EFCO 433 Series - Manual (Page 72)

June 2012 PART NO. Y017 Page 72 of 90
Series 433 Triple Set Installation Instructions
SECTION VIII: Installation
(Includes Offset and Center-Set Glazing)
Step 10) Anchoring the Second Ladder
After the mullion halves are snapped correctly, ensure that the mullions are plumb and
true and anchor the head as shown in Figure 38 on page 64. If this is the last ladder in
a run, ensure that the mullion halves are snapped correctly and install the required
shims between the jamb and condition. Install the head and jamb anchors. Ensure
that the jamb anchors do not separate the last ladder from the previous. It may be
necessary to shim tightly against the condition to prevent this.
Step 11) Perimeter Seal
When the unit is installed and anchored, begin placing caulk rope into the gap between
the perimeter and the frame. Apply a generous amount of silicone type sealant to the
gap between the frame and rough opening. Tool off all excess sealant to ensure a
good seal and to achieve an appropriate appearance. See Figures 64 through 68
below.
4 ½” HEADS
SIMILAR
8356
8359 8361
LB90
LB77
8372
8366
[FIG. 64]
[FIG. 65]
[FIG. 66]
[FIG. 67] [FIG. 68]
8359 SYM.
LB77
8363 SHOWN
8393 SIMILAR