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Commercial Doors, Measuring for Hinge and Hardware

Measuring a Commercial Door for Hinge & Hardware Locations

  • Measure all hinge locations starting from the top of the door. Measure to the top of each hinge mortise.
  • Measure all hardware locations starting from the top of the door. Measure to the center line of each hardware cutout at the latching edge of the door.
  • All Measurements should be precisely accurate to 1/16 of an inch.
  • If your hinge locations are close but not quite accurate, double check the end of your tape measure. The ends of a tape measure tend to loosen over time. If the end of your tape measure is loose your measurements may be inaccurate. Try “burning an inch” and start your measurement from the 1” mark rather than the zero. Don’t forget to add the 1” back to the measurement your tape measure reads.
Measuring From a Commercial Door Frame
  • If you do not have an existing door and are measuring from the frame, measure in the same manner but start all measurements from the frame head. Deduct 1/8” to determine where the hinges should be located on the door. The 1/8” difference creates clearance at the top allowing the door to close without obstruction.
  • Measure all strike locations starting from the frame head. Measure to the center line of the strike prep. If you are using a standard 161 lockset deduct 1/8” to determine the center line of the lock prep of the door. If you are using an 86 mortise lockset please refer to the hardware installation instructions to confirm the offset required between the center line of the lock case and the center line of the ASA strike

Hinge Size

Hinge-SizeMeasure the height of the hinge prep. Most commercial steel doors use 4-1/2” hinges, but some may use 5” or even 4” hinges
in some applications.

Hinge Radius

Hinge-RadiusHinges are commonly used with either squared or radius corners. It is important to specify the hinge shape.
Most of the hinges used on commercial steel doors are square corner, however the hinge type used on
commercial wood doors may vary.

Net Door Size

  • Net-Door-SizeMeasure the exact door width and height to the 1/16” of an inch.
  • Check both sides of the door. Some doors are beveled meaning that one face of the door may be slightly greater in width than the other. You should indicate the net size by the larger of the two measurements.
Measuring From a Commercial Door Frame
  • Measuring-From-a-Commercial-Door-FrameMeasure the width of the door opening where the door fits into the frame.
  • Measure the height of the door opening where the door fits into the frame. Measure from the frame head to the bottom of the frame.
  • To calculate the net door panel width required, subtract ¼” from the dooropening width. Most commercial doors and frames require 1/8” of clearance at the head and at each edge upright leg. This allows the door to close without obstruction.
  • To calculate net door panel height subtract 1/8” from the door opening height, then subtract the undercut you need at the bottom. The undercut allows the door to close without obstruction and allows space for thresholds or flooring. Most commercial steel doors include a ¾” undercut. Commercial wood doors vary by application

Commercial Door Handing:

measurement-Commercial-Door-Handing

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Contact us today to work with a dedicated account manager. Your account manager can process orders, provide written quotes, assist with product selection, offer competitive discounts and guarantee the lowest possible prices on high quality commercial door products. If you would like to speak with someone now feel free to give us a call. For quality control reasons our site does not offer online ordering. Working with a dedicated account manager will ensure not only the lowest prices but the highest level of customer satisfaction and order accuracy
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