EFCO S5500 SSG User Manual
Page 28
EFCO CORPORATION 6/2012
PART NO. Y554
Series 5500 Silicone Structural Glazed Curtain Wall Installation Instructions
Section IV: Glazing Preparation
STEP #3 PREPARE FRAME FOR GLAZING
A. Seal the frame joints at the SSG vertical and captured head and sill intersections. Seal
the 1/4” joint at the glazing pocket. The joint must be sealed from the top all the way
around to the bottom of the glazing pocket, completely filling the joint void.
B. Tool off excess sealant from exposed areas and in areas that would interfere with in-
stalling the horizontal pressure cover.
1/4” FRAME
JOINT
Seal all around the
joint, filling the void
completely.
CAPTURED SILL
MULLION
FILLERS
SSG EXPANSION
MULLION
Note: Joint plugs are not
used in applications where
captured horizontals are
used with SSG verticals. The
horizontals must be fabri-
cated as shown below. Refer
to the tooling drawings for
more information.
Clear any sealant that ob-
structs the reglet for pres-
sure cover engagement.
CAPTURED SILL AT SSG VERTICAL
INTERSECTION