height from fllor up

RELATED FAQS

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According to ANSI specifications for cylindrical or mortise locks: The lock strike centerline should be 40 5/16" from the bottom of the frame with the lock in relation to the strike. &...
To determine Actual Door Size, the following values are subtracted from nominal door size (frame opening/order size) Actual Door Size: The largest measured width by height of the door leaf as m...
Required top and bottom rod adjustment. Top rod possibly is adjusted too short and not lifting the rod far enough to engage the latch retention which would cause bottom rod to drag floor ...
Neither Dor-O-Matic or LCN manufacturers a floor closer. 
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 ...