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Dimension Lumber
Domestically produced cedar and cypress wood are classified as D1 species in the durability category under JAS standards. The heartwood part of the timber is an area where components with higher decay resistance have accumulated compared to sapwood. Cedar wood is characterised by having more reddish colouration compared to imported SPF timber.
ManufacturerKyowamokuzai Co.,Ltd
Website
Published date23 Jan 2026
Product SectorConstruction product
EPD numberHUB-5079
Country Japan
Expiry date 23 Jan 2031
Product sector |
Construction product |
EPD category |
Third party verified EPD (5 years) |
Averaging type |
No averaging |
Scope |
Cradle to gate with modules C1-C4 and D |
Reference standard |
EN 15804:2012+A2:2019/AC:2021 |
PCR |
EPD Hub Core PCR 1.2 |
cPCR |
EN 16485 Round and sawn timber |
Manufacturer information
Name |
Kyowamokuzai Co.,Ltd |
Address |
Tokyo Genboku Kaikan, 5-30-13 Toyo, Koto-ku, Tokyo, Japan |
| y.kawasaki@kyowamokuzai.co.jp | |
Website |
https://kyowamokuzai.co.jp/ |
Verification details
EPD author |
Takanori Ishiguro |
Verifier |
Dusan Vukovic |
Declaration status |
Verified |
Environmental impacts
Declared unit |
1㎥ |
Mass per unit |
390.0 kg |
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