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The outdoor wooden eaves ceiling is, the Japanese cedar by steam high-temperature heat treatment, to improve the dimensional stability of the wood, has been greatly reduced warpage, blistering. By applying a coating which applies the high durability and high-weather technology to the heat-treated wood, to reduce cracking and warping. Also, to suppress deterioration due to the external environment, the durability of about 15 years, can be expected weather resistance effect. The inner wooden eaves ceiling has same one. It will also be close to the distance between the outdoor and the inner.
SUMITOMO FORESTRY CO., LTD HOUSING HEADQUARTERS BUILDING MATERIALS PROCUREMENT & LOGISTICS DEPARTMENT
KOSHII & CO., LTD TECHNICAL DEVELOPMENT DEPARTMENT/ TENSAN CO., LTD HOUSING MATERIAL DEPARTMENT
SUMITOMO FORESTRY CO., LTD HOUSING HEADQUARTERS BUILDING MATERIALS PROCUREMENT & LOGISTICS DEPARTMENT HISAYUKI SUZUKI
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