COOL WOOD®(Certified by the Minister of Land, Infrastructure, Transport and Tourism, Japan) is the fireproof structural wood member developed and patented by our company. It covers the wood in the core with gypsum board; the gypsum board is subsequently covered with an extra layer of wood. Production of COOL WOOD is straightforward and it has a low cost. By concealing the fire-resistant members with decorative wood, the appearance of the wood is not compromised. [Specifications] ・One-hour fireproof structural specification : Column ・The cross-sectional dimensions of internal load bearing material wood (mm) 120×120～1,080×1,080 ・The intermediary fire stoppage layer material GB-F (V) 21mm x 2pcs. ・The surface material wood, 20 mm min. ・Patented in Japan, Canada and Switzerland [Features] ・All tree species can be chosen for the surface layer ・JAS(Japanese Agricultural Standards)-certified materials, incombustible, quasi-incombustible, flame-retardant treated lumber can also be used ・Easy to process (can be manufactured in easily obtainable materials and special tools are unnecessary)