EFCO S5500 SSG Captured - Manual (Page 50)

EFCO CORPORATION 6/2012 PART NO. Y556 Page 50 of 81
S-5500 SSG and Captured Corner Mullion Installation Instructions
Section VIII: Exterior Cover & Drive-In Gasket
Installation for Captured System
STEP #3 APPLY CORNER MULLION PRESSURE PLATE
A. Remove any temporary glazing retainers that were installed at the corner mullion
during previous steps.
B. Seal all holes in the corner mullion where the temporary glazing retainers were
installed with sealant.
C. Apply the preset gaskets to the corner mullion pressure plate. The gaskets should
run continuously, the full length of the pressure plate.
D. Apply sealant to the face of the joint plugs and the exposed ends of the horizontals
at the intermediate horizontals.
E. Apply sealant to the ends of the pressure plate and to the surfaces of the head and
seal pressure covers where they will contact the pressure plate.
Apply sealant on the face
of the joint plug and on the
exposed ends of the horiz.
Apply sealant on the
contact surfaces at the
head and sill covers.
Apply sealant to the ends of
the pressure plate.
CORNER MULLION
PRESSURE PLATE
PRESSURE
PLATE SCREWS