Finnish Sauna Builders Custom 8' x 8' x 8' Indoor Sauna Kit

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Finnish Sauna Builders Custom 8' x 8' x 8' Indoor Sauna Kit

$11,853.50

Specifications

Specification	Details
Dimensions	8' x 8' x 8'
Installation Type	Indoor, Built-In
Wood Options	Western Red Cedar, Thermo Poplar, Thermo Aspen/Alder
Wall & Ceiling Boards	1×4 Tongue & Groove
Bench Depth	20 inches
Door Type	All-Glass Sauna Door
Door Frame Size	27.2″ × 78.7″
Glass Size	24.4″ × 77.3″
Rough Opening Required	28″ × 80″
Lighting	Marine-Grade Vapor-Proof Wall Light
Flooring	Matching Wood Duckboard
Ventilation	Upper and Lower Vent Grills
Recommended Ceiling Height	8 ft

Description

The Finnish Sauna Builders 8' x 8' x 8' Custom Indoor Sauna Kit is a precision-cut interior sauna system designed for installation inside a properly framed and insulated space.

This pre-cut DIY sauna kit includes interior wall and ceiling boards, bench materials, duckboard flooring, ventilation components, vapor barrier, and a full glass sauna door system. Framing, insulation, electrical wiring, exterior wall finish, and sauna heater are supplied separately.

Available in Western Red Cedar, Thermo Aspen/Alder, or Thermo Poplar, each wood option is selected for dimensional stability, moisture resistance, and long-term durability in high-temperature sauna environments.

Features

• Pre-cut interior materials for 8' x 8' x 8' room
• 1×4 tongue & groove wall and ceiling boards
• 20″ deep bench boards with supports
• All-glass sauna door with wood trim
• Foil vapor barrier included
• Marine-grade vapor-proof wall light
• Upper and lower ventilation grills
• Matching duckboard flooring
• Backrests, thermometer, bucket, ladle, and headrest

What’s Included

• Interior wall and ceiling boards
• Bench boards and supports
• All-glass sauna door
• Vapor barrier
• Duckboard flooring
• Backrests
• Vent grills
• Sauna light
• Bucket and ladle
• Thermometer
• Headrest
• Installation instructions

Required for Operation

• Sauna heater (10KW–11KW class recommended)
• Electrical connection by licensed electrician
• Framing and insulation
• Exterior wall covering

Documentation

Manual Links:

Heater Chart

Feature	Harvia Cilindro 11KW	Harvia Club 10KW	Harvia Virta 10.5KW	Harvia Virta Combi 10.5KW
Product Image
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

Key Differences

Power Output:

Harvia Cilindro: Highest output at 11 KW — ideal for the largest sauna rooms
Harvia Virta & Virta Combi: 10.5 KW — powerful performance with premium features
Harvia Club: 10 KW — strong output in a commercial-grade floor-standing design

Control & Connectivity:

All four models feature full WiFi connectivity with app-based remote control and scheduling

Design & Model Series:

Cilindro Series: Iconic tall cylindrical design with massive stone capacity — the highest output in this lineup at 11 KW
Club Series: Floor-standing commercial-grade design built for high-capacity and heavy-duty use at 10 KW
Virta Series: Premium wall-mounted heater with WiFi, safety railing, and 10.5 KW output
Virta Combi Series: Everything the Virta offers, plus an integrated steam generator for a combined sauna and steam bath experience

Included Accessories:

All models come with heater stones included
Harvia Virta and Virta Combi both include a protective safety railing
Harvia Virta Combi is the only model with a built-in Combi steam function — delivering both traditional dry sauna heat and steam in one unit

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