Saunas are one of the most valued amenities in modern fitness facilities — and one of the most neglected when it comes to cleaning. Here's why standard protocols fail, and what proper sauna sanitation actually looks like.
The Unique Sauna Challenge
Saunas create an environment unlike any other area of your gym:
This combination makes saunas breeding grounds for bacteria, fungi, and mould — yet most cleaning companies treat them the same as any other room.
What Goes Wrong With Standard Cleaning
Generic cleaning companies typically:
The result is a sauna that looks acceptable but harbours significant hygiene risks.
Proper Sauna Sanitation Protocol
Effective sauna cleaning requires:
Temperature-Aware Timing
Cleaning when the sauna is warm (not at full operating temperature) allows products to work effectively while the heat enhances their penetration into wood surfaces.
Wood-Safe Products
Standard disinfectants can damage, discolour, or crack sauna wood. Specialised products clean and sanitise without compromising the material.
Deep Bench Treatment
Sauna benches absorb sweat over time. Periodic deep treatment penetrates the wood surface to remove embedded contamination — not just what's on top.
Drain & Ventilation Focus
The drain and ventilation system are critical to sauna hygiene. Blocked drains create standing water; poor ventilation traps moisture and encourages mould growth.
The Member Experience
Members use your sauna for health and relaxation. If they're sitting on contaminated wood in a poorly ventilated space, the health benefits are cancelled out by the hygiene risks.
A properly sanitised sauna isn't just cleaner — it's a selling point. It tells members that you care about every part of their experience, not just the main gym floor.