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Finnish Sauna Builders Custom Indoor Sauna Room - 8' x 8' x 8'

Regular price $11,853.50
Wood type
Accessory Packages
Heater
Description

Transform your home into a premium wellness retreat with the Finnish Sauna Builders Custom Indoor Sauna Room Kit (8' x 8' x 8'). Designed for DIY builders and professional installers, this complete kit provides all precision-cut interior components needed to create an authentic Finnish sauna experience. With customizable wood options, flexible bench layouts, and compatibility with high-performance WiFi-enabled heaters, this sauna is built for comfort, durability, and long-term relaxation.

Features

◎ Complete custom indoor sauna kit with precision-cut interior components
◎ Designed for DIY installation or professional contractor builds
◎ Premium wood options: Western Red Cedar, Thermo Aspen/Alder, or Thermo Poplar
◎ Customizable bench configurations for layout flexibility and comfort
◎ Ergonomic backrests, headrest, and duckboard flooring included
◎ All-glass sauna door with wood handles and trim for a modern finish
◎ Foil vapor barrier and ventilation system for proper moisture control
◎ Marine-grade vapor-proof sauna light included
◎ Compatible with Harvia Cilindro, Virta, Virta Combi, and Club heaters
◎ WiFi-enabled heater compatibility with app-based control and scheduling
◎ Suitable for residential and commercial sauna installations

 

Specifications

◎ Product Type: Custom Indoor Sauna Room Kit
◎ Brand: Finnish Sauna Builders
◎ Sauna Size: 8' x 8' x 8'
◎ Installation Type: Indoor
◎ Capacity: Approx. 4–6 persons
◎ Recommended Ceiling Height: 8 ft
◎ Wall & Ceiling Material: 1×4 tongue-and-groove boards
◎ Bench Depth: 20"
◎ Door Type: All-glass tempered sauna door
◎ Door Frame Size: 27.2" W × 78.7" H
◎ Glass Size: 24.4" W × 77.3" H
◎ Rough Opening Required: 28" W × 80" H
◎ Lighting: Marine-grade vapor-proof sauna light
◎ Ventilation: Upper and lower vent grills included
◎ Flooring: Matching duckboard flooring included

Heater Compatibility & Key Differences

◎ Harvia Cilindro: 11 kW (highest output, large-room performance)
◎ Harvia Virta & Virta Combi: 10.5 kW wall-mounted WiFi heaters
◎ Harvia Club: 10 kW commercial-grade floor-standing heater
◎ All models include WiFi app control and scheduling
◎ Heater stones included with all compatible models
◎ Virta Combi includes integrated steam generator
◎ Virta and Virta Combi include protective safety railing

Heater Options
Feature Harvia Cilindro 11KW Harvia Club 10KW Harvia Virta 10.5KW Harvia Virta Combi 10.5KW
Product Image Harvia Cilindro 11KW Sauna Heater Harvia Club 10KW Sauna Heater Harvia Virta 10.5KW Sauna Heater Harvia Virta Combi 10.5KW Sauna Heater
Power Output 11 KW 10 KW 10.5 KW 10.5 KW
Brand Harvia Harvia Harvia Harvia
Control Type WiFi Control WiFi Control WiFi Control WiFi Control
WiFi Connectivity ✅ Yes ✅ Yes ✅ Yes ✅ Yes
Heater Stones Included ✅ Yes ✅ Yes ✅ Yes ✅ Yes
Railing Included ❌ No ❌ No ✅ Yes ✅ Yes
Combi Steam Function ❌ No ❌ No ❌ No ✅ Yes
Model Series Cilindro Series Club Series Virta Series Virta Combi Series
Model Cilindro Club Virta Virta Combi
Remote Control App-based via WiFi App-based via WiFi App-based via WiFi App-based via WiFi

Harvia Cilindro 11KW WiFi

Harvia Cilindro 11KW Sauna Heater Power Output 11 KW Brand Harvia Control Type WiFi Control WiFi Connectivity ✅ Yes Heater Stones Included ✅ Yes Railing Included ❌ No Combi Steam Function ❌ No Model Series Cilindro Series Model Cilindro Remote Control App-based via WiFi

Harvia Club 10KW WiFi

Harvia Club 10KW Sauna Heater Power Output 10 KW Brand Harvia Control Type WiFi Control WiFi Connectivity ✅ Yes Heater Stones Included ✅ Yes Railing Included ❌ No Combi Steam Function ❌ No Model Series Club Series Model Club Remote Control App-based via WiFi

Harvia Virta 10.5KW WiFi with Railing

Harvia Virta 10.5KW Sauna Heater Power Output 10.5 KW Brand Harvia Control Type WiFi Control WiFi Connectivity ✅ Yes Heater Stones Included ✅ Yes Railing Included ✅ Yes Combi Steam Function ❌ No Model Series Virta Series Model Virta Remote Control App-based via WiFi

Harvia Virta Combi 10.5KW WiFi with Railing

Harvia Virta Combi 10.5KW Sauna Heater Power Output 10.5 KW Brand Harvia Control Type WiFi Control WiFi Connectivity ✅ Yes Heater Stones Included ✅ Yes Railing Included ✅ Yes Combi Steam Function ✅ Yes Model Series Virta Combi Series Model Virta Combi Remote Control App-based via WiFi
Includes

◎ Foil vapor barrier
◎ 1×4 tongue-and-groove wall and ceiling boards (selected wood)
◎ 20" deep bench boards with supports (custom configuration)
◎ Ergonomic backrests
◎ Corner moldings and trim (matching wood)
◎ All-glass sauna door with wood handles and trim
◎ Duckboard flooring
◎ Upper and lower vent grills
◎ Sauna bucket with liner and ladle
◎ Sauna thermometer
◎ Headrest
◎ Marine-grade vapor-proof sauna light
◎ Installation instructions
◎ Heater stones (with compatible heater purchase)

Important Notes

◎ Your sauna shipment will include an all-glass door, though some photos may display a glass wall for reference.

◎ Backrests are shipped flat; angled positioning can be achieved on-site using spacers if desired.

◎ Wall boards run in a standard horizontal direction unless room width exceeds 8 ft; in that case, an interior seam will be added where boards meet to span the width.

Dimensions

Sauna Room Dimensions

◎ Width: 8 ft
◎ Depth: 8 ft
◎ Height: 8 ft

Door Dimensions

◎ Frame Size: 27.2" W × 78.7" H
◎ Glass Size: 24.4" W × 77.3" H
◎ Rough Opening Required: 28" W × 80" H

Bench Dimensions

◎ Bench Depth: 20"

Warranty

Finnish Sauna Builders sauna room kits include a manufacturer warranty covering defects in materials and workmanship under normal residential use. Heater systems and electrical components (including Harvia models) are covered under their respective manufacturer warranties.

Shipping

Enjoy free shipping across the USA. Your Custom Indoor Sauna Room Kit will be processed and shipped within 2–7 business days and delivered to you between 7–21 business days.