SaunaLife GL4 Outdoor Sauna Kit Garden Luxury-Series 4 Person DIY Sauna made from Thermo-Spruce with modern Scandinavian design, full glass front and outdoor porch
SaunaLife GL4 Outdoor 4 Person Sauna Kit Thermo-Spruce Garden Luxury-Series DIY backyard sauna with bronze glass front and modern Scandinavian design
Modern SaunaLife GL4 outdoor sauna kit for 4 people, Thermo-Spruce wood DIY sauna with luxury Scandinavian design and panoramic glass front
SaunaLife GL4 4-person outdoor sauna kit Garden Luxury-Series with Thermo-Spruce construction, porch seating and full glass front for backyard wellness
SaunaLife GL4 Outdoor Sauna Kit – 4 Person Luxury Garden Sauna DIY Thermo-Spruce with Panoramic Glass Front
Experience modern outdoor wellness with the SaunaLife GL4 4-person sauna kit. Crafted from premium Thermo-Spruce with a full glass front, porch seating, and Scandinavian design for luxury backyard relaxation.
SaunaLife GL4 Outdoor Sauna Kit 4 person luxury DIY garden sauna made from Thermo-Spruce wood with modern Scandinavian design and full glass front
SaunaLife GL4 4 person outdoor sauna kit Thermo-Spruce backyard sauna with panoramic glass front and modern Scandinavian style
Luxury SaunaLife GL4 outdoor sauna for 4 people DIY sauna kit with Thermo-Spruce wood and glass front for garden wellness
SaunaLife GL4 garden sauna kit 4 person outdoor sauna cabin made from Thermo-Spruce with porch and full glass front design
SaunaLife GL4 4 person outdoor sauna kit luxury Thermo-Spruce DIY garden sauna with modern Scandinavian design and full glass front

SaunaLife

SaunaLife Model GL4 4-Person Garden Luxury Series Outdoor Sauna Kit

Sale price$9,490.00 Regular price$10,490.00
Save $1,000.00
Model: GL4

SaunaLife Model GL4 4 Person Garden Luxury Series Outdoor Sauna Kit

The SaunaLife Model GL4 Outdoor Sauna Kit is a modern outdoor sauna designed for up to four people. It features a contemporary design with an integrated porch, horizontal eaves, black exterior trim, and a full bronze tempered-glass front.

The GL4 is constructed from 1.57" thick Nordic Thermo-Spruce using an interlocking-beam construction method. Inside, it features smooth 2-tier thermo-hardwood benches and backrests, while the insulated construction, ventilation, drainage, and roofing system are designed for outdoor use.

Features

Feature Details
Capacity Up to 4 people
Construction 1.57" thick Nordic Thermo-Spruce
Design Contemporary architectural design with integrated porch and eaves
Glass Front Full bronze tempered-glass front with reversible door
Door 5/16" bronze tempered glass with full-height black handle
Windows 1/4" bronze tempered glass with black painted frames
Benches 2-tier thermo-hardwood benches and backrests
Construction Method Interlocking-beam construction
Exterior Lighting Full-width recessed LED strip integrated into the eaves
Interior Lighting Indirect LED lighting controlled by Wi-Fi app or wireless remote
Roofing Self-adhesive roofing felt with metal flashing
Ventilation Ventilation system included
Drainage Drainage system included
Installation DIY kit designed for two people to assemble in approximately two days

Thermo-Spruce Construction

The GL4 uses 1.57" thick Nordic Thermo-Spruce with an interlocking-beam construction. This construction allows the wood panels to naturally expand and contract while maintaining a secure fit.

Thermo-Spruce is used for the wall boards, floor boards, roof boards, and porch boards. The kit also includes a ground frame, metal flashing, and self-adhesive roofing felt for the outdoor structure.

Interior and Seating

The GL4 features 2-tier thermo-hardwood benches and backrests with smooth, knot-free surfaces. The upper and lower benches provide two seating levels inside the sauna.

Bench Dimensions
Upper Bench 54" W x 23.6" D
Lower Bench 54" W x 12.5" D

Bronze Tempered Glass

The GL4 features a full bronze tempered-glass front with a reversible door. The windows are 0.24" thick and the door is 0.31" thick. The door includes a full-height black handle.

LED Lighting

Lighting Feature Details
Exterior Lighting Full-width recessed LED strip integrated into the eaves
Interior Lighting Indirect LED lighting
Control Wi-Fi app and wireless handheld remote

What's Included

Included Item Details
Sauna Kit SaunaLife GL4 Outdoor Sauna Kit
Wall Boards 1.57" thick Thermo-Spruce wall boards
Floor Boards 1.1" thick Thermo-Spruce floor boards
Roof Boards 1.57" thick Thermo-Spruce roof boards
Porch Boards 1.1" thick Thermo-Spruce porch boards
Door Tempered bronze glass door with long black painted handle
Windows Tempered bronze glass windows with black painted frames
Benches and Backrests 2-tier thermo-hardwood benches and backrests
Fascia Black fascia boards
Flashing Black metal flashing
Ground Frame Ground frame
Roofing Self-adhesive roofing felt
Ventilation Ventilation system
Drainage Drainage system
Hardware Screws and other fasteners
LED Light System White LED light system with Wi-Fi app and wireless handheld remote
Instructions Assembly instructions

Specifications

Specification Details
Model GL4
Capacity Up to 4 people
Construction Material Thermo-Spruce
Product Weight 1,650 lbs (748.5 kg)
Exterior Dimensions 58.9" W x 79.5" D x 85.1" H (149.6 x 201.9 x 216.1 cm)
Interior Dimensions 55.5" W x 59.1" D x 76" H (141 x 150 x 193 cm)
Upper Bench 54" W x 23.6" D (137 x 60 cm)
Lower Bench 54" W x 12.5" D (137 x 32 cm)
Glass Style Tempered Bronze Glass
Glass Thickness 0.24" Windows, 0.31" Door
Door Dimensions 27.6" W x 74.8" H (70 x 190 cm)
Window Dimensions 24.6" W x 72.4" H (62 x 184 cm)
Porch Dimensions 58.9" W x 14.6" D (149.6 x 37.1 cm)

Heater and Electrical

The sauna heater is purchased separately. SaunaLife specifies a 220-240V hardwired connection with a dedicated breaker for the sauna heater. Dedicated 120V power is also required for accessories such as lighting and controls. Confirm the exact amperage and wire size with a qualified electrician based on the selected heater.

Your SaunaLife sauna is delivered as a DIY assembly kit, securely packaged on a large pallet and shipped via LTL freight. Before delivery, the freight carrier will contact you to schedule a convenient delivery appointment.

Curbside Delivery: The driver will lower the pallet to ground level at the curb. From there, you can move the individual sauna components to your desired installation location. Most panels and components can be comfortably handled by two people. At the driver's discretion, the shipment may be placed inside a nearby garage if access and conditions permit.

Each shipment includes tracking updates and protective packaging to help ensure your sauna arrives safely and securely.

Shipping Rates

  • 48 Contiguous United States: $950 flat-rate shipping
  • Canada: $1,250 flat-rate shipping
  • Other locations: Contact us for a customized shipping quote

The shipping rate includes transportation of the sauna heater and any additional accessories included with your order.

Delivery & Assembly

All SaunaLife shipments are handled through LTL freight services, which require a scheduled delivery appointment. You will be contacted in advance to coordinate your delivery.

Once delivered, most SaunaLife saunas can be assembled by two people in less than a day, depending on the model and site conditions.

If you have any questions about shipping, delivery, or assembly, please contact our team—we’re happy to help.

Every Sauna Life sauna is protected by a Limited Lifetime Warranty covering the sauna structure and factory-assembled components against defects in workmanship under normal residential use.

Heater warranties are provided directly by the manufacturer and vary by brand:

Harvia: 2 years residential warranty

HUUM: Limited 3-year residential warranty (excluding heating elements)

Saunum: 2 years residential warranty

Warranty

SaunaLife Model GL4 4 Person Garden Luxury Series Outdoor Sauna Kit

The SaunaLife Model GL4 Outdoor Sauna Kit is a modern outdoor sauna designed for up to four people. It features a contemporary design with an integrated porch, horizontal eaves, black exterior trim, and a full bronze tempered-glass front.

The GL4 is constructed from 1.57" thick Nordic Thermo-Spruce using an interlocking-beam construction method. Inside, it features smooth 2-tier thermo-hardwood benches and backrests, while the insulated construction, ventilation, drainage, and roofing system are designed for outdoor use.

Features

Feature Details
Capacity Up to 4 people
Construction 1.57" thick Nordic Thermo-Spruce
Design Contemporary architectural design with integrated porch and eaves
Glass Front Full bronze tempered-glass front with reversible door
Door 5/16" bronze tempered glass with full-height black handle
Windows 1/4" bronze tempered glass with black painted frames
Benches 2-tier thermo-hardwood benches and backrests
Construction Method Interlocking-beam construction
Exterior Lighting Full-width recessed LED strip integrated into the eaves
Interior Lighting Indirect LED lighting controlled by Wi-Fi app or wireless remote
Roofing Self-adhesive roofing felt with metal flashing
Ventilation Ventilation system included
Drainage Drainage system included
Installation DIY kit designed for two people to assemble in approximately two days

Thermo-Spruce Construction

The GL4 uses 1.57" thick Nordic Thermo-Spruce with an interlocking-beam construction. This construction allows the wood panels to naturally expand and contract while maintaining a secure fit.

Thermo-Spruce is used for the wall boards, floor boards, roof boards, and porch boards. The kit also includes a ground frame, metal flashing, and self-adhesive roofing felt for the outdoor structure.

Interior and Seating

The GL4 features 2-tier thermo-hardwood benches and backrests with smooth, knot-free surfaces. The upper and lower benches provide two seating levels inside the sauna.

Bench Dimensions
Upper Bench 54" W x 23.6" D
Lower Bench 54" W x 12.5" D

Bronze Tempered Glass

The GL4 features a full bronze tempered-glass front with a reversible door. The windows are 0.24" thick and the door is 0.31" thick. The door includes a full-height black handle.

LED Lighting

Lighting Feature Details
Exterior Lighting Full-width recessed LED strip integrated into the eaves
Interior Lighting Indirect LED lighting
Control Wi-Fi app and wireless handheld remote

What's Included

Included Item Details
Sauna Kit SaunaLife GL4 Outdoor Sauna Kit
Wall Boards 1.57" thick Thermo-Spruce wall boards
Floor Boards 1.1" thick Thermo-Spruce floor boards
Roof Boards 1.57" thick Thermo-Spruce roof boards
Porch Boards 1.1" thick Thermo-Spruce porch boards
Door Tempered bronze glass door with long black painted handle
Windows Tempered bronze glass windows with black painted frames
Benches and Backrests 2-tier thermo-hardwood benches and backrests
Fascia Black fascia boards
Flashing Black metal flashing
Ground Frame Ground frame
Roofing Self-adhesive roofing felt
Ventilation Ventilation system
Drainage Drainage system
Hardware Screws and other fasteners
LED Light System White LED light system with Wi-Fi app and wireless handheld remote
Instructions Assembly instructions

Specifications

Specification Details
Model GL4
Capacity Up to 4 people
Construction Material Thermo-Spruce
Product Weight 1,650 lbs (748.5 kg)
Exterior Dimensions 58.9" W x 79.5" D x 85.1" H (149.6 x 201.9 x 216.1 cm)
Interior Dimensions 55.5" W x 59.1" D x 76" H (141 x 150 x 193 cm)
Upper Bench 54" W x 23.6" D (137 x 60 cm)
Lower Bench 54" W x 12.5" D (137 x 32 cm)
Glass Style Tempered Bronze Glass
Glass Thickness 0.24" Windows, 0.31" Door
Door Dimensions 27.6" W x 74.8" H (70 x 190 cm)
Window Dimensions 24.6" W x 72.4" H (62 x 184 cm)
Porch Dimensions 58.9" W x 14.6" D (149.6 x 37.1 cm)

Heater and Electrical

The sauna heater is purchased separately. SaunaLife specifies a 220-240V hardwired connection with a dedicated breaker for the sauna heater. Dedicated 120V power is also required for accessories such as lighting and controls. Confirm the exact amperage and wire size with a qualified electrician based on the selected heater.

Your SaunaLife sauna is delivered as a DIY assembly kit, securely packaged on a large pallet and shipped via LTL freight. Before delivery, the freight carrier will contact you to schedule a convenient delivery appointment.

Curbside Delivery: The driver will lower the pallet to ground level at the curb. From there, you can move the individual sauna components to your desired installation location. Most panels and components can be comfortably handled by two people. At the driver's discretion, the shipment may be placed inside a nearby garage if access and conditions permit.

Each shipment includes tracking updates and protective packaging to help ensure your sauna arrives safely and securely.

Shipping Rates

  • 48 Contiguous United States: $950 flat-rate shipping
  • Canada: $1,250 flat-rate shipping
  • Other locations: Contact us for a customized shipping quote

The shipping rate includes transportation of the sauna heater and any additional accessories included with your order.

Delivery & Assembly

All SaunaLife shipments are handled through LTL freight services, which require a scheduled delivery appointment. You will be contacted in advance to coordinate your delivery.

Once delivered, most SaunaLife saunas can be assembled by two people in less than a day, depending on the model and site conditions.

If you have any questions about shipping, delivery, or assembly, please contact our team—we’re happy to help.

Every Sauna Life sauna is protected by a Limited Lifetime Warranty covering the sauna structure and factory-assembled components against defects in workmanship under normal residential use.

Heater warranties are provided directly by the manufacturer and vary by brand:

Harvia: 2 years residential warranty

HUUM: Limited 3-year residential warranty (excluding heating elements)

Saunum: 2 years residential warranty

Warranty

FAQ

Consider your available installation space, whether you need an indoor or outdoor sauna, the number of users, sauna style, foundation requirements, delivery access, assembly requirements, heater and electrical needs, local climate, ventilation, and desired features such as panoramic windows, porches, changing rooms, or lighting systems.

SaunaLife currently states that its sauna environments are covered by a limited lifetime warranty. Warranty terms, exclusions, and coverage details apply, and customers should review the official SaunaLife warranty for complete information about their specific sauna.

Some SaunaLife barrel saunas use stainless-steel bands to secure the staves. Inspect the bands and sauna structure periodically and follow the manufacturer's maintenance guidance for adjustments and seasonal care.

SaunaLife exterior wood care depends on the collection and wood type. Some models include thermally modified wood or treated exterior components that have their own care requirements. Always follow the SaunaLife Care Guide and recommendations for your specific sauna rather than applying a generic treatment.

Regular maintenance includes keeping the sauna clean and dry, allowing the interior to air out after use, inspecting the exterior and roof, maintaining proper drainage around the foundation, and following the SaunaLife Care Guide for the specific materials and model.

Some SaunaLife models include a Wi-Fi-controlled LED light bar system. Availability varies by model, so check the individual product specifications.

Features vary by model. Some SaunaLife saunas include LED lighting systems, and selected models support optional lighting systems such as mood or sconce lighting. Always check the product specifications to confirm included and optional lighting features.

Heat-up time varies based on sauna size, heater output, starting temperature, and weather conditions. Outdoor saunas in colder weather may take longer to reach the desired temperature. Review the heater and sauna specifications for model-specific guidance.

The maximum operating temperature depends primarily on the heater, control system, and sauna configuration. Traditional saunas can generally reach high temperatures suitable for a traditional sauna experience, but always follow the temperature limits and operating instructions provided by the heater manufacturer.

Cold-weather performance depends on the sauna design, construction, heater size, outdoor temperature, and wind conditions. Outdoor sauna owners should expect longer heat-up times during very cold weather. Selecting the properly sized heater and following installation guidelines are important for reliable performance.

Yes. Outdoor SaunaLife saunas are designed for outdoor use throughout the year when installed and maintained according to the manufacturer's requirements. Heat-up time and energy use can vary depending on the weather, heater, and sauna model.

Yes. Proper ventilation is important for air circulation and sauna performance. Many SaunaLife models include air intake and exhaust vents. Follow the ventilation configuration and installation instructions provided for your specific model.

Weight varies significantly by model. Smaller sauna kits may weigh around 1,000 pounds, while larger garden sauna rooms can weigh several thousand pounds. Always review the exact product specifications when planning delivery, foundation, or deck installation.

Some SaunaLife saunas may be installed on a properly engineered deck capable of supporting the total weight of the sauna, occupants, and equipment. The deck must be level and structurally adequate. Always confirm the specific sauna's weight and foundation requirements before installation.

Yes. Outdoor SaunaLife saunas require a stable, level, and properly prepared installation surface. Depending on the model, the manufacturer may recommend concrete blocks, strips over compacted gravel, a suitable terrace, pavement, or another properly engineered foundation. The sauna should also be installed according to the model's specific site requirements.

Tool requirements vary by model. Installation manuals list the required tools and hardware. Always review the assembly instructions for your exact sauna before installation.

Assembly time depends on the model, number of people assembling it, experience level, site preparation, and whether electrical work is required. Review the installation manual and plan adequate time before delivery.

Assembly difficulty varies by sauna model. Smaller kits may be manageable for experienced DIY customers, while larger barrel, cube, or garden sauna kits require more time, planning, and assistance. Carefully review the installation manual before beginning assembly.

Many SaunaLife sauna kits are designed for assembly at the installation location and include installation instructions. Assembly time and difficulty vary significantly by model. Larger components, glass panels, and certain installation steps may require two or more people or professional assistance.

Yes, when using a compatible traditional electric or wood-burning sauna heater with sauna stones. Pouring a small amount of water over heated stones creates steam and increases humidity. Always follow the heater manufacturer's instructions.

This depends on the specific SaunaLife product and package. Some product packages include a heater, while others require the heater to be selected separately. Always review the individual product listing to confirm what is included.

Heater compatibility depends on the sauna model and package. Traditional SaunaLife saunas may be paired with compatible electric sauna heaters, while certain outdoor models may support other heating options. Always select a heater that matches the sauna's size and manufacturer specifications.

On selected SaunaLife models, Thermo-Aspen is used for interior benches and backrests. It provides a smooth, knot-free seating surface on models designed with Thermo-Aspen interior components.

Thermo-Spruce is spruce that has been thermally modified through a heat-treatment process. This process changes the wood's properties and is used to improve its stability and suitability for demanding environments.

Wood materials vary by SaunaLife collection and model. Depending on the sauna, materials may include Thermo-Spruce, Thermo-Aspen, spruce, and other sauna-grade woods. Always review the specifications for the exact model to confirm its construction materials.

SaunaLife offers both indoor and outdoor sauna models. Always check the individual product specifications to confirm the intended installation environment before purchasing.

SaunaLife offers a range of traditional sauna environments, including outdoor barrel saunas, cube saunas, garden saunas, and indoor sauna models. Available sizes, layouts, materials, and features vary by collection and model.

Shipping

Orders are usually processed within 1 business day and delivered within 3–5 business days, depending on your location and the shipping carrier schedule. Large sauna units are shipped via freight delivery.

Your sauna will be delivered via curbside freight delivery. This means the carrier will deliver it to the nearest accessible point outside your home or building (such as your driveway or curb).

Other

Yes. Once your order ships, you will receive full tracking details so you can follow your delivery step by step.

Yes. Every SaunaLife sauna is protected by a Limited Lifetime Warranty covering the sauna structure and factory-assembled components against defects in workmanship under normal residential use.

Due to the size, handling, and special shipping requirements of sauna units, all sales are considered final. However, if your product arrives damaged or defective, we will arrange a replacement or resolution at no extra cost.

Orders can be canceled within 24 hours of purchase, as long as they have not yet been processed or shipped.

We accept all major credit cards and secure online payment methods to ensure a safe and smooth checkout experience.

Yes. Our support team is available to assist you after your purchase with setup guidance, delivery questions, and product support to ensure a smooth experience.