what is leaf

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Door, Single Door
The 4040SE uses the regular arm for any Push Side mounting (minimum 28" door width). ST-2788 (a special arm and track) can be used to mount a 4040SE on the Push Side of a smaller (narrow) door. Sm...
Von Duprin 6223 electric strike is the most common closed back strike or the 6221 for open back strike on inactive leaf that can be used with Schlage L9000 or Von Duprin 7500 mortise lock.
The standard gap between a pair of doors will be 3/16" when used with a Steelcraft  "Z" astragal. If a wide inactive leaf is requested (no astragal) the gap between the doors will be...
Yes, an automatic operator can be installed on a Dutch door. The operator must be installed on the top leaf of the Dutch door. Only the top half will open unless the top and bottom leaves (se...
 Pneumatic Automatic Operators are used in areas where electrically operated devices are not convenient or permitted.  Consists of a modified, heavy-duty door closer for manual oper...
14" door leaf is the narrowest with standard template.