Baltresto S424 Oval Sauna (4 Person) – Thermowood Outdoor Sauna with Changing Room

Baltresto S424 Oval Sauna (4 Person) – Outdoor Sauna with Changing Room

Transform your outdoor space into a private wellness retreat with the Oval Outdoor Sauna S424 — a spacious, high-performance sauna designed for gardens, terraces, and luxury home wellness setups.

Featuring a dedicated dressing room, premium timber construction, and efficient heat performance, this sauna delivers a complete spa-style experience at home with both functionality and comfort built in.

Key Features

Spacious oval design – ideal for larger gardens and dedicated wellness areas
Integrated dressing room for added comfort and practicality
Compatible with wood-burning or electric heater systems
Premium thermowood construction (40 mm thickness)
Fast heat-up time – ready in approximately 1 hour
Comfortable capacity for up to 4 users
Durable bitumen shingle roof for weather protection
Internal tempered glass sauna door + external wooden door with window and lock
Thermowood benches for enhanced durability and comfort
Reinforced with stainless steel hoops and decorative wooden detailing

What Sets It Apart

The S424 goes beyond a standard sauna by incorporating a separate dressing and relaxation area, making it ideal for longer sessions and shared use.

Its oval design improves internal space and heat flow, while the larger footprint creates a more premium, spa-like environment — closer to a private wellness suite than a traditional garden sauna.

Benefits

Promotes deep relaxation and stress relief
Supports muscle recovery and improved circulation
Provides a complete wellness experience with changing space included
Efficient heat retention for consistent performance
Ideal for social use, recovery routines, and year-round outdoor wellness

Technical Specifications

Model:
S424

Construction:
Wood thickness: 40 mm
Material: Spruce or Thermowood

Dimensions

Sauna length: 4.1 m

Steam room size:
226.5 × 224 cm

Dressing room size:
173 × 224 cm

Flat-Pack Dimensions

240 × 120 × 200 cm

Internal Space

Capacity: ~4 persons
Steam room volume: ~9.9 m³
Heating time: ~1 hour

Weight

Approximate weight: ~1332 kg

What’s Included

Sauna body (spruce or thermowood construction)
Thermowood benches
Internal tempered glass sauna door
External wooden door with window and lock
Bitumen shingle roof
Roof angle detailing
Decorative wooden hoops (front and rear)
Window
Stainless steel reinforcement bands (3 pcs.)
Sauna stones (when stove is selected)

Production & Delivery

Production time: Approximately 5–6 weeks
Delivered flat-pack only
Tail-lift delivery available
Installation guidance provided

Warranty & Support

Manufacturer-backed warranty
Dedicated UK support via Pulse & Rest