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EFCO S5500 Advanced User Manual

Page 28

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EFCO CORPORATION 6/2012 PART NO. Y557

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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