The location to the top of hinge will vary depending on hinge size used.
6'8" Frame with 1 1/2 pair of hinges (top to top):
For 4 1/2" hinges from the head to top of each hinge is 7 1/2", 37 7...
From head to centerline of each hinge (4 1/2" or 5") is 9 3/4", 39 3/64", 68 11/32" & 97 41/64".
The hinge spacing on a 9'0" frame opening height is 29 19/64".
From Head to top of each 4 1/2" hinge is 7 1/2", 36 51/64", 66 3/32" & 95 25/64".
From Head to top of each 5" hinge is 7 1/4", 36 35/64", 65 27/32" & 95 9/64".
Yes, an additional jamb anchor can be used at the bottom of the frame in lieu of the typical (adjustable or weld-in) base anchor in fire rated frames.
This is limited to the anchor designed for...
Steelcraft locates all butt hinges from the top of the door to the centerline of each hinge as standard practice:
Locating hinges to the center line of the hinge keeps all hinge locations the sa...
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 ...