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Tikkurila Supi Black Sauna Wax (2.7 Liters) is a high-quality, water-borne wax treatment that enhances and protects interior sauna wood while introducing a bold, contemporary look. Formulated with natural wax, it penetrates deep into the surface to create a silky matte finish that feels smooth yet durable. The elegant black tone adds depth and sophistication, making it ideal for modern dark-themed saunas. Suitable for benches, walls, ceilings, doors, and window frames, this versatile product provides uniform color and protection across all interior surfaces. Its low-odor, eco-friendly formula is easy to apply and dries quickly, leaving a moisture-resistant barrier that preserves the wood’s structure and appearance through heat and humidity cycles.

  • Silky matte finish – Creates a smooth, low-gloss surface that highlights wood texture while keeping reflections minimal, ideal for calm, spa-like sauna interiors.
  • Natural wax protection – Deep-penetrating wax nourishes and seals the wood, improving resistance to moisture, sweat, and everyday wear in heated environments.
  • Multi-surface versatility – Formulated for benches, walls, ceilings, doors, and window frames so you can protect the entire sauna with one coordinated product.
  • Ready-mixed black color – Delivers an even, modern-toned finish that adds drama and contrast, perfect for contemporary dark-sauna designs.
  • Water-borne, eco-friendly formula – Easy to apply, low-odor, and durable, supporting long-lasting protection without compromising indoor air quality.
5.0
Rated 5.0 out of 5 stars
6 Reviews

Supi Black Sauna Wax 2.7 L | Tikkurila

SKU: TIK-WAXB3
Regular price $115.99
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Tikkurila Supi Black Sauna Wax (2.7 Liters) is a high-quality, water-borne wax treatment that enhances and protects interior sauna wood while introducing a bold, contemporary look. Formulated with natural wax, it penetrates deep into the surface to create a silky matte finish that feels smooth yet durable. The elegant black tone adds depth and sophistication, making it ideal for modern dark-themed saunas. Suitable for benches, walls, ceilings, doors, and window frames, this versatile product provides uniform color and protection across all interior surfaces. Its low-odor, eco-friendly formula is easy to apply and dries quickly, leaving a moisture-resistant barrier that preserves the wood’s structure and appearance through heat and humidity cycles.

  • Silky matte finish – Creates a smooth, low-gloss surface that highlights wood texture while keeping reflections minimal, ideal for calm, spa-like sauna interiors.
  • Natural wax protection – Deep-penetrating wax nourishes and seals the wood, improving resistance to moisture, sweat, and everyday wear in heated environments.
  • Multi-surface versatility – Formulated for benches, walls, ceilings, doors, and window frames so you can protect the entire sauna with one coordinated product.
  • Ready-mixed black color – Delivers an even, modern-toned finish that adds drama and contrast, perfect for contemporary dark-sauna designs.
  • Water-borne, eco-friendly formula – Easy to apply, low-odor, and durable, supporting long-lasting protection without compromising indoor air quality.
5.0
Rated 5.0 out of 5 stars
Based on 6 reviews
How would you rate the quality of this sauna accessory?Rated 5.0 on a scale of 1 to 5
How would you rate the functionality/usefulness of this accessory?Rated 5.0 on a scale of 1 to 5
How would you rate the design and style of this accessory?Rated 4.8 on a scale of 1 to 5
6 reviews
  • DS
    David S.
    Verified Buyer
    I recommend this product
    Sauna Motivation : Muscle recovery and fitness, Relaxation & stress relief
    Sauna Location : Outdoors
    Sauna Experience : First-time owner
    What do you love about this Sauna Accessory? Luxury finish, Easy to clean
    Rated 5 out of 5 stars
    7 hours ago
    Not just wax!

    Bought the 2-person sauna for my wife to replace a very old hot tub surrounded by the deck. It went together flawlessly, with great instructions and all parts well labelled. Was impressed with the quality of fitting (and I've been making fine furniture for many years). I had to switch the door from the left to the right for the situation, and there were no problems. The 2 extra rails that were provided were not needed in my case, but allowed me to make an inside step and outside finials (with copper tops). I put a cedar shake roof over the provided rolled roofing. I used the wax to seal the floors and seats, and it went on easily. The pictures show the sauna from the upper deck and from the ground. The third is the view out the window. Looking forward to the first snowfall!

    How would you rate the quality of this sauna accessory?Rated 5.0 on a scale of 1 to 5
    How would you rate the functionality/usefulness of this accessory?Rated 5.0 on a scale of 1 to 5
    How would you rate the design and style of this accessory?Rated 5.0 on a scale of 1 to 5
  • BD
    Bradley D.
    Verified Buyer
    I recommend this product
    Sauna Motivation : Relaxation & stress relief, Health & wellness benefits
    Sauna Location : Outdoors
    Sauna Experience : First-time owner
    What do you love about this Sauna Accessory? High-quality materials
    Rated 5 out of 5 stars
    1 month ago
    Great protection for a basswood bench

    My local lumber guy had a bunch of basswood sitting around. So I used that for my interior. I love that it is very light and it makes for a very cheerful sauna experience but being a lighter wood it does require some protection from staining. Supi Clear Sauna Wax is ideal. Goes on easily and is a breeze to clean up afterwards.

    How would you rate the quality of this sauna accessory?Rated 5.0 on a scale of 1 to 5
    How would you rate the functionality/usefulness of this accessory?Rated 5.0 on a scale of 1 to 5
    How would you rate the design and style of this accessory?Rated 4.0 on a scale of 1 to 5
  • JC
    Jodi C.
    Verified Buyer
    I recommend this product
    Sauna Motivation : Relaxation & stress relief, Muscle recovery and fitness, Health & wellness benefits, Longevity
    Sauna Location : Outdoors
    Sauna Experience : Long time sauna lover
    What do you love about this Sauna Accessory? High-quality materials, Perfect complement to my sauna, Luxury finish
    Rated 5 out of 5 stars
    1 month ago
    Sauna Wax

    The sauna was arrived on time and we already have applied it. It is a great product and we noticed a difference right away. Highly recommend ordering from The Sauna Place and using this particular product for your sauna!

    How would you rate the quality of this sauna accessory?Rated 5.0 on a scale of 1 to 5
    How would you rate the functionality/usefulness of this accessory?Rated 5.0 on a scale of 1 to 5
    How would you rate the design and style of this accessory?Rated 5.0 on a scale of 1 to 5
  • NS
    Nancy S.
    Verified Buyer
    I recommend this product
    Sauna Motivation : Relaxation & stress relief, Muscle recovery and fitness, Health & wellness benefits, Aesthetic or luxury addition to space, Longevity
    Sauna Location : Outdoors
    Sauna Experience : Long time sauna lover
    Rated 5 out of 5 stars
    7 months ago
    Love this wax

    This wax was perfect. My daughter and I applied it quickly. It went on great and a little goes a long way! I ordered two jugs because our sauna is 8 by 6 plus 4 by 6 changing room and we only used half of one.

    How would you rate the quality of this sauna accessory?Rated 5.0 on a scale of 1 to 5
    How would you rate the functionality/usefulness of this accessory?Rated 5.0 on a scale of 1 to 5
    How would you rate the design and style of this accessory?Rated 5.0 on a scale of 1 to 5
    TS Profile picture for The Sauna Place
    The Sauna Place
    7 months ago

    Thank you for taking the time to write a review, Nancy! We're thrilled you loved the Sauna Wax and that it went on so easily. We appreciate your business!