Japanese Cedar (Sugi) with Shou Sugi Ban finish
Cryptomeria japonica · Softwood
- Type
- Softwood
- Origin
- Native to Japan (endemic), also widely cultivated in China and the Azores.
- Hardness
- 320 lbf (Very Soft)
- Durability
- Durable to Very Durable; the Shou Sugi Ban charring process further enhances resistance to decay, water, insects, and UV degradation.
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Grain Pattern
Straight, coarse grain with prominent cathedral figures in flat-sawn sections; features distinct growth rings with a high contrast between earlywood and latewood.
Color & Appearance
Naturally light yellowish-brown heartwood, here modified via carbonization (charring) to a deep charcoal or near-black color. High points of the grain remain a lighter amber-brown, providing a high-contrast aesthetic.
Hardness (Janka)
320 lbf (Very Soft)
Durability & Decay Resistance
Durable to Very Durable; the Shou Sugi Ban charring process further enhances resistance to decay, water, insects, and UV degradation.
Value & Sustainability
- Estimated Market Value
- $8.00 - $15.00 per board foot (depending on the depth of charring and manufacturing process).
- Wood Age Estimate
- Modern processing; the charred surface appears newly applied (0-5 years) for contemporary architectural use.
- Sustainability Status
- Generally sustainable and widely available; not listed on CITES or IUCN Red List as endangered; frequent FSC availability.
Common Uses
Exterior siding/cladding, wall paneling, fencing, decorative interior accents, and modern furniture design.
Geographic Origin
Native to Japan (endemic), also widely cultivated in China and the Azores.
Workability
Very easy to work with hand and machine tools due to low density. However, it is prone to denting because of its softness. The charred surface can be brittle and messy (soot) until properly sealed.
Finish Recommendations
Penetrating natural oils (such as Tung or Linseed oil) are recommended to seal the charred layer and prevent soot transfer while maintaining the matte texture.
Notable Features
Distinctive spicy/cedar scent when cut; unique fire-resistance and pest-deterrence properties gained through the carbonization process; lightweight.
