YCW 750 OGP Curtain Wall System
E
ff
ective Date: March 26, 2021 | 04-4031-15
Page-17
FRAME FABRICATION
Edge
of
V
e
rtical
Mullion
Edge
of
V
e
rtical
Mullion
1/3 Points of
Cover Length
Cover Length
1/3 Points of
Cover Length = Daylight Opening (D.L.O.) – 1/16”
Daylight Opening (D.L.O.)
1/32”
1/32”
5/16”
1-3/4”
C
L
C
L
E9-1206
Face
0.188” Dia.
Hole
Cover
0.313” Dia.
Weep Hole
5/16”
STEP 9
FABRICATE FACE COVERS
Horizontal Face Covers:
-Cut horizontal face covers to the daylight opening between verticals minus(–) 1/16”.
-Drill two 0.313” diameter weep holes at 1/3 points of cover as shown below.
See
Detail 13
.
Vertical Face Covers:
-Cut vertical face covers to the same length as the vertical mullions
unless the verticals are spliced.
-If vertical mullions are spliced, cut vertical covers to accommodate
for the 1/2” expansion joint as shown in
Step 10
.
-Drill (1) 0.188” dia. hole in the bottom of each vertical cover as
shown.
Detail 13
Vertical Pressure Plates:
-Cut vertical and jamb pressure plates and thermal isolators to the same length as the vertical
mullions.
-If vertical mullions are spliced, cut pressure plates to accommodate for 1/2” expansion joint as
shown in
Step 10
on
Pages 17 & 18
. Apply and tool sealant into the hollows of both pressure
plates at the splice joint.
-Drill additional attachment holes if required to ensure that end holes are within 1-1/2” of each
end.
