SaunaLife GL4 Outdoor Sauna Kit | 4 Person Thermo-Spruce Garden Sauna

Description

The SaunaLife GL4 Outdoor Sauna Kit is a premium Garden Luxury-Series Scandinavian sauna designed for modern backyards. Built with extra-thick Thermo-Spruce and a full-height bronze tempered glass front, the GL4 combines contemporary architecture with authentic sauna craftsmanship.

Designed for up to four bathers, this modular outdoor sauna kit features a spacious interior, integrated porch, and professional-grade materials engineered to withstand outdoor weather conditions.

The GL4 delivers a true Nordic sauna experience with the flexibility of a high-quality DIY installation.

Premium Thermo-Spruce Construction

The GL4 is constructed using 1.57” thick Thermo-Spruce, thermally treated for enhanced durability and moisture resistance.

• 1.57” thick Thermo-Spruce walls
• Extra-thick Thermo-Spruce roof panels
• 1.1” Thermo-Spruce porch and floor boards
• Interlocking-beam construction
• Black fascia boards and modern trim
• Black metal flashing for water management
• Self-adhesive roofing felt included

Thermal treatment increases resistance to decay, moisture, and fungi while extending the lifespan far beyond conventional wood.

Modern Scandinavian Design

• Full-height bronze tempered glass front
• 5/16” thick tempered glass door
• Black painted frames and door pull
• Integrated horizontal eaves
• Built-in covered porch
• Contemporary architectural profile

The expansive glass front provides natural light and an open, spacious feel while maintaining heat retention.

Interior Comfort & Seating

• Ergonomic 2-tier thermo-hardwood benches
• Knot-free, satin-smooth seating
• Contoured bench design
• Matching backrests

Upper Bench
54” W x 23.6” D

Lower Bench
54” W x 12.5” D

Designed for comfort during longer sauna sessions.

Integrated LED Lighting System

• Recessed exterior LED lighting beneath eaves
• Indirect interior LED lighting
• Wi-Fi app control
• Wireless handheld remote
• Diffused, dotless light design

Exterior lighting safely illuminates the entry, while interior lighting highlights the natural wood grain.

Built for All Weather Conditions

• Tempered glass front for thermal containment
• Thick Thermo-Spruce wall system
• Integrated drainage system
• Ventilation system included
• Ground frame foundation system

Engineered for long-term outdoor durability in varying climates.

DIY Installation

• Designed for 2-person installation
• Approximate build time: 2 days
• All construction materials included
• Screws and fasteners provided
• Detailed assembly instructions

Professional-quality results without professional installation.

Features

• Premium 1.57" thick Nordic Thermo-Spruce walls 
• Modern architectural design with horizontal eaves and integrated porch
• Black exterior trim that complements and accentuates the modern design
• Full-width LED exterior light strip integrated in eaves 
• LED interior light system controlled by Wi-Fi app or hand-held remote
• Engineered for pro-quality DIY sauna install (2-persons, 2-days) 
• Interlocking-beam construction allows natural expansion and contraction of panels
• Extra-thick, silky-smooth ergonomically designed 2-tier seating for superior durability and comfort 
• Full bronze tempered-glass front (5/16” thick) and reversable door with full-height door pull

What’s Included

Sauna Structure Package

• Thermo-Spruce wall boards (1.57”)
• Thermo-Spruce roof panels
• Thermo-Spruce porch boards
• Thermo-Spruce floor boards
• Tempered bronze glass door
• Tempered bronze glass windows
• 2-tier thermo-hardwood benches
• Backrests
• Black fascia boards
• Black metal flashing
• Ground frame
• Self-adhesive roofing felt
• Ventilation system
• Drainage system
• Screws and fasteners
• Assembly instructions

Lighting System

• Recessed exterior LED lighting
• Indirect interior LED lighting
• Wi-Fi app-based control
• Wireless handheld remote

Specifications

Technical 

Why Choose the SaunaLife GL4?

The GL4 is ideal for homeowners who want:

• A luxury outdoor garden sauna
• Modern Scandinavian architectural design
• Premium Thermo-Spruce durability
• Integrated porch and glass front
• Smart Wi-Fi controlled lighting
• Professional DIY results

The SaunaLife GL4 blends timeless Nordic tradition with modern outdoor architecture, creating a refined backyard wellness retreat.