How to build a sauna – Complete guide

Building a sauna is a rewarding project that adds comfort, relaxation and value to your property. With the right planning and materials, you can create a sauna that delivers a premium wellness experience for years to come.

In this sauna building guide, you’ll find all the essential information you need to design and build a sauna that meets both functional and aesthetic requirements. The guide covers:

• How to choose the best location for your sauna

• Proper insulation and air circulation

• Wall and ceiling construction with air gaps

• Materials suitable for sauna walls and floors

• Placement of sauna heater, door, benches and glass sections

• How to calculate heater power based on room volume and materials

Ready to build your dream sauna? 

View the full Sauna building PDF guide here.

To help you even further, we’ve created a step-by-step sauna construction video showing the building process, from structure to final details. You can watch the How to build a sauna video here. 

Let our 75+ years of sauna innovation guide your journey. With Tylö, you’re not just building a sauna – you’re creating a sanctuary for wellbeing.