
EFCO CORPORATION 6/2012 PART NO. Y557
28
Series 5500 Advanced & Alternate Installation Instructions
Section V: Vertical Splice Joints
STEP #4 ATTACH MULLION COVER SPLICE SLEEVES
A. Apply bond breaker tape to the mullion cover splice sleeve.
B. For standard installation, attach the mullion cover splice sleeve to the bottom of the
upper mullion with splice sleeve attachment screws. Cap seal the fastener heads.
MULLION COVER
SPLICE SLEEVE
BOND BREAKER
TAPE
SPLICE ATTACHMENT
SCREWS (cap seal)
UPPER MULLION
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