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Shou Sugi Ban Wood Treatment Processes


Shou Sugi Ban is a traditional Japanese technique that enhances the durability and aesthetic appeal of wood through a careful combination of charring, brushing, and wood oil treatment. The main processes of Shou Sugi Ban wood:

1. Charring in the Chamber:

  • The process begins with carefully selected wood, typically Spruce, Pine, Larch and Accoya, although other types can also be used based on client preferences and project requirements.

  • The wood is placed inside a controlled charring chamber, ensuring the environment is carefully regulated with the aid of transporters, to achieve consistent results.

  • The wood is subjected to controlled flames, charring the surface evenly. This step is crucial for several reasons:

    • It increases the wood's resistance to pests, rots, and decay, extending its lifespan.

    • Charring brings out the natural beauty of the wood, enhancing its texture and grain while creating unique patterns and colours.

  • Careful monitoring of the level of fire exposure and duration is essential to achieve the desired level of charring without compromising the structural integrity of the wood.

Charring in the Chamber

Video 1. Conveyor and Chamber in the distance

Video 2. Boards are coming out of the Chamber

2. Brushing:

  • Once charred, the wood undergoes a meticulous brushing process to remove a charcoal layer.

  • Specialised brushing machinery is used to gently remove the surface layer, revealing the wood's natural texture and grain underneath.

  • Brushing serves multiple purposes:

    • It smoothens the surface, making it more tactile and visually appealing.

    • It removes any loose particles that may otherwise detract from the finished appearance.

  •  Brushing also helps in controlling the depth of charring, allowing for customisation based on project requirements and aesthetic preferences.

  • This step requires skilled craftsmanship to ensure uniformity and precision across the entire surface of the wood.

Brushing charcoal

Video 3. Three side brushing

Video 4. Brushed board

3. Wood Oil Treatment:

  • After brushing, the charred wood is treated with a high-quality wood oil or finish.

  • The choice of oil may vary depending on factors such as the wood species, desired finish, and environmental considerations.

  • The oil penetrates the wood's surface, nourishing and protecting it from moisture, UV damage, and other environmental factors.

  • Additionally, the oil enhances the wood's natural colour, deepening its richness and adding a subtle sheen.

  • Proper application of the wood oil is critical to ensure thorough coverage and absorption, maximising its protective and aesthetic benefits.

Wood Oil Treatment

Video 5. Board Oil treatment


  • The Shou Sugi Ban wood treatment process is a harmonious blend of tradition, craftsmanship, and innovation.

  • By carefully orchestrating the charring, brushing, and wood oil treatment stages, we transform ordinary wood into extraordinary masterpieces, prized for their beauty, durability, and sustainability.

  • As a company we are committed to upholding the highest standards of quality and excellence in every aspect of our operations, ensuring that each piece of Shou Sugi Ban wood leaving our facility surpasses expectations and delights our valued customers.

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