Outdoor Sauna | SaunaLife GL4 Cabin Kit 4-Person Thermo-Spruce
4-Person | 1.57" Thermo-Spruce Construction | Bronze Glass Front | Handcrafted in Northern Europe
The SaunaLife Garden Luxury-Series Model GL4 Outdoor Sauna Kit is a premium four-person backyard sauna featuring thick Nordic Thermo-Spruce construction, contoured two-tier seating, a full bronze-glass front, and Wi-Fi-enabled LED lighting. Its contemporary linear profile, integrated porch, extended horizontal eaves, and contrasting black trim create an architectural outdoor sauna designed to complement modern homes and elevated backyard wellness spaces.
Inside, satin-smooth thermo-hardwood benches and backrests provide comfortable upper and lower seating for up to four bathers. The expansive tempered bronze-glass door and window bring natural light into the sauna while preserving the warm, enclosed atmosphere of a traditional sauna room. A compatible sauna heater, control system, and stones are required for operation and are sold separately.
Who This Is For
The GL4 Outdoor Sauna is ideal for homeowners who want a luxury outdoor sauna cabin with architectural presence in a compact footprint. It suits couples, small families, and wellness-focused households looking for a premium backyard sauna that fits smaller patios and garden spaces.
Why Choose the SaunaLife GL4 Outdoor Sauna
- Luxury outdoor sauna designed for up to 4 people
- Compact footprint for smaller backyards, patios, and garden spaces
- Premium 1.57" thick Nordic Thermo-Spruce walls
- Contoured upper and lower sauna benches
- Full-height tempered bronze-glass door and window
- Integrated front porch with extended horizontal eaves
- Wi-Fi-enabled interior and exterior LED lighting
- Engineered for a professional-quality DIY installation
- Designed by SaunaLife and handcrafted in Northern Europe
Key Features
- Model GL4 outdoor sauna kit — Garden Luxury-Series
- Up to 4 person capacity
- Modern rectangular cabin design with integrated porch and extended roof eaves
- Black exterior trim and fascia accents
- Interlocking-beam construction that accommodates natural wood movement
- 1.57" thick Thermo-Spruce wall and roof boards
- 1.1" thick Thermo-Spruce floor and porch boards
- Extra-thick, ergonomically contoured two-tier seating
- Satin-smooth thermo-hardwood benches and backrests
- Full tempered bronze-glass front
- Reversible glass entry door with full-height black handle
- Full-width exterior LED lighting beneath the eaves
- Indirect interior LED lighting behind the seating area
- Wi-Fi app control and wireless handheld remote
- Integrated ventilation and drainage systems
- Roofing membrane and metal flashing included
Recommended Sauna Heaters
The GL4 requires a compatible sauna heater sized for the interior volume (sold separately). Recommended options for this 4-person cabin:
- HUUM DROP 6kW Sauna Heater
- Harvia The Wall SW80 (Black)
- Harvia The Wall SWS80 (Stainless Steel)
- Saunum Air 7 Sauna Heater with Climate Equalizer
- Harvia Cilindro Half PC60 6kW
Specifications
- SKU: SL-MODELGL4
- GTIN/Barcode: 810179574574
- Model: GL4
- Series: Garden Luxury-Series
- Capacity: Up to 4 Persons
- Construction Material: Nordic Thermo-Spruce
- Wall Thickness: 1.57"
- Glass Style: Tempered Bronze Glass
- Window Glass Thickness: 0.24"
- Door Glass Thickness: 0.31"
- Exterior Dimensions: 58.9" W x 79.5" D x 85.1" H
- Interior Dimensions: 55.5" W x 59.1" D x 76" H
- Porch Dimensions: 58.9" W x 14.6" D
- Door Dimensions: 27.6" W x 74.8" H
- Window Dimensions: 24.6" W x 72.4" H
- Upper Bench Dimensions: 54" W x 23.6" D
- Lower Bench Dimensions: 54" W x 12.5" D
- Product Weight: ~1,650 lbs
- Shipping Dimensions: 83" W x 43" D x 32" H
- Shipping Weight: ~1,830 lbs
What's Included
- 1.57" thick Thermo-Spruce wall boards
- Tempered bronze-glass door with long black handle
- Tempered bronze-glass front window with black frame
- Two-tier thermo-hardwood sauna benches and backrest
- 1.57" thick Thermo-Spruce roof boards
- 1.1" thick Thermo-Spruce porch and floor boards
- Black fascia boards and black metal flashing
- Ground frame
- Self-adhesive roofing membrane
- Ventilation system
- Drainage system
- Heater guard components
- Screws, fasteners, and assembly hardware
- Recessed exterior white LED lighting
- Indirect interior white LED lighting
- Wi-Fi app-based lighting control and wireless handheld remote
- Installation instructions
Note: Sauna heater, controller, stones, and electrical components are sold separately.
Shipping & Delivery
Free freight shipping is included for delivery within the contiguous United States. The GL4 ships as a large, heavy crated sauna kit by scheduled curbside freight delivery. In-stock orders typically ship within 4–7 business days. This product is currently on backorder with an estimated ship date of August 28, 2026 — orders placed now will be fulfilled in the order received once stock arrives.
- Shipping Dimensions: 83" W x 43" D x 32" H
- Shipping Weight: ~1,830 lbs
- Delivery is curbside only — carrier lowers to ground level
- Heater systems may ship in a protective box on top of the crate at no additional charge
- An additional freight charge may apply for secondary pallets required for heavy or fragile heaters
Installation Notes
- Requires a level, stable foundation — concrete pad, pavers, or reinforced deck recommended
- Interlocking-beam construction designed for DIY assembly by two people
- Electrical power required for heater and lighting system
- Installation by a licensed electrician is required and must comply with local codes and manufacturer guidelines
- Review applicable local building, electrical, zoning, and permit requirements
Warranty
Prime Regeneration is an authorized retailer of SaunaLife products. Full manufacturer warranty coverage applies. See the SaunaLife Manufacturer Warranty (PDF).
Manuals & Documentation
- GL4 Installation Manual (PDF)
- GL4 Dimension Sheet (PDF)
- GL4 Floor Plan
- SaunaLife Care Guide (PDF)
- Manufacturer Warranty (PDF)
FAQ
Does the GL4 come with a sauna heater?
No. The heater, controller, and stones are sold separately. See our Recommended Sauna Heaters section above for compatible options.
How long does the GL4 take to assemble?
Two people with moderate DIY experience can complete assembly in approximately two days using the interlocking-beam construction system.
What wood is used in the GL4?
The walls are 1.57" thick Nordic Thermo-Spruce — thermally modified for superior outdoor durability, moisture resistance, and dimensional stability.
Does the GL4 include lighting?
Yes. Recessed exterior LED lighting beneath the eaves and indirect interior LED lighting with Wi-Fi app control and a wireless handheld remote are included.
Is shipping included?
Yes. Free freight shipping is included for delivery within the contiguous United States. Delivery is by appointment — curbside only.
Is financing available?
Yes. Financing options are available for this purchase. Contact us or proceed to checkout to explore available financing plans.
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