what are half surface hinges

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Doors require special downsizing for continuous hinges. The amount of downsizing depends on the hinge specified (manufacturer and type) and the hinge application (Full Mortise versus Full Surface v...
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 GCS (Glass Cutting Size) is determined by adding 1 1/4" to EGS (Exposed Glass Size) to both the height and width dimensions. Ex: EGS = 20" w. x 30" h. GCS = 21 1/4" wide x 31 1/4" high St...
Hinge, hardware; full mortise, surface, half mortise, half surface, electric, heavy weight, standard weight
Push Side Surface Mount Senior Swing can be used with swing clear hinges, standard templating. Pull Side Surface Mount Senior Swing cannot be used, the pull arm will hit the back of door at approxi...