YCW 750 OGP Curtain Wall System
Page-8
04-4031-15 | E
ff
ective Date: March 26, 2021
FRAME FABRICATION
7/8”
7/8”
Notch Top and
Bottom of Vertical
& Jamb Mullions
Step 1
-Cut all vertical and jamb mullions to dimensions as shown on shop drawings.
Allow for 1/2” caulk joint around the frame & 1/2” joint at vertical splices.
Note:
Mullions at door jambs are sealed against the substrate at the sill without a shim space at
that location.
Step 2
-When using continuous perimeter anchors, E9-1223 or E9-1231, the top and bottom
of vertical and jamb mullions must be notched as shown in
Detail 1
, and sealed as shown
on
Page 22.
Note:
Do not notch verticals when using mullion end anchors: “J”, “T” or “F”.
Detail 1
FABRICATE VERTICAL MULLIONS
For Vertical & Jamb Mullions with
Perimeter Anchors Only
