EFCO S5500 SSG Captured User Manual
Page 60

EFCO CORPORATION 6/2012
PART NO. Y556
Page 60 of 81
S-5500 SSG and Captured Corner Mullion Installation Instructions
Section IX: Vertical Splice Joints
Installation for Captured System
STEP #5 ATTACH MULLION ADAPTER AND ADAPTER SPLICE SLEEVE
A. Install the corner mullion adapter as shown in “Section V Glazing Preparation (Captured)” of
this manual. The adapter should be cut to mullion length, starting and stopping at the mullion
splice joint.
B. Apply bond breaker tape to the mullion adapter splice sleeve.
C. Attach the mullion adapter splice sleeve to the upper corner mullion adapter.
D. Apply sealant to fill the void between the corner mullion adapters and the splice sleeve.
E. Tool the joint smooth as shown in the inset detail. The gasket reglets must be free of sealant.
MULLION ADAPTER
SPLICE SLEEVE
Apply sealant to fill the void
between the adapters and
splice sleeve, and tool smooth.
BOND BREAKER
TAPE
SPLICE ATTACHMENT
SCREWS (cap seal)
ADAPTER ATTACHMENT
SCREWS (cap seal)