Bunka Shutter Co.,Ltd. has added a Specified Fire Protection Equipment specification to “Cool Keeper Tosenbo”, a cold-insulating door for refrigerated and frozen warehouses. It is available in 3 types, single-leaf, leaf-and-a-half and double-leaf, to suit the conditions of the opening, and supports openings up to 2.4 m wide.
Bunka Shutter Co.,Ltd. announced on 15 October that it had added a Specified Fire Protection Equipment specification to “Cool Keeper Tosenbo”, a cold-insulating door for refrigerated and frozen warehouses. It also stated that the Specified Fire Protection Equipment specification can be installed in openings.
The Specified Fire Protection Equipment specification can be installed in openings that could not previously be accommodated, including openings in fire compartments and area compartments. To accommodate different opening conditions flexibly, the product is available in 3 types, single-leaf, leaf-and-a-half and double-leaf. The double-leaf type supports a maximum width of 2.4 m and a maximum height of 2.2 m.
Against the backdrop of changes in the global environment, the Bunka Shutter Group is pursuing product development and new businesses focused on the themes of environmental sustainability and disaster prevention. In February 2026, it began selling “Cool Keeper Tosenbo”, a cold-insulating door with high insulation performance. The latest addition expands the product lineup.