EFCO S5500 SSG Captured - Manual (Page 58)

EFCO CORPORATION 6/2012 PART NO. Y556 Page 58 of 81
S-5500 SSG and Captured Corner Mullion Installation Instructions
Section IX: Vertical Splice Joints
Installation for Captured System
ADJACENT UPPER
FRAME ASSEMBLY
UPPER FRAME
ASSEMBLY
LOWER FRAME
ASSEMBLY
STEP #3 ALIGN AND STACK ASSEMBLED FRAMES
A. Align the pre-assembled frames, and stack together at the splice joints.
B. Position the mullions to the appropriate elevation with regard to established
benchmarks, and shim or fix the mullions at their respective dead load anchor points.
C. Install both of the upper adjacent frames before sealing the mullion splice joints.
D. Clean the splice sealant-contact areas per sealant manufacturer’s recommendations.