EFCO S5500 SSG Captured - Manual (Page 62)

EFCO CORPORATION 6/2012 PART NO. Y556 Page 62 of 81
S-5500 SSG and Captured Corner Mullion Installation Instructions
Section IX: Vertical Splice Joints
Installation for Captured System
STEP #7 APPLY PRESSSURE PLATES
A. Apply the preset gaskets to the pressure plates. Cut the gaskets flush with both ends of the
pressure plates.
B. Install the lower pressure plate starting at the sill with pressure plate screws. Locate the
screws 6” o.c. and at a maximum of 3” from the ends of the pressure plate. Torque the
screws to 80 inch-pounds (6.6 foot-pounds).
C. Apply the upper pressure plate, which overlaps the splice joint by 1 1/2”. Ensure the first
screw at the bottom of the upper pressure plate attaches to the upper mullion only. It is not
necessary to cap seal the pressure plate screws or the extra holes in the pressure plates.
Torque the screws to 80 inch-pounds (6.6 foot-pounds).
EXTERIOR GASKETS (Cut
flush with each end of
both pressure plates.)
UPPER PRESSURE
PLATE
LOWER PRESSURE
PLATE
PRESSURE
PLATE
SCREWS
GLAZING INFILL