EFCO S5500 SSG Captured - Manual (Page 63)

EFCO CORPORATION 6/2012 PART NO. Y556 Page 63 of 81
S-5500 SSG and Captured Corner Mullion Installation Instructions
Section IX: Vertical Splice Joints
Installation for Captured System
STEP #8 SEAL PRESSSURE PLATES
A. Apply backer rod into the joint between the ends of the pressure plates at the splice joint to
backup the sealant applied in step 8-B.
B. Apply sealant into the joint ensuring to thoroughly wet the ends of the pressure plates. Apply
enough sealant to provide a minimum of 1/4” sealant contact surface on the ends of the
pressure plates.
GLAZING INFILL
Apply backer rod into joint
and seal water tight.
2-PIECE CORNER
MULLION ASSEMBLY