heater for convenient sauna temperature control.

• Glass Front Door: Provides a modern appearance and visibility into the sauna.

• Duckboard Flooring: Includes slatted flooring for the sauna interior.

• DIY Assembly: Pre-cut components and an assembly guide are designed to simplify setup without cutting individual pieces.

• Rain Protection: Includes a rain jacket, as listed in the supplied product information, to help protect the sauna from weather exposure.

What's Included

• Barrel Cradles: Supports for placement and assembly

• Body Staves and Wall Panels: Components for the sauna enclosure

• Glass Front Door: Front entry door

• Interior Benches and Backrest Staves: Seating components

• Duckboard Flooring: Sauna floor components

• Fasteners and Metal Bands: Assembly and structural fastening components

• Rain Jacket: Weather-protection component

• Sauna Heater: 8kW Harvia Spirit Wi-Fi heater, as stated in the main product description; verify the exact included heater model before ordering

• Assembly Instructions: Step-by-step assembly guide

Maintenance

• Wood Care: Inspect the exterior wood regularly and follow the manufacturer's recommendations for cleaning, weather protection, and long-term care.

• Ventilation: Air out the sauna after use to help the interior dry.

• Heater Maintenance: Follow the Harvia heater manual for operation, inspection, and maintenance of the heater and sauna stones, where applicable.

• Weather Protection: Inspect the rain jacket and exterior structure periodically for wear or damage.

• Fasteners and Bands: Check visible structural bands and fasteners periodically according to the assembly and maintenance instructions.

Warranty

• Warranty Information: Specific warranty duration, coverage, and exclusions were not provided in the supplied product information. Confirm warranty terms with Finnish Sauna Builders before purchase.

Product Use Notice

This outdoor sauna is intended for sauna bathing and relaxation. Individual experiences vary, and sauna use should not be considered a substitute for medical care or a guaranteed treatment for muscle recovery, joint mobility, stress, or other health conditions. Follow the manufacturer's operating instructions and heater guidelines. Allow the sauna to reach a suitable temperature before entering, stay hydrated, avoid excessive heat exposure, and leave the sauna if you feel dizzy, weak, or unwell. Children should be supervised, and individuals with medical conditions or concerns about heat exposure should consult a qualified healthcare professional before use.

Safety Instructions

• Installation: Assemble the sauna on a suitable, stable foundation and follow all supplied assembly instructions.

• Electrical Installation: Have the heater and associated electrical components installed by a qualified professional in accordance with manufacturer requirements and applicable local codes.

• Heater Compatibility: Verify the exact heater model, required voltage, circuit specifications, and suitability for the sauna before installation.

• Clearance Requirements: Maintain the heater safety clearances and ventilation specified in the heater manual.

• Supervision: Never leave children unattended in or around a heated sauna.

• Operating Instructions: Review the sauna assembly manual and the heater operating manual before use.

Resources

• Sauna Operations Manual: Download the Helsinki and Turku sauna manual

• Harvia Spirit Heater Manual: View the Harvia Spirit heater documentation