EFCO S5500 SSG Captured User Manual
Page 7

EFCO CORPORATION 6/2012
PART NO. Y556
Page 7 of 81
S-5500 SSG and Captured Corner Mullion Installation Instructions
Section II: Frame Unit Assembly & Frame Sealing
Captured System
90 DEGREE CAPTURED
CORNER AT HEAD
Note: Sealant must be applied to the ends of
each horizontal member before assembly.
Frame assembly screws
1/4” –14 x 1 1/2”
HWSMS 18-8 Typical
HEAD
Mitered end
of head
CORNER
MULLION HALF
CORNER
MULLION HALF
Apply sealant to the ends of
the horizontals as shown.
Apply sealant between the
thermal struts as shown, and
tool smooth.
HEAD
After each frame unit
assembly is complete,
wipe off all excess
sealant and allow the
frame unit to cure.
Refer to “Section II: Frame
Unit Assembly &
Frame
Sealing” of the Series 5500
Outside Glazed or Inside
Glazed Installation
Instructions for additional
information.