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PURO

 

The flow of nature and the warmth of a sauna. 

A patented structure engineered for strength, durability, and easy installation.




Patent pending PCT/FI2026/050038

SAUNA BENCH ELEMENTS

Sauna step stool

The PURO sauna step stool combines graceful design with a sturdy construction, offering a safe and comfortable solution for your sauna. Carefully designed and built from high-quality materials, it provides excellent stability and confidence with every use.

Each leg is equipped with adjustable, non-slip feet, ensuring the step stool stands firmly on all four legs even on uneven surfaces. The PURO sauna step stool is a versatile addition to your bathing spaces and can be used both as a sauna step stool and as a stand alone stool in the washing room

 

Measurements:

576 mm x 470 mm x 320 mm

(Length x depth x height)

Delivery: In parts, easy to assemble yourself.

Package size: 580 × 320 × 90 mm

Otso's Puro sauna bench collection Sauna Step Product card.
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Aspen

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Alder

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Thermo Aspen

Bench elements

Enduring comfort for modern sauna spaces. PURO bench elements combine refined design with exceptional comfort. The softly rounded front edge is gentle against the legs, ideal for longer, more relaxing sauna experiences.

Bench elements come in two in sizes.

 

 


 

The intelligent PURO bench structure is based on a wooden dowel construction. Each
board is fitted with 8 mm wooden dowels at each end, allowing the bench elements to be packed tightly for efficient transport and enabling quick and easy assembly. Each
dowel joint is engineered to carry a load of up to 150 kg, ensuring exceptional strength and long-term durability. This structure also allows the elements to be easily shortened or modified as required.
The elements are delivered flat packed.

 

Use: PURO elements are highly versatile and easily adaptable to different floor plans and design requirements. Puro bench elements, designed for use inside the sauna, can also be used in dressing areas or locker rooms to achieve a wholistic design.

Package size:
Bench element 1:    970 × 320 × 90 mm
Bench element 2:   580 x 320 x 90 mm

Otso's Puro sauna bench collection Sitting Element one Product card.
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Aspen

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Alder

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Thermo Aspen

Backrest elements

Designed for comfort, style, and functionality. Sauna backrests play an essential role in creating a comfortable and well-designed sauna. They enhance seating comfort, elevate the visual appeal of the sauna, and protect the sauna wall from dirt and wear. An LED strip can be installed behind the backrests, allowing light to shine beautifully through the gaps between the boards, creating a warm, ambient glow.

Backrest elements come in two sizes.

PURO backrest elements feature softly rounded top and bottom edges, forming a smooth and even surface. The absence of sharp corners creates a noticeably softer feel and significantly improves comfort during longer sauna sessions. Installed using separate backrest supports PURO
backrest elements are easy to remove for cleaning, making sauna maintenance effortless.
In addition to its primary use, the PURO backrest element can also be used as a cover panel between the upper and lower benches, ensuring

a cohesive and refined sauna interior.
Structure also allows the elements to be easily shortened or modified as required.

The elements are delivered flat packed.


Modifiability: The elements can be easily shortened or modified as required.

Package size:
Backrest element 1:     970 × 135 × 90 mm
Backrest element 2:    580 x 135 x 90 mm

Otso's Puro sauna bench collection Backrest Element 1 Product card
PURO-BackrestElementsTable.png
SaunaBenchMaterials.Aspen.png

Aspen

SaunaBenchMaterials.Alder.png

Alder

SaunaBenchMaterials.ThermoAspen.png

Thermo Aspen

Corner bench element 

Designing corner benches for saunas can be challenging, but the
PURO Corner Bench Element makes it effortless. It provides a
practical and elegant way to create corner seating while adding a clean, contemporary look to your sauna interior.

 

Suitable for both upper and lower benches, the PURO Corner Element is equally well suited for changing rooms where functional and stylish corner seating is required. The element connects easily to other seating components using M6 carriage bolts with nuts, ensuring a secure and seamless fit.
With PURO Corner Elements, you can effortlessly create a variety of corner solutions for both saunas and changing rooms, all while maintaining a cohesive and refined design.
The element are delivered flat packed.

Measurements:

Length: 650 mm / 650 mm
Depth: 570 mm
Hight: 100 mm

UsageThe PURO Bench Corner element makes it easy to continue seating through a corner. Elements easily connect to each with included carriage bolts.


Package size: 790 × 320 × 90 mm

Otso's Puro sauna bench collection Corner Element Product card
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Aspen

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Alder

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Thermo Aspen

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Frame unit and
Installation kit

The following are examples of what you will need to order build saunas according to these examples.
 

1. I-model PURO bench which requires:

           2 pcs Frame units

           1 pc Installation kit

2. L-model PURO bench which requires:
           3 pcs Frame units

           1 pc Installation kit

3. U-shaped PURO bench which requires:

          6 pcs Frame units

          1 pc Installation kit

Frame Unit – a simple and reliable base for sauna bench installation
 

The Frame kit offers a simple and efficient solution for installation. Designed for ease of installation and long-lasting performance, it pro-
vides a solid base for sauna bench structures.
The frame members are made from engineered wood, bonded with M1- class glue. Engineered wood ensures excellent dimensional
stability and high breaking strength, guaranteeing durability and reliability even in demanding sauna conditions

The package includes:

     2 pcs 39 x 66 x 2400 mm frame timber

     4 pcs stainless steel frame brackets

     8 pcs 5x20 mm screws

     8 pcs 6 x 50 mm Lag screws Zink covered

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Installation kit
 

If you are modifying PURO seating elements, e.g. load-bearing bench ends or installing backrest elements as an infill element between the upper and lower benches, you will need

an installation kit.
 

The installation kit includes:

      2 pcs stainless steel frame brackets

      4 pcs 5x20 mm stainless steel screws

      4 pcs 6 x 50 mm zinc-plated Lag screws

      6 pcs adjustable feet

      10 pcs nailing plates

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How to use OTSO elements

OTSO sauna elements can create sauna setting of your dreams.

Elements can create the whole sauna setting, but for example our sitting elements can also be used to create various kinds of benches and seats for your sauna or dressing room. 

OTSO bench elements can be easily modified to create various benches

and steps for a sauna or dressing room.

 

With our ready-made instructions and assembly animations, you can implement even challenging

sauna solutions.

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OTSO sauna bench element materials

Aspen

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Alder

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Thermo Aspen

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