in floor door opener

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The following items are needed for Spec Writers to write a door and hardware specification  Building code being used Occupancy type or types Occupancy load for any rooms or areas of ass...
Auxiliary fire latch is tested only from door to door latching by Von Duprin. Some door manufacturers have tested our devices LBR and use additional fire latches to pass the fire test. Contact the ...
Neither Dor-O-Matic or LCN manufacturers a floor closer. 
 Cam Lift Hinges are specially designed hinges used mainly on acoustical door assemblies. The Cam Lift Hinge lifts the door during its travel and seats the door bottom for a pos...
Clear Opening Width for swinging doors is measured (with the door open 90 degree) from the face of door to stop soffit on strike jamb.          &nbs...
Hinge Spacing: All 4 1/2" and 5" butt hinge spacing 1. Opening heights 3'0" through 4'11 15/16" (one pair butt hinges) from under head CL 9 3/4" (top of door 9 5/8") from bottom of frame ...
Hinge Backset: On the frame = 5/16" On the door = 1/4"
Lock Spacing: All standard bored locks ANSI 115.2 (161, 61L type), for mortise lock ANSI 115.1 (86 type) all locations must be altered 3/8" lower, and standard strike (ASA type). 1. Opening ...
The minimum clear opening width for ADA is 32" measured from face of door opened to 90 degrees to face of stop on strike jamb. There must be no hardware mounted to the door projectin...
Hold Open Closers & Magnets (Fire/Life safety products) provide a wide range of solutions.  Single or multi-point hold open closers Utilize an electromechanical closer. Hold the door o...