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Tikkurila
Tikkurila Supi Sauna Interior Wax 0.9L
€36.99 incl. VAT
Tikkurila
Tikkurila Supi Sauna Interior Wax 0.9L
Semi-matt natural wax treatment for wooden sauna surfaces. Available in clear, black, white and grey. Supi Sauna Wax is a treatment for all wooden surfaces in the sauna steam room. It is also suitable for treating sauna benches, panelled walls...
€36.99 incl. VAT
Tikkurila
Tikkurila Supi Saunasuoja Interior Stain
from €23.99 incl. VAT
Tikkurila
Tikkurila Supi Saunasuoja Interior Stain
Enhance and protect your sauna with Tikkurila Supi Sauna Interior Finish, a top-quality anti-mould, water-based lacquer specifically designed for wooden and concrete sauna surfaces. This advanced formula provides superior water and dirt-repellent properties, ensuring a durable and clean environment in...
from €23.99 incl. VAT

Sauna Wood Oils & Waxes – Protect and Preserve Your Sauna Interior

Heat, steam, and humidity demand more than standard finishes — they require products made specifically for sauna interiors. At Paintlab, we offer a curated selection of sauna wood oil and waxes designed to protect, seal, and enhance wooden surfaces exposed to extreme conditions. Whether you’re treating new timber or maintaining an existing finish, our solutions deliver long-lasting performance and a natural, clean look. Wood exposed to high temperatures must be protected with specialised coatings. Proper maintenance extends the lifespan of natural materials in any thermal environment.

Interior Sauna Wood Protection – Natural, Breathable, Effective

Maintaining your sauna means choosing the right products for wood treatment. Our range includes high-quality oil for sauna wood and finishing waxes developed to penetrate deeply into the grain while allowing the surface to breathe — critical for managing heat and moisture inside the cabin. Balanced indoor conditions reduce the likelihood of structural issues. Choosing breathable finishes can improve comfort and hygiene.

These coatings don’t just add a beautiful finish — they act as a moisture barrier, reducing the risk of cracking, discoloration, and bacterial growth. With excellent hygroscopic properties, they also help maintain a stable and safe sauna environment over time. Natural oils and waxes provide subtle aesthetic benefits in addition to protection. Maintenance routines can be adjusted depending on usage frequency.

Oils & Waxes for Every Sauna Project

Explore professional-grade sauna wood treatment oil and waxes that combine durability with ease of application:

Each formula is carefully tested to meet environmental stress factors. We prioritise safe use across both residential and commercial spaces.

  • Tikkurila Supi Sauna Interior Finish – A transparent coating ideal for sealing walls, ceilings, and wooden benches. The breathable formula allows water vapour to pass through without damaging the wood. This clear finish enhances the natural appearance of timber. Its fast-drying nature makes it ideal even in smaller treatment sessions.
  • Tikkurila Supi Sauna Interior Wax 0.9L – Rich in natural wax, this product enhances tone and texture while offering excellent resistance to moisture and heat.

Both options are designed for use on untreated or previously oiled interior sauna wood surfaces.

They are especially useful on spruce or alder due to their absorbent structure. Minimal odour during application ensures better comfort indoors.

Why Choose Our Sauna Oils and Waxes?

We focus on combining durability with ease of use. All options are backed by technical data and clear instructions.

Paintlab stocks high-performance products developed specifically for the sauna environment:

  • Interior-grade formulas with excellent adhesion and heat tolerance
  • Low-odour, natural finish suitable for both home and commercial saunas
  • Efficient application with brush or cloth – dries fast and leaves no residue
  • Designed to work on spruce, pine, and other common timber types

Whether you're applying a fresh wood sealer or maintaining an existing wax finish, our selection meets every requirement for lasting quality. It’s important to follow surface preparation steps before coating. This helps ensure full product absorption and even coverage.

Looking for complementary wood treatments beyond sauna use? Visit our full Woodcare Collection for oils, stains, and protective solutions for other timber applications.

That collection includes products suitable for panelling, cladding, and decks. You can easily find matching solutions across multiple uses.

Shop Sauna Wood Treatment in Ireland – Fast, Easy, Trusted

Browse our collection of sauna oils and waxes online at Paintlab.ie. We make it simple to protect your space with:
Ordering online is quick and secure. Our support team is always ready to answer technical product questions.

  • Quality products for heat and moisture resistance
  • Clear product descriptions for easy decision-making
  • Fast delivery across Ireland and Europe

Whether you're building a new cabin or restoring a well-loved one, our sauna wood wax and oils give you professional results at home.
These treatments are ideal for preserving aesthetics and surface integrity. Consistent care ensures a comfortable and relaxing experience.

Frequently Asked Questions

Can I use regular wood oil instead of sauna wood oil?

No. Regular wood oils are not designed to withstand the high heat and moisture levels inside a sauna. A specialised sauna wood oil is formulated for safe use in high-temperature environments and allows the wood to breathe.

What’s the difference between sauna wood wax and sauna wood treatment oil?

Sauna wood wax provides a slightly more polished finish with added water repellency, while treatment oil penetrates deeper and enhances the natural texture of the wood. Both are suitable for interiors, but the choice depends on the desired final look and function.

Is it necessary to seal all interior wood surfaces in a sauna?

Yes, especially surfaces exposed to steam and skin contact. Using sauna wood oil interior products ensures hygienic conditions and prevents moisture damage or staining on untreated wood.

How often should I reapply waxes or oil for sauna wood?

It depends on usage, but typically once a year is recommended. High-traffic saunas may need oil or wax reapplication every 6–9 months to maintain protection and appearance.

Can I apply sauna wood oil or wax over an existing finish?

It’s best to apply to clean, bare wood. If a previous coating exists, you may need to sand it down before applying new waxes oil for wood treatment to ensure absorption and bonding.

Are sauna wood oils safe for benches and skin contact areas?

Yes — both Tikkurila Supi Sauna Interior Wax and Supi Saunasuoja Oil are safe for benches and high-contact zones when fully cured. Always follow the product's application and drying instructions.

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