External Cladding – Yakisugi
If you are thinking of an original and aesthetically pleasing exterior finish to your project, Yakisugi may be a good option for you. Yakisugi, also known as shou sugi ban, is a traditional Japanese technique of charring wood to preserve it. It is typically used on exterior cladding, fencing, and other wooden structures. Here are its main advantages:
1. Durability and Longevity
- Charring the surface makes the wood more resistant to weather, pests, and rot.
- The carbonized layer acts as a natural protective barrier, reducing the risk of decay and extending the wood’s lifespan significantly.
2. Pest Resistance
The charring process makes the wood less attractive to pests like termites, which are unable to digest the carbonized layer effectively.
3. Low Maintenance
The burnt layer is relatively maintenance-free compared to untreated or painted wood. It does not require frequent reapplication of paint or sealant.
Natural weathering over time often enhances its appearance rather than detracting from it.
4. Fire Resistance
The charred layer itself is fire-resistant to a degree because it lacks the volatile organic compounds (VOCs) that typically fuel combustion.
5. Sustainability
Yakisugi uses natural processes without relying on chemical treatments or paints, making it environmentally friendly.
The technique enhances the utility of certain wood types, reducing the need to harvest hardwoods or chemically treated alternatives.
6. Unique Aesthetic
The charred surface has a distinctive and elegant appearance, with rich textures and deep colors that range from matte black to silvery
gray, depending on finishing techniques.
The aesthetic works well in modern, rustic, or traditional designs.
7. Water Resistance
Charring closes the pores of the wood, reducing its ability to absorb water and making it more resistant to swelling, warping, or cracking.
8. Natural UV Protection
The carbonized layer helps protect the underlying wood from UV damage, reducing discoloration and structural weakening from prolonged sun exposure.
9. Versatility
While traditionally used for siding, yakisugi can also be used for decking, furniture, and even artistic projects, providing the same benefits.
10. Cultural and Historical Value
Incorporating yakisugi can add a sense of cultural significance and historical respect to architectural projects, particularly those inspired by Japanese design principles.
Below: Residential side extension to a detached house in south London, using Yakisugi for the external cladding
Bottom: Residential project in Dorset, using Yakisugi for most of the exterior