EFCO S5500 SSG Captured - Manual (Page 31)

EFCO CORPORATION 6/2012 PART NO. Y556 Page 31 of 81
S-5500 SSG and Captured Corner Mullion Installation Instructions
Section V: Glazing Preparation (Captured)
STEP #3 APPLY THERMAL ISOLATORS AND JOINT PLUGS
A. Apply thermal isolators in the tongues of the corner mullion glazing adapter. The
isolator should run the full length of the adapter.
B. Seal the top end of the corner mullion glazing adapter to the mullion.
C. Apply sealant to the horizontal joint plugs and to the adapter where they come into
contact with each other as shown in the illustration below.
D. Set the joint plugs into the space between the tongue of the adapter and the head as
shown.
E. Tool the sealant smooth across the surface of the joint plug and on to the adapter as
shown on page 32.
HEAD AT CAPTURED CORNER
Apply sealant to the horizontal
joint plugs and to the adapter
where they come into contact
with each other.
THERMAL
ISOLATOR
JOINT
PLUG
THERMAL
ISOLATOR
JOINT
PLUG
CORNER
MULLIONS
CORNER MULLION
ADAPTER
Seal the end of the corner
mullion glazing adapter to
the corner mullion.
CAPTURED
HEAD