How to Clean Sauna Benches Safely and Effectively

Sauna benches endure heat, humidity, and sweat, which can lead to mildew, odors, and staining if not maintained. This guide explains practical, wood-safe methods to clean cedar sauna benches while preserving the wood’s integrity and aroma. Readers will learn proven steps, recommended tools, and common pitfalls to avoid for a healthier sauna environment.

The care routine centers on using gentle, wood-safe cleaners and effective scrubbing tools to remove grime without damaging the bench surface. A regular cleaning schedule helps extend bench life and maintain a pleasant sauna experience.

Quick Answer

Use a cedar-safe cleaner or steam cleaning approach followed by a thorough rinse and dry. For stubborn mildew, a wood-safe mildew remover can be applied, then scrubbed with a stiff nylon-bristle brush and wiped clean. Always air-dry benches completely after cleaning to prevent moisture buildup.

What You’ll Need

CEDAR SAUNA WOOD CLEANER SPRAY MILDEW REMOVER WOOD-SAFE
STEAM CLEANER FOR SAUNA BENCHES WOOD-SAFE
SAUNA BENCH CLEANING BRUSH STIFF NYLON BRISTLES
Soft, lint-free cloths
Water and mild soap (optional, for rinsing)
Ventilation options to dry the area

	Northwood Sauna – Sauna Cleaner – Natural Wood Cleaner & Deodorizer – Ready-to-Use Spray – 1 Quart (32 Fl Oz)
	KONEX Nylon Fiber Economy Utility Cleaning Hand Brush \| Heavy Duty Hand-Held Scrub Brush Stiff Bristles \| Wooden Body, Ideal Scrub Brushes for Cleaning (Peanut Shaped)

Before You Start

Clear the surrounding area and ensure the sauna bench area is accessible from all sides. Protect any nearby surfaces with towels or sheets. Wear gloves and ensure good ventilation during cleaning. Time estimates vary: basic wipe-downs take about 15 minutes, while deep clean sessions can require 30–60 minutes including drying time.

Step-By-Step: How To Clean Sauna Benches

Power off the sauna and allow the benches to cool if recently used; never clean while hot surfaces are energized.
Dust the benches with a dry cloth to remove loose debris and sweat residues.
Apply a cedar-safe cleaner spray designed for wood and mildew control, following label directions. Avoid over-saturation to protect the wood grain.
Let the cleaner sit for the recommended contact time, typically a few minutes, to break down oils and mildew.
Scrub the surface with a SAUNA BENCH CLEANING BRUSH STIFF NYLON BRISTLES using long, even strokes along the grain.
For stubborn stains or mildew, use a wood-safe mildew remover as directed, then re-scrub and rinse with a damp cloth or steam cleaner if appropriate for the product.
Rinse the benches with clean water or a damp cloth to remove any cleaner residue. Do not leave a film on the wood.
Dry the benches thoroughly with a dry cloth, then allow full air-drying with the door open or a fan running to promote moisture loss.
Inspect for remaining spots; repeat steps on any persistent areas, ensuring complete drying afterward.
Reassemble any moved accessories and return the sauna to normal use only once surfaces are completely dry.
Schedule regular cleanings, especially after periods of heavy sauna use or high humidity, to prevent mildew recurrence.
Store cleaners and brushes out of direct sun and heat to maintain their effectiveness and lifespan.

Troubleshooting

Symptom	Likely Cause	Fix	Prevention
Streaks or color changes	Residual cleaner or mineral deposits	Rinse thoroughly; wipe with a damp cloth and dry completely	Apply cleaners evenly; avoid pooling
Persistent mildew odor	Deep-seated mildew inside wood	Use a wood-safe mildew remover per label and repeat cleaning	Ventilate well; dry benches after each use
Bleached or faded wood	Overexposure to cleaners or sunlight	Use milder concentrations; limit contact time	Limit sun exposure; maintain wood seal integrity
Rough surface after cleaning	Residual cleaner or grit	Thorough rinse; gentle brushing with nylon bristles	Rinse and dry completely after each cleaning

Common Mistakes

Using aggressive household cleaners not designed for wood or cedar finishes
Over-wetting benches or leaving moisture trapped between slats
Using metal brushes that can scratch or gouge the wood
Skipping drying time, which invites mildew growth

Avoid these missteps to protect the wood’s aroma and structural integrity.

Tips For Best Results

Clean on a regular schedule, such as after every few sauna sessions or weekly for heavy users.
Test any cleaner on a small, hidden area of the bench first to verify color and finish compatibility.
Use a steam cleaner for a deeper clean when appropriate; ensure the appliance can be used on wood safely and follow the manufacturer’s guidance.
Pair cleaning with light maintenance: sand rough patches lightly and apply a cedar-safe wood conditioner if recommended for your wood type.
Keep humidity levels moderate in the sauna room to reduce mildew risk between cleanings.

Call A Professional

Consider a professional if benches show extensive mildew, extensive cracking, or if the cedar finish appears compromised after cleaning attempts. Stop cleaning and seek expert help if you notice persistent odors, warped boards, or visible mold growth beyond surface areas.

FAQ

What cleaner is best for cedar sauna benches?

Choose a cedar-safe wood cleaner designed to remove mildew and grime while protecting wood fibers.

Can I use a steam cleaner on cedar benches?

Yes, if the steam cleaner is labeled wood-safe and suitable for sauna use; follow device instructions carefully.

How often should I clean sauna benches?

For active users, perform a deep clean weekly or biweekly and a quick wipe-down after each use to maintain cleanliness.

What should I do about mildew on benches?

Apply a wood-safe mildew remover as directed, scrub with a stiff nylon-bristle brush, rinse, and dry thoroughly.

Is it okay to repaint cedar benches after cleaning?

Repainting is generally not necessary for cedar sauna benches; surface cleaning and light conditioning preserve appearance and aroma.

How can I prevent future mildew?

Improve ventilation, wipe benches dry after sessions, and clean regularly with a wood-safe solution to limit moisture buildup.

Buying Guide

When selecting cleaning supplies for sauna benches, consider size, compatibility with cedar, and ease of use. Look for products labeled wood-safe and specifically designed for mildew control. Compare options for aroma, residue, and drying time. For tools, choose a stiff nylon-bristle brush that won’t scratch cedar and a steam cleaner that has a wood-safe setting. Availability of a dedicated cedar sauna cleaner spray can streamline maintenance, especially for removing mildew and oil stains. Place cleaners in a cool, dry cabinet away from heat sources to preserve effectiveness. If multiple benches exist, assess whether the tools and cleaners can cover larger surface areas efficiently and safely. A well-chosen combination of cleaner spray, steam cleaning option, and a robust scrub brush can simplify routine upkeep and extend bench life, keeping the sauna inviting and hygienic. Would you prefer a minimal, once-a-week routine or a thorough monthly deep clean? A practical plan may combine both approaches for best results.