NAT DOOR is the automatic sliding door with the air-tight function.
NAT stands for “NABCO Air-Tight ”. It is suitable for an operation room in a hospital, a studio of a broadcast station, a laboratory.
The lower packing and special sealings descend automatically to keep air-tight and soundproof when the door is fully closed.
Flat ground without groove and floor track
NAT DOOR can be fully opened to the very end without any clearance left.