How to Build a Sauna Floor

Building or upgrading a real Finnish sauna in the US and need the actual gear? All the heaters, stones, controls, and safety parts I recommend are here:
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In this video, I’ll show you how to build a sauna floor step by step—whether you want a tiled sauna floor or a wooden sauna floor. We’ll cover everything from foundation and insulation to proper drainage, waterproofing, and long-term floor maintenance.

🔹 What you’ll learn in this video:

Why foundations and capillary breaks matter for sauna floors

How and when to insulate a sauna floor

Building a tiled sauna floor with concrete, slope, drain, and waterproofing

Building a wooden sauna floor with support beams, tongue & groove boards, and proper ventilation

How to protect your sauna floor with treatments and cleaning routines

Whether you’re planning an indoor sauna or outdoor sauna, this guide will help you understand the best flooring options and how to make your sauna last for years.
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