New Jersey Door Work's Four-Fold Door Systems offer an unparalleled combination of long service life and low maintenance while providing high speed and high cycle operation.

Four-Fold Doors are Ideal For:

•	Fire Stations	•	Grain Elevators
•	Police Stations	•	Mass Transit Facilities
•	Detention Centers	•	Applications that require door systems designed to meet stringent operational requirements
•	Parking Facilities

Four-Fold doors are designed in standardized sizes and can also be customized for large openings and unique applications. The four-fold door panels fold completely clear of the opening and are visible by drivers during their entire operation, thereby eliminating costly damage to both the doors and vehicles.

Four-Fold Door Advantages

DURABILITY	SAFETY & SECURITY
14-gauge sheeting vertically formed around fully welded structural steel tube frames conceals welds, provides a clean finish and adds the strength to resist high wind-loads and forced entry. Heavy-duty dual shear hinges with fully concealed thrust bearings and non-removable pins are designed for strength and security. Full perimeter sealing keeps the weather out, extends product life, conserves energy and increases comfort.	A variety of standard and custom grills and louvers permit airflow and maintain security. Electric Safety Edges designed for multi-directional contact are effective during the full travel of the door providing safety for both vehicles and pedestrians. Electro-mechanical and Hydraulic operator options are all designed for high cycle, low maintenance operation and security. Sally-port/security F-Series doors include tamper-proof fasteners and heavy-duty operator enclosures for maximum protection.
PERFORMANCE	SELECTION
Door panels are manufactured 2 inches thick minimum and can utilize a variety of materials for maximum insulation and environmental resistance. The self-diagnostic DE-LoC programmable controller accepts a wide variety of inputs including card readers, remote controls and presence detectors making it very versatile. Doors are designed to clear openings at 2 feet per second, minimizing downtime and saving energy.	Doors can be outfitted with an unlimited variety of vision lite sizes and glass types to complement your facility. Doors can be sheeted with stainless steel or armor plating and can be designed to receive wood or other paneling for custom requirements.