Terms Used in our Industry:
• Anchoring Plate – This “L” shaped bracket makes the connection between track and wall.
• Brackets – A steel structure in the shape of an L .
• Chain Hoist – Adds mechanical advantage to manually operated door .
• Clearances – The amount of side room, head and back room required .
• Decorative Hardware – Decorative accessories .
• Door Movement – There are 4 basic types of movement: standard lift, high lift, full vertical lift and low headroom.
• Door Opener – A motorized device for opening and closing a garage door .
• Double Door – Commonly used to refer to larger width doors usually on multi-car garages.
• Extension Springs – Counterbalanced springs which provide lifting power by stretching .
• Galvanizing – Zinc coating to protect steel against corrosion .
• Hinges – To make the independent sections act as a complete door, the sections must be hinged together.
• Inside Lock – Spring loaded, sliding deadbolt lock operable only from interior of the door.
• Insulation – Material having the ability to reduce heat or cold transmission .
• Jackshaft Operator – Electric operator which mounts on the wall or ceiling and directly drives the torsion spring shaft.
• Operation Cycle – One complete cycle of a door begins with the door in the closed position.
• Overlay – Decorative PVC molding permanently fused to the door surface in the factory.
• Rails – The horizontal members of the door’s framework.
• Reinforcement Struts – 2.25’’ or 3’’ steel channel (depending on the width of the door) Used for strengthening.
• Rollers – Steel or Nylon ball-bearing wheels
• R-Value – Ability of a material to retard the transmission of heat or cold.
• Sideroom – A horizontal measurement from each side of the door opening.
• Single Door – Commonly refers to smaller width doors.
• Torsion Springs – This spring system, while slightly more complex, performs counter-balancing function of the sectional door hardware.
• Track – Garage door tracks usually consist of 4 pieces.
• Vertical Lift – A hardware design that allows a sectional door to open vertically.
• Weather-strip – A narrow strip of material to cover the joints of a door.
• Wind Load – The amount of force that the wind exerts.