●It is a type for the quality of wood plywood. It is the inspection door of the type to use the flooring which I clipped out on a cover.
●It is the airtight insulation performance (3-5 area) corresponding to the next-generation energy-saving standard.
●The airtight performance is Skyhawk class equivalency of JIS A4706.
●I improve indoor air-conditioning efficiency.
●Application floor materials thickness: 15(mm)
●It is for check of wiring, the plumbing under the floor, the floor lower space
●Traditional method of construction use
●Floor clipping dimensions (mm): 515
●Cover materials cutting dimensions (mm): 492
●Frame materials: Aluminum (A6063S-T5) convertible collar
●A cover reinforcing structure: