Because of its all-encompassing design value, the Bi-Parting Northern is the most common Universal Door System supplied by Norco. With this system, no portion of the bottom rails are exposed to the elements when the hangar doors are closed. This makes it a perfect choice in areas where inclement weather is a fact of life. The door panels are securely controlled from inside and also stack on the interior of the building.


The Bi-Parting Southern offers both cost and space benefits and is usually used in climates where snow and ice are not a concern. Because these large rolling doors stack on the outside of the building, storage space does not have to be allocated inside. There is no need for door pockets and the panels are still controlled from inside the building. These doors work great for retrofitting on existing buildings that do not have door pockets or other interior space for the Bi-Parting Northern doors.

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